{"id":3605,"date":"2026-08-24T15:57:04","date_gmt":"2026-08-24T07:57:04","guid":{"rendered":"https:\/\/www.c-adtech.com\/?p=3605"},"modified":"2026-08-24T15:57:04","modified_gmt":"2026-08-24T07:57:04","slug":"40-ppi-ceramic-foam-filter","status":"publish","type":"post","link":"https:\/\/www.c-adtech.com\/ar\/40-ppi-ceramic-foam-filter\/","title":{"rendered":"\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u064a \u062e\u0632\u0641\u064a \u0628\u062f\u0642\u0629 40 \u0646\u0642\u0637\u0629 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629"},"content":{"rendered":"

40 \u0646\u0642\u0637\u0629 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629 \u0641\u0644\u062a\u0631 \u0631\u063a\u0648\u0629 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643<\/a> removes non-metallic inclusions from molten aluminum and other non-ferrous alloys by forcing melt through a network of interconnected pores measuring roughly 0.6mm to 0.8mm in diameter. We’ve worked with foundries across multiple continents, and this specific porosity grade sits at the sweet spot for aluminum sand casting and low-pressure die casting where medium-fine filtration is required without excessive flow restriction. If you’re sourcing filters for wheel production, engine blocks, or structural automotive components, the 40 PPI grade typically delivers the best balance between inclusion capture rate and casting yield.<\/p>\n

\u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u0634\u0631\u0648\u0639\u0643 \u064a\u062a\u0637\u0644\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0634\u062d \u0631\u063a\u0648\u064a \u062e\u0632\u0641\u064a \u0628\u062f\u0642\u0629 40 \u0646\u0642\u0637\u0629 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629\u060c \u0641\u064a\u0645\u0643\u0646\u0643 \u0627\u062a\u0635\u0644 \u0628\u0646\u0627<\/a>\u00a0\u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0645\u062c\u0627\u0646\u064a.<\/span><\/p>\n

\u0645\u0627 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0641\u0639\u0644\u064a\u064b\u0651\u0627 \u0628\u0645\u0635\u0637\u0644\u062d PPI \u0641\u064a \u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u062e\u0632\u0641\u064a\u0629\u061f<\/h2>\n

\u064a\u064f\u0642\u0635\u062f \u0628\u0640 \u00abPPI\u00bb \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u0627\u0645 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629 \u0627\u0644\u0637\u0648\u0644\u064a\u0629\u060c \u0648\u0647\u0648 \u0645\u0642\u064a\u0627\u0633 \u0645\u0633\u062a\u0645\u062f \u0645\u0646 \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0634\u0628\u0643\u064a\u0629\u060c \u0648\u0630\u0644\u0643 \u0639\u0646\u062f\u0645\u0627 \u062a\u0645 \u062a\u0643\u064a\u064a\u0641 \u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0644\u0623\u0648\u0644 \u0645\u0631\u0629 \u0645\u0646 \u0642\u0648\u0627\u0644\u0628 \u0631\u063a\u0648\u0629 \u0627\u0644\u0628\u0648\u0644\u064a \u064a\u0648\u0631\u064a\u062b\u0627\u0646 \u0641\u064a \u0633\u0628\u0639\u064a\u0646\u064a\u0627\u062a \u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u0645\u0627\u0636\u064a. \u0648\u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u0647\u0630\u0627 \u0627\u0644\u0631\u0642\u0645 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0641\u062d\u0635 \u0645\u0642\u0637\u0639 \u0639\u0631\u0636\u064a \u0644\u0644\u0645\u0631\u0634\u062d \u064a\u0628\u0644\u063a \u0637\u0648\u0644\u0647 \u0628\u0648\u0635\u0629 \u0648\u0627\u062d\u062f\u0629\u060c \u0648\u0625\u062d\u0635\u0627\u0621 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0645\u0633\u0627\u0645 \u0627\u0644\u0645\u0631\u0626\u064a\u0629.<\/p>\n

Here’s something manufacturers rarely explain clearly: PPI isn’t an exact science. Two filters both labeled 40 PPI from different production batches can show pore counts varying by 3-5 pores depending on measurement angle and foam cell uniformity. We always recommend requesting a certificate of analysis with actual pore count data rather than relying solely on the printed specification.<\/p>\n

\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0645\u0624\u0634\u0631 PPI \u0648\u062d\u062c\u0645 \u0627\u0644\u0645\u0633\u0627\u0645 \u0627\u0644\u0641\u0639\u0644\u064a \u0647\u064a \u0639\u0644\u0627\u0642\u0629 \u0639\u0643\u0633\u064a\u0629. \u0641\u0643\u0644\u0645\u0627 \u0627\u0631\u062a\u0641\u0639 \u0645\u0624\u0634\u0631 PPI\u060c \u0632\u0627\u062f \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u0627\u0645 \u0648\u0635\u063a\u0631 \u062d\u062c\u0645\u0647\u0627. \u0641\u0627\u0644\u0645\u0631\u0634\u062d \u0630\u0648 \u0645\u0624\u0634\u0631 PPI 10 \u064a\u062a\u0645\u064a\u0632 \u0628\u0641\u062a\u062d\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0648\u062e\u0634\u0646\u0629 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0625\u0632\u0627\u0644\u0629 \u0642\u0637\u0639 \u0627\u0644\u062e\u0628\u062b \u0627\u0644\u0643\u0628\u064a\u0631\u0629\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0627\u0644\u0645\u0631\u0634\u062d \u0630\u0648 \u0645\u0624\u0634\u0631 PPI 80 \u064a\u062a\u0645\u064a\u0632 \u0628\u0645\u0633\u0627\u0645 \u062f\u0642\u064a\u0642\u0629 \u0644\u0644\u063a\u0627\u064a\u0629 \u062a\u0644\u062a\u0642\u0637 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629\u060c \u0644\u0643\u0646\u0647\u0627 \u062a\u062d\u062f \u0645\u0646 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631.<\/p>\n

\"\u0645\u0631\u0634\u062d
\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u064a \u062e\u0632\u0641\u064a AdTech 40 PPI<\/figcaption><\/figure>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u0629<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th>\n\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/th>\n<\/tr>\n<\/thead>\n
\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0645\u0633\u0627\u0645<\/td>\n38-42 \u0645\u0633\u0627\u0645\u064b\u0627 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0637\u0648\u0644\u064a\u0629<\/td>\n<\/tr>\n
\u0645\u062a\u0648\u0633\u0637 \u0642\u0637\u0631 \u0627\u0644\u0645\u0633\u0627\u0645<\/td>\n0.6mm – 0.8mm<\/td>\n<\/tr>\n
\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629<\/td>\n80% – 88%<\/td>\n<\/tr>\n
\u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0633\u0627\u0626\u0628\u0629<\/td>\n0.4 – 0.6 g\/cm\u00b3<\/td>\n<\/tr>\n
\u0642\u0648\u0629 \u0627\u0644\u062a\u0643\u0633\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f<\/td>\n\u2265 0.6 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u0644\u062e\u062f\u0645\u0629<\/td>\n1000\u00b0C – 1650\u00b0C (alloy dependent)<\/td>\n<\/tr>\n
\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/td>\n\u064a\u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0633\u0631\u064a\u0639 \u0645\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0625\u0644\u0649 800 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<\/td>\n15 \u0645\u0645\u060c 20 \u0645\u0645\u060c 22 \u0645\u0645\u060c 40 \u0645\u0645\u060c 50 \u0645\u0645<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

We’ve seen crushing strength values quoted differently across suppliers, and this matters more than most buyers realize. A filter with insufficient cold crushing strength can crack during handling before it ever touches molten metal, leading to breakthrough contamination that ruins an entire casting batch.<\/p>\n

\u0627\u0642\u0631\u0623 \u0623\u064a\u0636\u064b\u0627: \u0645\u0627 \u0647\u0648 \u0641\u0644\u062a\u0631 \u0631\u063a\u0648\u0629 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643\u061f<\/a><\/p>\n

\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/h2>\n
\"\u0623\u0646\u0648\u0627\u0639
\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0627\u0644\u0645\u0633\u0627\u0645\u064a<\/figcaption><\/figure>\n

\u062a\u0633\u064a\u0637\u0631 \u062b\u0644\u0627\u062b\u0629 \u0623\u0646\u0638\u0645\u0629 \u0631\u0626\u064a\u0633\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0639\u0644\u0649 \u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a 40 PPI\u060c \u0648\u064a\u0636\u0641\u064a \u0643\u0644 \u0645\u0646\u0647\u0627 \u062e\u0635\u0627\u0626\u0635 \u0623\u062f\u0627\u0621 \u0645\u0645\u064a\u0632\u0629 \u0639\u0644\u0649 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0635\u0628 \u0645\u062d\u062f\u062f\u0629.<\/p>\n

\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0643\u0631\u0628\u064a\u062f \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 (SiC)<\/strong><\/p>\n

\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0645\u0631\u0634\u062d\u0627\u062a \u0643\u0631\u0628\u064a\u062f \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0645\u0648\u0635\u0644\u064a\u0629 \u062d\u0631\u0627\u0631\u064a\u0629 \u0623\u0639\u0644\u0649\u060c \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u0639\u0645\u0644 \u0628\u0634\u0643\u0644 \u062c\u064a\u062f \u0645\u0639 \u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0646\u0633\u0628\u0629 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646. \u0648\u064a\u062a\u064a\u062d \u0644\u0648\u0646\u0647\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 \u0627\u0644\u0631\u0645\u0627\u062f\u064a \u0627\u0644\u062f\u0627\u0643\u0646 \u0648\u0627\u0644\u0623\u0633\u0648\u062f \u062a\u0645\u064a\u064a\u0632\u0647\u0627 \u0628\u0635\u0631\u064a\u064b\u0627 \u0639\u0646 \u0627\u0644\u0628\u062f\u0627\u0626\u0644 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627. \u0648\u0646\u0648\u0635\u064a \u0639\u0645\u0648\u0645\u064b\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0634\u062d\u0627\u062a SiC \u0639\u0646\u062f \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0633\u0628\u0627\u0626\u0643 A356 \u0623\u0648 A380\u060c \u062d\u064a\u062b \u062a\u064f\u0639\u062f \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0639\u0627\u0645\u0644\u0627\u064b \u062d\u0627\u0633\u0645\u064b\u0627.<\/p>\n

\u0645\u0631\u0634\u062d\u0627\u062a \u0631\u063a\u0648\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627 (Al\u2082O\u2083)<\/strong><\/p>\n

\u064a\u064f\u0639\u062f \u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0641\u064a \u0635\u0628 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0639\u0627\u0645. \u0641\u0647\u0648 \u064a\u0648\u0641\u0631 \u0642\u0648\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0628\u062a\u0643\u0644\u0641\u0629 \u0645\u0639\u0642\u0648\u0644\u0629\u060c \u0643\u0645\u0627 \u0623\u0646\u0647 \u0645\u0646\u0627\u0633\u0628 \u0644\u0645\u0639\u0638\u0645 \u0623\u0639\u0645\u0627\u0644 \u0635\u0628 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629. \u0648\u062a\u0633\u062a\u062e\u062f\u0645 \u0645\u0639\u0638\u0645 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 40 PPI \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0634\u062d\u0646\u0647\u0627 \u0639\u0627\u0644\u0645\u064a\u064b\u0651\u0627 \u0647\u0630\u0647 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0629.<\/p>\n

\u0645\u0631\u0634\u062d\u0627\u062a \u0645\u0631\u0643\u0628\u0629 \u0645\u0646 \u0627\u0644\u0632\u0631\u0643\u0648\u0646\u064a\u0627 \u0648\u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627<\/strong><\/p>\n

\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0635\u0628 \u0623\u0639\u0644\u0649 \u0623\u0648 \u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0623\u0643\u062b\u0631 \u062a\u0622\u0643\u0644\u0627\u064b \u0644\u0644\u0633\u0628\u0627\u0626\u0643\u060c \u062a\u0648\u0641\u0631 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0645\u0642\u0648\u0627\u0629 \u0628\u0627\u0644\u0632\u0631\u0643\u0648\u0646\u064a\u0627 \u0639\u0645\u0631 \u062e\u062f\u0645\u0629 \u0623\u0637\u0648\u0644. \u0648\u0631\u063a\u0645 \u0623\u0646 \u062a\u0643\u0644\u0641\u062a\u0647\u0627 \u0623\u0639\u0644\u0649\u060c \u0625\u0644\u0627 \u0623\u0646\u0647\u0627 \u062a\u0642\u0644\u0644 \u0645\u0646 \u062e\u0637\u0631 \u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0645\u0631\u0634\u062d \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0627\u0644\u062a\u0622\u0643\u0644 \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0635\u0628 \u0627\u0644\u0637\u0648\u064a\u0644\u0629.<\/p>\n

\n\n\n\n\n\n\n\n
\u0646\u0648\u0639 \u0627\u0644\u0645\u0627\u062f\u0629<\/th>\n\u0623\u0641\u0636\u0644 \u062a\u0637\u0628\u064a\u0642<\/th>\n\u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0646\u0633\u0628\u064a\u0629<\/th>\n\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0645\u0642\u062f\u0631 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/th>\n<\/tr>\n<\/thead>\n
\u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627<\/td>\n\u0635\u0628 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0639\u0627\u0645<\/td>\n\u062e\u0637 \u0627\u0644\u0623\u0633\u0627\u0633<\/td>\n1000\u00b0C<\/td>\n<\/tr>\n
\u0643\u0631\u0628\u064a\u062f \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646<\/td>\n\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0645\u0646 \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646<\/td>\n1.3-1.5x<\/td>\n1400\u00b0C<\/td>\n<\/tr>\n
\u0645\u0631\u0643\u0628 \u0627\u0644\u0632\u0631\u0643\u0648\u0646\u064a\u0627<\/td>\n\u0623\u0648\u0642\u0627\u062a \u0635\u0628 \u0623\u0637\u0648\u0644\u060c \u0648\u0633\u0628\u0627\u0626\u0643 \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/td>\n1.8-2.2x<\/td>\n1650\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u0643\u064a\u0641 \u062a\u062a\u0645 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0641\u0639\u0644\u064a\u064b\u0651\u0627 \u062f\u0627\u062e\u0644 \u0628\u0646\u064a\u0629 \u0627\u0644\u0631\u063a\u0648\u0629<\/h2>\n

\u064a\u0639\u062a\u0645\u062f \u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0645\u0646\u0635\u0647\u0631 \u0639\u0628\u0631 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0639\u0644\u0649 \u0622\u0644\u064a\u062a\u064a\u0646 \u0645\u062a\u0645\u064a\u0632\u062a\u064a\u0646 \u062a\u0639\u0645\u0644\u0627\u0646 \u0641\u064a \u0622\u0646 \u0648\u0627\u062d\u062f\u060c \u0648\u064a\u0633\u0627\u0639\u062f \u0641\u0647\u0645 \u0643\u0644\u062a\u064a\u0647\u0645\u0627 \u0641\u064a \u062a\u0641\u0633\u064a\u0631 \u0633\u0628\u0628 \u0627\u062e\u062a\u0644\u0627\u0641 \u0623\u062f\u0627\u0621 \u0627\u0644\u0631\u063a\u0648\u0629 \u0630\u0627\u062a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 40 PPI \u0639\u0646 \u0627\u0644\u0628\u062f\u0627\u0626\u0644 \u0627\u0644\u0623\u0643\u062b\u0631 \u062e\u0634\u0648\u0646\u0629 \u0623\u0648 \u0627\u0644\u0623\u0643\u062b\u0631 \u0646\u0639\u0648\u0645\u0629.<\/p>\n

\u0627\u0644\u063a\u0631\u0628\u0644\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/strong>\u00a0\u064a\u062d\u062f\u062b \u0630\u0644\u0643 \u0639\u0646\u062f \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0645\u0633\u0627\u0645\u060c \u062d\u064a\u062b \u0644\u0627 \u064a\u0645\u0643\u0646 \u0644\u0644\u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u0623\u0643\u0628\u0631 \u0645\u0646 \u0642\u0637\u0631 \u0627\u0644\u0645\u0633\u0627\u0645 \u0623\u0646 \u062a\u0645\u0631 \u0639\u0628\u0631\u0647\u0627 \u0641\u0639\u0644\u064a\u064b\u0651\u0627. \u0648\u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u0622\u0644\u064a\u0629 \u0627\u0644\u0628\u0633\u064a\u0637\u0629 \u0639\u0644\u0649 \u0627\u062d\u062a\u062c\u0627\u0632 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u0623\u0643\u0628\u0631 \u062d\u062c\u0645\u064b\u0627\u060c \u0645\u062b\u0644 \u0634\u0638\u0627\u064a\u0627 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u0643\u0633\u064a\u062f\u060c \u0648\u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0641\u0644\u0632\u064a\u0629 \u0627\u0644\u0623\u0643\u0628\u0631 \u062d\u062c\u0645\u064b\u0627.<\/p>\n

\u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0639\u0645\u064a\u0642<\/strong>\u00a0\u064a\u062d\u062f\u062b \u0630\u0644\u0643 \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0627\u0644\u0645\u062a\u0639\u0631\u062c \u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0631\u063a\u0648\u0629. \u0641\u0628\u064a\u0646\u0645\u0627 \u064a\u0646\u062a\u0642\u0644 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0635\u0647\u0631\u0629 \u0639\u0628\u0631 \u0627\u0644\u0634\u0628\u0643\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 \u062f\u0639\u0627\u0645\u0627\u062a \u0648\u0641\u062a\u062d\u0627\u062a \u0645\u062a\u0631\u0627\u0628\u0637\u0629\u060c \u062a\u0635\u0637\u062f\u0645 \u0627\u0644\u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u0623\u0635\u063a\u0631 \u0628\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0645\u0633\u0627\u0645 \u0648\u062a\u0644\u062a\u0635\u0642 \u0628\u0647\u0627 \u0628\u0641\u0639\u0644 \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0648\u062a\u0631 \u0627\u0644\u0633\u0637\u062d\u064a \u0648\u0642\u0648\u0649 \u0641\u0627\u0646 \u062f\u064a\u0631 \u0641\u0627\u0644. \u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u0622\u0644\u064a\u0629 \u0639\u0644\u0649 \u0627\u062d\u062a\u062c\u0627\u0632 \u062c\u0633\u064a\u0645\u0627\u062a \u0623\u0635\u063a\u0631 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0642\u0637\u0631 \u0627\u0644\u0627\u0633\u0645\u064a \u0644\u0644\u0645\u0633\u0627\u0645\u060c \u0648\u0647\u0648 \u0645\u0627 \u064a\u0641\u0633\u0631 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0631\u0634\u062d \u0630\u064a \u0643\u062b\u0627\u0641\u0629 40 PPI \u0639\u0644\u0649 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u062a\u064a \u064a\u0642\u0644 \u062d\u062c\u0645\u0647\u0627 \u0628\u0643\u062b\u064a\u0631 \u0639\u0646 \u062d\u062c\u0645 \u0645\u0633\u0627\u0645\u0647 \u0627\u0644\u0630\u064a \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 0.6 \u06480.8 \u0645\u0645.<\/p>\n

\u0643\u0645\u0627 \u0623\u0646 \u0633\u0644\u0648\u0643 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0628\u0631 \u0627\u0644\u0645\u0631\u0634\u062d \u064a\u062e\u0644\u0642 \u062a\u0623\u062b\u064a\u0631\u064b\u0627 \u062a\u0631\u0633\u064a\u0628\u064a\u064b\u0651\u0627. \u0641\u0645\u0639 \u0627\u0646\u062e\u0641\u0627\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0635\u0647\u0631\u0629 \u0623\u062b\u0646\u0627\u0621 \u0645\u0631\u0648\u0631\u0647\u0627 \u0639\u0628\u0631 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0641\u0631\u0636\u0647\u0627 \u0645\u0635\u0641\u0648\u0641\u0629 \u0627\u0644\u0631\u063a\u0648\u0629\u060c \u062a\u062a\u0631\u0633\u0628 \u0628\u0639\u0636 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u0623\u062b\u0642\u0644 \u0648\u0632\u0646\u064b\u0627 \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0641\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0642\u0628\u0644 \u0623\u0646 \u062a\u0635\u0644 \u0625\u0644\u0649 \u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u0633\u0627\u0645 \u0646\u0641\u0633\u0647\u0627. \u0648\u0647\u0630\u0627 \u0623\u062d\u062f \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u062a\u064a \u062a\u062c\u0639\u0644 \u062a\u0635\u0645\u064a\u0645 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u0645\u0631\u0634\u062d \u0648\u0645\u0648\u0636\u0639 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0623\u0645\u0631\u064a\u0646 \u0644\u0627 \u064a\u0642\u0644\u0627\u0646 \u0623\u0647\u0645\u064a\u0629 \u0639\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0631\u0634\u062d \u0646\u0641\u0633\u0647.<\/p>\n

We’ve observed in plant trials that roughly 60-70% of total inclusion removal in a properly sized 40 PPI filter comes from depth filtration rather than simple sieving, which surprises many process engineers who assume pore size alone determines capture efficiency.<\/p>\n

\"\u0628\u0646\u064a\u0629
\u0628\u0646\u064a\u0629 \u0645\u062c\u0647\u0631\u064a\u0629 \u0639\u0646 \u0642\u0631\u0628 \u0644\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u0629 \u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627 \u0627\u0644\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0641\u0648\u0633\u0641\u0627\u062a \u062a\u064f\u0638\u0647\u0631 \u0628\u0646\u064a\u0629 \u0645\u0633\u0627\u0645\u064a\u0629 \u0645\u0648\u062d\u062f\u0629 \u0645\u0641\u062a\u0648\u062d\u0629 \u0627\u0644\u062e\u0644\u0627\u064a\u0627 \u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0645\u0635\u0647\u0648\u0631<\/figcaption><\/figure>\n

\u0645\u0642\u0627\u0631\u0646\u0629 \u062f\u0631\u062c\u0629 40 PPI \u0628\u0627\u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0623\u062e\u0631\u0649<\/h2>\n

Choosing between PPI grades requires balancing flow rate against filtration fineness. Here’s how 40 PPI stacks up against neighboring options.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\u062f\u0631\u062c\u0629 PPI<\/th>\n\u062d\u062c\u0645 \u0627\u0644\u0645\u0633\u0627\u0645 (\u0645\u0645)<\/th>\n\u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642<\/th>\n\u0646\u0642\u0627\u0648\u0629 \u0627\u0644\u062a\u0631\u0634\u064a\u062d<\/th>\n\u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<\/thead>\n
10 PPI<\/td>\n2.3-3.0<\/td>\n\u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u0627\u064b<\/td>\n\u062e\u0634\u0646<\/td>\n\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u062e\u0628\u062b \u0627\u0644\u062e\u0634\u0646\u060c \u0627\u0644\u0635\u0628 \u0628\u0627\u0644\u062c\u0627\u0630\u0628\u064a\u0629<\/td>\n<\/tr>\n
20 PPI 20<\/td>\n1.2-1.5<\/td>\n\u0639\u0627\u0644\u064a\u0629<\/td>\n\u0645\u062a\u0648\u0633\u0637-\u062e\u0634\u0646<\/td>\n\u0635\u0628 \u0627\u0644\u0631\u0645\u0644 \u0627\u0644\u0639\u0627\u0645<\/td>\n<\/tr>\n
30 PPI 30<\/a><\/td>\n0.8-1.0<\/td>\n\u0645\u062a\u0648\u0633\u0637-\u0639\u0627\u0644\u064a<\/td>\n\u0645\u062a\u0648\u0633\u0637<\/td>\n\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/td>\n<\/tr>\n
40 PPI 40<\/td>\n0.6-0.8<\/td>\n\u0645\u062a\u0648\u0633\u0637<\/td>\n\u0645\u062a\u0648\u0633\u0637-\u0646\u0627\u0639\u0645<\/td>\n\u0627\u0644\u0639\u062c\u0644\u0627\u062a\u060c \u0642\u0637\u0639 \u063a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0631\u0643\u060c LPDC<\/td>\n<\/tr>\n
50 PPI<\/td>\n0.4-0.5<\/td>\n\u0645\u062a\u0648\u0633\u0637\u0629-\u0645\u0646\u062e\u0641\u0636\u0629<\/td>\n\u0644\u0627 \u0628\u0623\u0633<\/td>\n\u0627\u0644\u0645\u0633\u0628\u0648\u0643\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0646\u0632\u0627\u0647\u0629<\/td>\n<\/tr>\n
60 PPI<\/td>\n0.3-0.4<\/td>\n\u0645\u0646\u062e\u0641\u0636\u0629<\/td>\n\u0645\u0645\u062a\u0627\u0632 \u062c\u062f\u064b\u0627<\/td>\n\u0627\u0644\u0641\u0636\u0627\u0621\u060c \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0627\u0644\u062d\u064a\u0648\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u0648\u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u062e\u0628\u0631\u062a\u0646\u0627 \u0641\u064a \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u062a\u062c\u0627\u0631\u0628 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629\u060c \u0641\u0625\u0646 \u062e\u0641\u0636 \u0645\u0639\u062f\u0644 PPI \u0645\u0646 30 \u0625\u0644\u0649 40 \u064a\u0624\u062f\u064a \u0639\u0627\u062f\u0629\u064b \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0646\u0633\u0628\u0629 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 15 \u064820%\u060c \u0645\u0639 \u062a\u062d\u0633\u064a\u0646 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0628\u0646\u0633\u0628\u0629 \u0645\u0645\u0627\u062b\u0644\u0629. \u0648\u062a\u062c\u062f \u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0635\u0628 \u0627\u0644\u062a\u064a \u062a\u0646\u062a\u062c \u0645\u0643\u0648\u0646\u0627\u062a \u0630\u0627\u062a \u0623\u0647\u0645\u064a\u0629 \u062d\u0627\u0633\u0645\u0629 \u0644\u0644\u0633\u0644\u0627\u0645\u0629\u060c \u0645\u062b\u0644 \u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0623\u0648 \u0645\u062d\u0627\u0648\u0631 \u0627\u0644\u0639\u062c\u0644\u0627\u062a\u060c \u0623\u0646 \u0645\u0639\u064a\u0627\u0631 40 PPI \u064a\u0641\u064a \u0628\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0644\u062c\u0648\u062f\u0629 \u062f\u0648\u0646 \u0627\u0644\u062a\u0633\u0628\u0628 \u0641\u064a \u0636\u063a\u0637 \u0639\u0643\u0633\u064a \u0645\u0641\u0631\u0637 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0645\u0644\u0621 \u0627\u0644\u0642\u0648\u0627\u0644\u0628.<\/p>\n

\"\u0645\u0631\u0634\u062d
\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u0629 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 10PPI 20PPI 30 PPI 30 PPI<\/figcaption><\/figure>\n

\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0641\u064a \u0645\u062e\u062a\u0644\u0641 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0633\u0628\u0627\u0626\u0643<\/h2>\n

\u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0639\u062c\u0644\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645<\/strong><\/p>\n

\u0631\u0628\u0645\u0627 \u064a\u0645\u062b\u0644 \u0635\u0628 \u0627\u0644\u0639\u062c\u0644\u0627\u062a \u0623\u0643\u0628\u0631 \u062a\u0637\u0628\u064a\u0642 \u0645\u0646\u0641\u0631\u062f \u0644\u0645\u0631\u0634\u062d\u0627\u062a 40 PPI \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0627\u0644\u0645. \u062a\u062a\u0637\u0644\u0628 \u0639\u062c\u0644\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0643\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0648\u062c\u0648\u062f\u0629 \u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u060c \u062d\u064a\u062b \u0625\u0646 \u0623\u064a \u0634\u0648\u0627\u0626\u0628 \u0645\u062d\u0635\u0648\u0631\u0629 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0627\u0644\u0648\u062c\u0647 \u0627\u0644\u0645\u0631\u0626\u064a \u0644\u0644\u0639\u062c\u0644\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u062a\u0635\u0628\u062d \u0633\u0628\u0628\u064b\u0627 \u0644\u0631\u0641\u0636 \u0627\u0644\u0645\u0646\u062a\u062c \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u062c\u0645\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629. \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0642\u0648\u0645 \u0645\u0635\u0627\u0646\u0639 \u0635\u0628 \u0627\u0644\u0639\u062c\u0644\u0627\u062a \u0628\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0628\u062a\u0631\u0643\u064a\u0628 \u0645\u0631\u0634\u062d\u0627\u062a 40 PPI \u0641\u064a \u0642\u0627\u0639\u062f\u0629 \u0623\u0646\u0628\u0648\u0628 \u0627\u0644\u0635\u0639\u0648\u062f \u0623\u0648 \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0642\u0646\u0648\u0627\u062a.<\/p>\n

\u0635\u0628 \u0643\u062a\u0644\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0648\u0631\u0623\u0633 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629<\/strong><\/p>\n

\u062a\u062a\u0639\u0631\u0636 \u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0644\u062f\u0648\u0631\u0627\u062a \u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u0623\u062d\u0645\u0627\u0644 \u0636\u063a\u0637 \u0637\u0648\u0627\u0644 \u0639\u0645\u0631\u0647\u0627 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0648\u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u062e\u0637\u064a\u0631\u0629 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635. \u062a\u062d\u062f\u062f \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0645\u0633\u0627\u0628\u0643 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a 40 PPI \u0643\u062f\u0631\u062c\u0629 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 A319 \u0648A356\u060c \u0648\u062a\u0631\u062a\u0641\u0639 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0625\u0644\u0649 50 PPI \u0644\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0631\u062c\u0629 \u0641\u064a \u063a\u0631\u0641\u0629 \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642.<\/p>\n

\u0627\u0644\u0645\u0633\u0628\u0648\u0643\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0644\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/strong><\/p>\n

\u064a\u062a\u0632\u0627\u064a\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0628\u062f\u0642\u0629 40 PPI \u0641\u064a \u0645\u0643\u0648\u0646\u0627\u062a \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0639\u0644\u064a\u0642 \u0648\u0623\u0630\u0631\u0639 \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0642\u0637\u0639 \u0627\u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0641\u0631\u0639\u064a \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629\u060c \u0641\u064a \u0638\u0644 \u0633\u0639\u064a \u0634\u0631\u0643\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0625\u0644\u0649 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u064a\u0627\u0643\u0644 \u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0623\u062e\u0641 \u0648\u0632\u0646\u064b\u0627 \u0644\u062a\u062d\u0644 \u0645\u062d\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630. \u0648\u062a\u062a\u0637\u0644\u0628 \u0647\u0630\u0647 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062e\u0635\u0627\u0626\u0635 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0645\u062a\u0633\u0642\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u0627\u0644\u0642\u0637\u0639\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629\u060c \u0645\u0645\u0627 \u064a\u0633\u062a\u0644\u0632\u0645 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0628\u0634\u0643\u0644 \u0643\u0627\u0645\u0644.<\/p>\n

\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0628 \u0628\u0627\u0644\u0631\u0645\u0644<\/strong><\/p>\n

\u062a\u0633\u062a\u0641\u064a\u062f \u0642\u0648\u0627\u0644\u0628 \u0627\u0644\u0631\u0645\u0644 \u0627\u0644\u0623\u062e\u0636\u0631 \u0648\u0642\u0648\u0627\u0644\u0628 \u0627\u0644\u0631\u0645\u0644 \u0627\u0644\u0645\u0631\u0628\u0648\u0637\u0629 \u0628\u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0645\u0646 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0628\u0645\u0639\u062f\u0644 40 PPI \u0639\u0646\u062f \u0625\u0646\u062a\u0627\u062c \u0642\u0637\u0639 \u0627\u0644\u0623\u0644\u0645\u0646\u064a\u0648\u0645 \u0645\u062a\u0648\u0633\u0637\u0629 \u0627\u0644\u062a\u0639\u0642\u064a\u062f. \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062a\u0645 \u0648\u0636\u0639 \u0627\u0644\u0645\u0631\u0634\u062d \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0642\u0646\u0648\u0627\u062a\u060c \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0630\u0644\u0643 \u062f\u0627\u062e\u0644 \u062a\u062c\u0648\u064a\u0641 \u0635\u0628 \u0645\u062e\u0635\u0635 \u0644\u0644\u0645\u0631\u0634\u062d \u0645\u0635\u0645\u0645 \u062e\u0635\u064a\u0635\u064b\u0627 \u0628\u062d\u064a\u062b \u064a\u062a\u0645 \u0648\u0636\u0639 \u0627\u0644\u0645\u0631\u0634\u062d \u0628\u0634\u0643\u0644 \u0639\u0645\u0648\u062f\u064a \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0639\u062f\u0646.<\/p>\n

Installation Best Practices We’ve Learned From Plant Experience<\/h2>\n

\u0625\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u064a\u0645\u0646\u0639 \u062d\u062f\u0648\u062b \u063a\u0627\u0644\u0628\u064a\u0629 \u0639\u064a\u0648\u0628 \u0627\u0644\u0635\u0628 \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u062a\u064a \u0646\u0648\u0627\u062c\u0647\u0647\u0627 \u062e\u0644\u0627\u0644 \u0632\u064a\u0627\u0631\u0627\u062a\u0646\u0627 \u0644\u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627.<\/p>\n

\u062a\u0635\u0645\u064a\u0645 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0641\u0644\u062a\u0631<\/strong><\/p>\n

The cavity holding the filter needs proper sealing to prevent metal bypass around the filter edges rather than through it. We’ve seen foundries lose 30% of theoretical filtration benefit simply because the filter print allowed a thin metal channel to form around the filter perimeter during the pour. Adding a slight interference fit or ceramic fiber gasket around the filter edge solves this reliably.<\/p>\n

\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642<\/strong><\/p>\n

\u062a\u0634\u0643\u0644 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0627\u0644\u062a\u064a \u062a\u064f\u062f\u062e\u0644 \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0627\u062a \u0627\u0644\u0633\u0627\u062e\u0646 \u062e\u0637\u0631\u064b\u0627 \u0645\u0646 \u0627\u0644\u0635\u062f\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0643\u0645\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u062c\u0645\u064a\u062f \u0645\u0648\u0636\u0639\u064a \u0644\u062c\u0628\u0647 \u0627\u0644\u0635\u0647\u0631\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u0639\u064a\u0648\u0628 \u0641\u064a \u0627\u0644\u0635\u0628. \u0646\u0648\u0635\u064a \u0628\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0645\u0633\u0628\u0642\u064b\u0627 \u0625\u0644\u0649 150-200 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0642\u0628\u0644 \u0625\u062f\u062e\u0627\u0644\u0647\u0627 \u0643\u0644\u0645\u0627 \u0633\u0645\u062d \u0648\u0642\u062a \u0627\u0644\u062f\u0648\u0631\u0629 \u0628\u0630\u0644\u0643\u060c \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631 \u062a\u062a\u062e\u0637\u0649 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0629 \u0628\u0646\u062c\u0627\u062d \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0634\u062d\u0627\u062a \u0645\u0635\u0645\u0645\u0629 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0648\u0645\u0635\u0646\u0641\u0629 \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/p>\n

\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u062a\u0648\u062c\u0647\u0647<\/strong><\/p>\n

\u062a\u0639\u0645\u0644 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u064a\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0641\u064a \u0623\u064a \u0645\u0646 \u0627\u062a\u062c\u0627\u0647\u064a \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0644\u0643\u0646 \u0627\u0644\u0627\u062a\u0633\u0627\u0642 \u0645\u0647\u0645 \u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0646\u0628\u0624. \u064a\u062c\u0628 \u062a\u062d\u062f\u064a\u062f \u0627\u062a\u062c\u0627\u0647 \u0642\u064a\u0627\u0633\u064a \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u064a\u0647 \u0637\u0648\u0627\u0644 \u062f\u0648\u0631\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0628\u0634\u0643\u0644 \u0639\u0634\u0648\u0627\u0626\u064a\u060c \u0644\u0623\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0637\u0641\u064a\u0641\u0629 \u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0641\u064a \u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u0633\u0627\u0645 \u0642\u062f \u062a\u0624\u062f\u064a \u0625\u0644\u0649 \u062e\u0635\u0627\u0626\u0635 \u062a\u062f\u0641\u0642 \u063a\u064a\u0631 \u0645\u062a\u0645\u0627\u062b\u0644\u0629 \u0628\u0634\u0643\u0644 \u0637\u0641\u064a\u0641.<\/p>\n

\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u062a\u062a\u0639\u0644\u0642 \u0628\u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0623\u0648\u0644\u064a<\/strong><\/p>\n

The initial metal contacting a fresh filter experiences the highest resistance as the filter’s internal structure hasn’t yet been “primed” with a thin metal film that actually improves subsequent flow characteristics. Gating system design should account for this initial resistance spike, particularly in automated pouring systems with fixed pour rates.<\/p>\n

\"\u0627\u062e\u062a\u0631
\u0627\u062e\u062a\u0631 \u0641\u0644\u062a\u0631 \u0631\u063a\u0648\u0629 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0627\u0644\u0631\u063a\u0648\u064a \u0627\u0644\u062e\u0632\u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/figcaption><\/figure>\n

\u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u0637\u0631\u0642 \u062d\u0644\u0647\u0627 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/h2>\n

\u0643\u0633\u0631 \u0627\u0644\u0645\u0631\u0634\u062d \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0635\u0628<\/strong><\/p>\n

\u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u064f\u0639\u0632\u0649 \u0630\u0644\u0643 \u0625\u0644\u0649 \u062b\u0644\u0627\u062b\u0629 \u0623\u0633\u0628\u0627\u0628: \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0635\u0628 \u0627\u0644\u0645\u0641\u0631\u0637 \u0627\u0644\u0630\u064a \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0625\u062c\u0647\u0627\u062f \u0635\u062f\u0645\u064a\u060c \u0623\u0648 \u062a\u062b\u0628\u064a\u062a \u063a\u064a\u0631 \u0645\u0644\u0627\u0626\u0645 \u0644\u0644\u0645\u0631\u0634\u062d \u0641\u064a \u062a\u062c\u0648\u064a\u0641 \u0627\u0644\u0635\u0628\u060c \u0623\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a \u0642\u0648\u0629 \u0633\u062d\u0642 \u0628\u0627\u0631\u062f\u0629 \u063a\u064a\u0631 \u0643\u0627\u0641\u064a\u0629 \u0644\u0647\u0630\u0627 \u0627\u0644\u062a\u0637\u0628\u064a\u0642. \u0648\u0646\u0646\u0635\u062d \u0639\u0645\u0648\u0645\u064b\u0627 \u0628\u062a\u062e\u0641\u064a\u0636 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0635\u0628 \u0628\u0627\u0644\u0633\u0642\u0648\u0637 \u0627\u0644\u062d\u0631 \u0625\u0644\u0649 \u0645\u0627 \u064a\u0642\u0644 \u0639\u0646 100 \u0645\u0645 \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0641\u0648\u0642 \u0627\u0644\u0645\u0631\u0634\u062d\u060c \u0648\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0628\u064a\u0627\u0646\u0627\u062a \u0642\u0648\u0629 \u0627\u0644\u0633\u062d\u0642 \u0627\u0644\u0645\u0642\u062f\u0645\u0629 \u0645\u0646 \u0627\u0644\u0645\u0648\u0631\u062f \u0628\u0645\u0642\u0627\u0631\u0646\u062a\u0647\u0627 \u0628\u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u0649 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u062a\u0633\u0648\u064a\u0642\u064a\u0629.<\/p>\n

\u0627\u0646\u0633\u062f\u0627\u062f \u0627\u0644\u0645\u0631\u0634\u062d \u0642\u0628\u0644 \u0627\u0644\u0623\u0648\u0627\u0646<\/strong><\/p>\n

When filters clog before completing a full pour, the root cause usually involves either excessive inclusion loading in the melt (indicating upstream melt treatment problems) or selecting too fine a PPI grade for the alloy’s actual cleanliness level. Before switching to a coarser filter, we recommend reviewing degassing and fluxing practices, since filter selection should complement rather than compensate for poor melt treatment.<\/p>\n

\u062a\u0628\u0627\u064a\u0646 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u064a\u0646 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a<\/strong><\/p>\n

\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0646\u0634\u0623 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u064a\u0646 \u0627\u0644\u062f\u0641\u0639\u0627\u062a \u0641\u064a \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0646 \u0639\u062f\u0645 \u0627\u062a\u0633\u0627\u0642 \u0645\u0631\u0627\u0642\u0628\u0629 \u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639. \u0627\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646 \u062a\u0642\u062f\u064a\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637\u060c \u0648\u0641\u0643\u0631 \u0641\u064a \u0625\u062c\u0631\u0627\u0621 \u0641\u062d\u0635 \u0639\u064a\u0646\u0629 \u0644\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0648\u0627\u0631\u062f\u0629 \u0625\u0630\u0627 \u0648\u0627\u062c\u0647\u062a \u0634\u0631\u0643\u062a\u0643 \u0639\u064a\u0648\u0628\u064b\u0627 \u063a\u064a\u0631 \u0645\u0628\u0631\u0631\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0627\u062a \u062a\u0631\u062a\u0628\u0637 \u0628\u062f\u0641\u0639\u0627\u062a \u0645\u062d\u062f\u062f\u0629 \u0645\u0646 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a.<\/p>\n

\u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0641\u0644\u062a\u0631<\/strong><\/p>\n

\u062a\u0624\u062f\u064a \u0641\u062a\u0631\u0627\u062a \u0627\u0644\u0635\u0628 \u0627\u0644\u0645\u0637\u0648\u0644\u0629 \u0623\u0648 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0635\u0628 \u0627\u0644\u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0625\u0644\u0649 \u062a\u0633\u0631\u064a\u0639 \u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a\u060c \u0644\u0627 \u0633\u064a\u0645\u0627 \u0641\u064a \u062d\u0627\u0644\u0629 \u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0623\u0644\u0648\u0645\u064a\u0646\u0627 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629. \u0648\u062a\u0634\u0645\u0644 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0638\u0647\u0648\u0631 \u0628\u0646\u064a\u0629 \u0645\u0633\u0627\u0645\u064a\u0629 \u0645\u062a\u0648\u0633\u0639\u0629 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0627\u0644\u0633\u0637\u062d \u0627\u0644\u0645\u0644\u0627\u0645\u0633 \u0644\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0635\u0647\u0631\u0629\u060c \u0648\u0632\u064a\u0627\u062f\u0629 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0645\u0639 \u0627\u0642\u062a\u0631\u0627\u0628 \u0646\u0647\u0627\u064a\u0629 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0635\u0628 \u0627\u0644\u0637\u0648\u064a\u0644\u0629. \u0648\u064a\u0639\u0627\u0644\u062c \u0627\u0644\u062a\u062d\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0643\u0631\u0628\u064a\u062f \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 \u0623\u0648 \u0645\u0631\u0643\u0628 \u0627\u0644\u0632\u0631\u0643\u0648\u0646\u064a\u0627 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u062c\u0627\u0648\u0632 \u0641\u064a\u0647\u0627 \u0623\u0648\u0642\u0627\u062a \u0627\u0644\u0635\u0628 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a.<\/p>\n

\u062a\u062a\u0648\u0641\u0631 \u0627\u0644\u0623\u062d\u062c\u0627\u0645 \u0648\u0627\u0644\u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<\/h2>\n
\n\n\n\n\n\n\n\n
\u0627\u0644\u0634\u0643\u0644<\/th>\n\u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/th>\n\u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<\/thead>\n
\u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/td>\n\u0642\u0637\u0631 50 \u0645\u0645\u060c 60 \u0645\u0645\u060c 70 \u0645\u0645\u060c 80 \u0645\u0645\u060c 90 \u0645\u0645\u060c 100 \u0645\u0645\u060c 125 \u0645\u0645\u060c 150 \u0645\u0645<\/td>\n\u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0628\u0627\u0644\u0631\u0627\u0641\u0639\u0629\u060c \u0627\u0644\u0635\u0628 \u0628\u0627\u0644\u062c\u0627\u0630\u0628\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0631\u0628\u0639<\/td>\n\u0645\u0646 50 \u00d7 50 \u0645\u0645 \u0625\u0644\u0649 230 \u00d7 230 \u0645\u0645<\/td>\n\u0623\u0646\u0638\u0645\u0629 \u0642\u0646\u0648\u0627\u062a \u0627\u0644\u0635\u0628 \u0628\u0627\u0644\u0631\u0645\u0644<\/td>\n<\/tr>\n
\u0645\u0633\u062a\u0637\u064a\u0644 \u0627\u0644\u0634\u0643\u0644<\/td>\n\u0623\u0628\u0639\u0627\u062f \u0645\u062e\u0635\u0635\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629<\/td>\n\u062e\u0637\u0648\u0637 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u064a\u062a\u0631\u0627\u0648\u062d \u0633\u0645\u0643 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0634\u0643\u0627\u0644 \u0639\u0645\u0648\u0645\u064b\u0627 \u0628\u064a\u0646 15 \u0645\u0645 \u064850 \u0645\u0645\u060c \u062d\u064a\u062b \u064a\u0645\u062b\u0644 \u0633\u0645\u0643 22 \u0645\u0645 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0648\u0641\u0631\u064b\u0627 \u0641\u064a \u0627\u0644\u0645\u062e\u0632\u0648\u0646 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645. \u062a\u062a\u0648\u0641\u0631 \u0627\u0644\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u062f\u0649 \u0645\u0639\u0638\u0645 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629\u060c \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0643\u0645\u064a\u0627\u062a \u0627\u0644\u0637\u0644\u0628 \u0644\u0644\u0623\u062d\u062c\u0627\u0645 \u063a\u064a\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u0648\u0627\u0631\u062f\u0629 \u0641\u064a \u0627\u0644\u0643\u062a\u0627\u0644\u0648\u062c.<\/p>\n

\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/h2>\n

Reputable manufacturers test 40 PPI filters against several international standards, though we’ve found significant variation in how rigorously different suppliers actually apply these tests.<\/p>\n

\u064a\u062a\u0628\u0639 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0627\u0646\u0636\u063a\u0627\u0637 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0645\u0634\u0627\u0628\u0647\u0629 \u0644\u062a\u0644\u0643 \u0627\u0644\u0645\u0646\u0635\u0648\u0635 \u0639\u0644\u064a\u0647\u0627 \u0641\u064a \u0645\u0639\u064a\u0627\u0631 ASTM C133\u060c \u062d\u064a\u062b \u064a\u062a\u0645 \u0642\u064a\u0627\u0633 \u0642\u0648\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u0643\u0633\u0631 \u0627\u0644\u0645\u0631\u0634\u062d. \u0623\u0645\u0627 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0641\u064a\u062a\u0636\u0645\u0646 \u0639\u0627\u062f\u0629\u064b \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0625\u0644\u0649 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u062b\u0645 \u062a\u0639\u0631\u064a\u0636\u0647\u0627 \u0644\u062a\u0628\u0631\u064a\u062f \u0633\u0631\u064a\u0639\u060c \u0645\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0639\u062f\u0645 \u062d\u062f\u0648\u062b \u062a\u0634\u0642\u0642\u0627\u062a \u0623\u0648 \u0641\u0634\u0644 \u0647\u064a\u0643\u0644\u064a.<\/p>\n

Flow rate testing using standardized water models or actual metal trials provides the most practical performance data for purchasing decisions. We always recommend requesting this data specifically, since pore count alone doesn’t guarantee consistent flow performance across different manufacturing batches.<\/p>\n

\u0644\u0627 \u064a\u0632\u0627\u0644 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a \u064a\u062d\u0638\u0649 \u0628\u0623\u0647\u0645\u064a\u0629 \u0644\u0627 \u062a\u064f\u0635\u062f\u0642 \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0627\u0644\u062a\u0642\u062f\u0645 \u0627\u0644\u0630\u064a \u0634\u0647\u062f\u062a\u0647 \u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0638\u0647\u0631 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u062a\u0648\u0632\u064a\u0639\u064b\u0627 \u0645\u062a\u062c\u0627\u0646\u0633\u064b\u0627 \u0644\u0644\u0645\u0633\u0627\u0645 \u062f\u0648\u0646 \u0648\u062c\u0648\u062f \u0634\u0642\u0648\u0642 \u0623\u0648 \u062a\u0634\u0642\u0642\u0627\u062a \u0645\u0631\u0626\u064a\u0629 \u0623\u0648 \u062a\u0628\u0627\u064a\u0646\u0627\u062a \u0641\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0639\u0644\u0649 \u0633\u0637\u062d\u0647\u0627. \u0643\u0645\u0627 \u064a\u0634\u064a\u0631 \u0627\u062a\u0633\u0627\u0642 \u0627\u0644\u0644\u0648\u0646 \u0625\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0633\u0644\u064a\u0645 \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0642 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0635\u0646\u064a\u0639\u060c \u062d\u064a\u062b \u064a\u064f\u0639\u062f \u0627\u0644\u062a\u0644\u0648\u064a\u0646 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u062c\u0627\u0646\u0633 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u0645\u0624\u0634\u0631\u064b\u0627 \u0639\u0644\u0649 \u0639\u062f\u0645 \u0627\u062a\u0633\u0627\u0642 \u0638\u0631\u0648\u0641 \u0627\u0644\u0641\u0631\u0646.<\/p>\n

\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0648\u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629<\/h2>\n

\u062a\u0639\u062a\u0628\u0631 \u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0623\u0643\u062b\u0631 \u0647\u0634\u0627\u0634\u0629 \u0645\u0645\u0627 \u064a\u0648\u062d\u064a \u0628\u0647 \u0645\u0638\u0647\u0631\u0647\u0627\u060c \u0643\u0645\u0627 \u0623\u0646 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u063a\u064a\u0631 \u0627\u0644\u0633\u0644\u064a\u0645 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u062d\u062f\u0648\u062b \u0623\u0639\u0637\u0627\u0644 \u0645\u064a\u062f\u0627\u0646\u064a\u0629 \u0623\u0643\u062b\u0631 \u0645\u0645\u0627 \u064a\u062f\u0631\u0643 \u0645\u0639\u0638\u0645 \u0645\u062f\u064a\u0631\u064a \u0627\u0644\u062c\u0648\u062f\u0629.<\/p>\n

\u064a\u062c\u0628 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0641\u064a \u0639\u0628\u0648\u0627\u062a\u0647\u0627 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0641\u064a \u0628\u064a\u0626\u0629 \u062c\u0627\u0641\u0629 \u0628\u0639\u064a\u062f\u064b\u0627 \u0639\u0646 \u062a\u0642\u0644\u0628\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0641\u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0641\u064a \u0628\u0646\u064a\u0629 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0625\u0644\u0649 \u062a\u0648\u0644\u062f \u0627\u0644\u0628\u062e\u0627\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642 \u0623\u0648 \u0639\u0646\u062f \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0627\u0644\u0623\u0648\u0644\u064a \u0645\u0639 \u0627\u0644\u0645\u0639\u062f\u0646\u060c \u0645\u0645\u0627 \u0642\u062f \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u0634\u0642\u0642 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a. \u0648\u064a\u062c\u0628 \u0623\u0646 \u064a\u0638\u0644 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u062a\u0643\u062f\u064a\u0633 \u0645\u062d\u062f\u0648\u062f\u064b\u0627 \u0644\u0645\u0646\u0639 \u062d\u062f\u0648\u062b \u0623\u0636\u0631\u0627\u0631 \u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0627\u0644\u0633\u062d\u0642 \u0644\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0642\u0627\u0639 \u062d\u0627\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u062e\u0632\u064a\u0646\u060c \u0644\u0627 \u0633\u064a\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u0645\u0631\u0628\u0639\u0629 \u0648\u0627\u0644\u0645\u0633\u062a\u0637\u064a\u0644\u0629 \u0627\u0644\u0623\u0643\u0628\u0631 \u062d\u062c\u0645\u064b\u0627.<\/p>\n

\u0642\u0645 \u0628\u0645\u0646\u0627\u0648\u0644\u0629 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0645\u0646 \u062d\u0648\u0627\u0641\u0647\u0627 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0636\u063a\u0637 \u0639\u0644\u0649 \u0647\u064a\u0643\u0644 \u0627\u0644\u0633\u0637\u062d\u060c \u062d\u064a\u062b \u0625\u0646 \u0636\u063a\u0637 \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0636\u063a\u0637 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0627\u0644\u0631\u063a\u0648\u064a\u0629 \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0648\u0625\u062a\u0644\u0627\u0641\u0647\u0627 \u062d\u062a\u0649 \u0644\u0648 \u0628\u062f\u062a \u0635\u0644\u0628\u0629. \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0642\u0648\u0645 \u0627\u0644\u0645\u0633\u0627\u0628\u0643 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0628\u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0628\u062a\u0637\u0648\u064a\u0631 \u0623\u062c\u0647\u0632\u0629 \u0645\u0646\u0627\u0648\u0644\u0629 \u0645\u062e\u0635\u0635\u0629 \u062a\u0646\u0642\u0644 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0645\u0646 \u0627\u0644\u0645\u062e\u0632\u0646 \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0625\u0644\u0649 \u0642\u0627\u0644\u0628 \u0627\u0644\u0645\u0631\u0634\u062d \u062f\u0648\u0646 \u0645\u0644\u0627\u0645\u0633\u0629 \u0627\u0644\u0633\u0637\u062d \u064a\u062f\u0648\u064a\u064b\u0651\u0627.<\/p>\n

\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/h2>\n

We’re increasingly asked about the total cost picture beyond the per-unit filter price. A 40 PPI filter typically costs 15-25% more than an equivalent 30 PPI filter due to more complex manufacturing requirements achieving the finer pore structure.<\/p>\n

\u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u0634\u0645\u0644 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0648\u0641\u0648\u0631\u0627\u062a \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0641\u064a \u0627\u0644\u0645\u0631\u0627\u062d\u0644 \u0627\u0644\u0644\u0627\u062d\u0642\u0629 \u0639\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062e\u0631\u062f\u0629. \u0641\u0627\u0644\u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u062a\u064a \u062a\u062a\u062d\u0648\u0644 \u0645\u0646 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0631\u0634\u064a\u062d 30 PPI \u0625\u0644\u0649 \u0646\u0638\u0627\u0645 40 PPI \u0627\u0644\u0645\u0637\u0628\u0642 \u0628\u0634\u0643\u0644 \u0633\u0644\u064a\u0645\u060c \u062a\u064f\u0628\u0644\u063a \u0639\u0627\u062f\u0629\u064b \u0639\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0641\u064a \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062e\u0631\u062f\u0629 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 1 \u06483% \u0641\u064a \u0642\u0637\u0639 \u0627\u0644\u0635\u0628 \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0644\u0644\u0634\u0648\u0627\u0626\u0628\u060c \u0648\u0647\u0648 \u0645\u0627 \u064a\u0641\u0648\u0642 \u0639\u0627\u062f\u0629\u064b \u0641\u0631\u0642 \u0633\u0639\u0631 \u0627\u0644\u0645\u0631\u0634\u062d \u0639\u062f\u0629 \u0645\u0631\u0627\u062a \u0639\u0646\u062f \u0623\u064a \u062d\u062c\u0645 \u0625\u0646\u062a\u0627\u062c \u0645\u0639\u0642\u0648\u0644.<\/p>\n

Disposal considerations remain minor since spent ceramic filters are inert and don’t require special hazardous waste handling in most jurisdictions, though local regulations should always be verified.<\/p>\n

\"\u0634\u0647\u0627\u062f\u0629
\u0634\u0647\u0627\u062f\u0629 \u0627\u0639\u062a\u0645\u0627\u062f \u0645\u0631\u0634\u062d \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0645\u0646 AdTech \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0635\u0628 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0645\u0646\u0635\u0647\u0631<\/figcaption><\/figure>\n

\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/h2>\n

What’s the difference between 40 PPI and 50 PPI ceramic foam filters?<\/strong><\/p>\n

\u064a\u0643\u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0641\u064a \u062d\u062c\u0645 \u0627\u0644\u0645\u0633\u0627\u0645 \u0648\u062f\u0642\u0629 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0630\u0644\u0643. \u062a\u062a\u0645\u064a\u0632 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a 40 PPI \u0628\u0645\u0633\u0627\u0645 \u0623\u0643\u0628\u0631 (0.6-0.8 \u0645\u0645) \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u0645\u0639\u062f\u0644\u0627\u062a \u062a\u062f\u0641\u0642 \u0623\u0639\u0644\u0649 \u0648\u0644\u0643\u0646 \u0628\u062a\u0631\u0634\u064a\u062d \u0623\u0642\u0644 \u062f\u0642\u0629\u060c \u0641\u064a \u062d\u064a\u0646 \u062a\u062a\u0645\u064a\u0632 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a 50 PPI \u0628\u0645\u0633\u0627\u0645 \u0623\u0635\u063a\u0631 (0.4-0.5 \u0645\u0645) \u062a\u0644\u062a\u0642\u0637 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0639\u0644\u0649 \u062d\u0633\u0627\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0639\u0628\u0631 \u0627\u0644\u0645\u0631\u0634\u062d.<\/p>\n

\u0647\u0644 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0630\u0627\u062a \u0643\u062b\u0627\u0641\u0629 40 PPI \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631\u061f<\/strong><\/p>\n

Standard alumina 40 PPI filters aren’t typically recommended for cast iron due to the higher pouring temperatures involved. Iron casting generally requires specialized filter formulations with higher temperature ratings, often using different ceramic compositions specifically engineered for ferrous metal service.<\/p>\n

\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u062f\u0629 \u0627\u0644\u062a\u064a \u064a\u0638\u0644 \u0641\u064a\u0647\u0627 \u0645\u0631\u0634\u062d 40 PPI \u0641\u0639\u0627\u0644\u0627\u064b \u062e\u0644\u0627\u0644 \u0639\u0645\u0644\u064a\u0629 \u0635\u0628 \u0648\u0627\u062d\u062f\u0629\u061f<\/strong><\/p>\n

\u062a\u0639\u062a\u0645\u062f \u0645\u062f\u0629 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0641\u0639\u0627\u0644\u0629 \u0639\u0644\u0649 \u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0635\u0647\u0631\u0629 \u0648\u062d\u062c\u0645 \u0627\u0644\u0635\u0628\u060c \u0644\u0643\u0646 \u0627\u0644\u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 40 PPI \u062a\u062a\u062d\u0645\u0644 \u0639\u0627\u062f\u0629\u064b \u0639\u0645\u0644\u064a\u0627\u062a \u0635\u0628 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 50 \u0643\u062c\u0645 \u0648500 \u0643\u062c\u0645\u060c \u062d\u0633\u0628 \u062d\u062c\u0645 \u0627\u0644\u0645\u0631\u0634\u062d\u060c \u0642\u0628\u0644 \u0623\u0646 \u062a\u0638\u0647\u0631 \u062a\u0642\u064a\u064a\u062f\u064b\u0627 \u0645\u0644\u062d\u0648\u0638\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642. \u0648\u062a\u0624\u062f\u064a \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0646\u0635\u0647\u0631\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0646\u0633\u0628\u0629 \u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0647\u0630\u0647 \u0627\u0644\u0633\u0639\u0629 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631.<\/p>\n

\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u0634\u0642\u0642 \u0645\u0631\u0634\u062d \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a \u0642\u0628\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u061f<\/strong><\/p>\n

\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0646\u062a\u062c \u0627\u0644\u062a\u0634\u0642\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062b \u0642\u0628\u0644 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0646 \u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062b \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0634\u062d\u0646 \u0623\u0648 \u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629\u060c \u0623\u0648 \u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0630\u064a \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u0625\u062c\u0647\u0627\u062f \u062f\u0627\u062e\u0644\u064a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642\u060c \u0623\u0648 \u0639\u064a\u0648\u0628 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0639\u062f\u0645 \u0627\u0646\u062a\u0638\u0627\u0645 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062d\u0631\u0642. \u0648\u062a\u064f\u0645\u0646\u0639 \u0645\u0639\u0638\u0645 \u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0642\u0628\u0644 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0633\u0644\u064a\u0645 \u0648\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629 \u0627\u0644\u0644\u0637\u064a\u0641\u0629.<\/p>\n

\u0647\u0644 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642 \u0636\u0631\u0648\u0631\u064a \u062f\u0627\u0626\u0645\u064b\u0627 \u0644\u0644\u0641\u0644\u0627\u062a\u0631 \u0630\u0627\u062a 40 PPI\u061f<\/strong><\/p>\n

Preheating isn’t strictly mandatory for all applications, but it significantly reduces thermal shock risk and prevents localized metal freezing at the filter face. High-volume automated operations sometimes skip preheating when using filters specifically rated for cold installation, but manual or lower-volume operations benefit from the practice.<\/p>\n

\u0644\u0645\u0627\u0630\u0627 \u062a\u0638\u0647\u0631 \u0645\u0631\u0634\u062d\u0627\u062a\u064a \u0645\u0639\u062f\u0644\u0627\u062a \u0631\u0641\u0636 \u0623\u0639\u0644\u0649 \u0642\u0631\u0628 \u0646\u0647\u0627\u064a\u0629 \u062f\u0648\u0631\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u061f<\/strong><\/p>\n

\u064a\u0634\u064a\u0631 \u0647\u0630\u0627 \u0627\u0644\u0646\u0645\u0637 \u0639\u0627\u062f\u0629\u064b \u0625\u0644\u0649 \u062a\u062f\u0647\u0648\u0631 \u062a\u062f\u0631\u064a\u062c\u064a \u0641\u064a \u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0631\u0634\u062d \u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u0637\u0648\u0644 \u0623\u0648 \u0627\u0646\u0633\u062f\u0627\u062f \u062a\u062f\u0631\u064a\u062c\u064a \u0644\u0644\u0645\u0633\u0627\u0645 \u0628\u0633\u0628\u0628 \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0637\u0648\u0627\u0644 \u0641\u062a\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644. \u064a\u062c\u0628 \u0645\u0631\u0627\u0639\u0627\u0629 \u0648\u0636\u0639 \u062c\u062f\u0627\u0648\u0644 \u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0645\u0631\u0634\u062d \u0627\u0633\u062a\u0646\u0627\u062f\u064b\u0627 \u0625\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0645\u0639\u062f\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0648\u0642\u062a \u0648\u062d\u062f\u0647.<\/p>\n

\u0647\u0644 \u062a\u0639\u0645\u0644 \u062c\u0645\u064a\u0639 \u0645\u0631\u0634\u062d\u0627\u062a PPI \u0627\u0644\u0628\u0627\u0644\u063a \u0639\u062f\u062f\u0647\u0627 40 \u0645\u0631\u0634\u062d\u064b\u0627 \u0645\u0646 \u0634\u0631\u0643\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0645\u062e\u062a\u0644\u0641\u0629 \u0628\u0646\u0641\u0633 \u0627\u0644\u0623\u062f\u0627\u0621\u061f<\/strong><\/p>\n

\u0644\u0627\u060c \u0641\u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u062a\u062e\u062a\u0644\u0641 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0628\u064a\u0646 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646 \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u062a\u0645\u0627\u062b\u0644 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0645\u0624\u0634\u0631 \u0627\u0644\u0623\u062f\u0627\u0621 (PPI) \u0644\u062f\u064a\u0647\u0645. \u0641\u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0641\u0639\u0644\u064a \u0644\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0645\u0633\u0627\u0645\u060c \u0648\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0648\u0627\u062a\u0633\u0627\u0642 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639\u060c \u0643\u0644\u0647\u0627 \u0639\u0648\u0627\u0645\u0644 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0641\u0639\u0644\u064a\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u062a\u0623\u0647\u064a\u0644 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646 \u0623\u0645\u0631\u0627\u064b \u0636\u0631\u0648\u0631\u064a\u0627\u064b \u0642\u0628\u0644 \u0627\u0644\u0627\u0644\u062a\u0632\u0627\u0645 \u0628\u0634\u0631\u0627\u0621 \u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629.<\/p>\n

\u0645\u0627 \u0647\u064a \u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u0641\u064a\u062f \u0623\u0643\u062b\u0631 \u0645\u0646 \u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0628\u0645\u0639\u062f\u0644 40 PPI\u061f<\/strong><\/p>\n

\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u064f\u062d\u062f\u062f \u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0623\u0644\u0645\u0646\u064a\u0648\u0645 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0641\u064a \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u2014 \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0633\u0628\u0627\u0626\u0643 \u0633\u0644\u0627\u0633\u0644 A356 \u0648A357 \u0648A380 \u2014 \u062f\u0631\u062c\u0629 \u0627\u0644\u062a\u0631\u0634\u064a\u062d \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0628\u0640 40 PPI\u060c \u0648\u0630\u0644\u0643 \u0628\u0633\u0628\u0628 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u0630\u064a \u062a\u062a\u0637\u0644\u0628\u0647 \u0647\u0630\u0647 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a.<\/p>\n

\u0643\u064a\u0641 \u064a\u0624\u062b\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0634\u0643\u0644 \u0627\u0644\u0645\u0631\u0634\u062d \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0635\u0628\u061f<\/strong><\/p>\n

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\u0647\u0644 \u064a\u0645\u0643\u0646 \u0625\u0639\u0627\u062f\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u0639\u0645\u0644\u0629\u061f<\/strong><\/p>\n

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\u062e\u0644\u0627\u0635\u0629 \u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u062e\u0644\u0635\u0629 \u0645\u0646 \u062a\u062c\u0631\u0628\u062a\u0646\u0627 \u0641\u064a \u0642\u0627\u0639\u0629 \u0627\u0644\u0635\u0628<\/h2>\n

Selecting the right ceramic foam filter involves more variables than the PPI number alone suggests. We’ve walked through the technical specifications, material options, and practical installation guidance that separates successful filtration programs from those generating recurring quality headaches. The 40 PPI grade earns its widespread adoption across automotive aluminum casting because it genuinely balances competing priorities that pure technical specifications sometimes obscure.<\/p>\n

Working directly with your filter supplier on application-specific testing, rather than relying solely on catalog specifications, consistently produces better outcomes than treating filter selection as a simple ordering decision. Every foundry’s melt chemistry, gating design, and quality requirements create a slightly different optimal solution, even when the general PPI recommendation remains consistent across the industry.<\/p>","protected":false},"excerpt":{"rendered":"

A 40 PPI ceramic foam filter removes non-metallic inclusions from molten aluminum and other non-ferrous alloys by forcing melt through a network of interconnected pores measuring roughly 0.6mm to 0.8mm in diameter. We’ve worked with foundries across multiple continents, and this specific porosity grade sits at the sweet spot for aluminum sand casting and low-pressure […]<\/p>\n","protected":false},"author":1,"featured_media":3606,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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