{"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\/ja\/40-ppi-ceramic-foam-filter\/","title":{"rendered":"40 PPI \u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc"},"content":{"rendered":"

40 PPI \u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc<\/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

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306740 PPI\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f7f\u7528\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 \u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u304a\u898b\u7a4d\u3082\u308a\u306f\u7121\u6599\u3067\u3059\u3002.<\/span><\/p>\n

\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u7528\u8a9e\u306b\u304a\u3044\u3066\u3001PPI\u3068\u306f\u5b9f\u969b\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u610f\u5473\u3092\u6301\u3064\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n

PPI\u3068\u306f\u300c1\u7dda\u5f62\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u7d30\u5b54\u6570\u300d\u3092\u610f\u5473\u3057\u30011970\u5e74\u4ee3\u306b\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u30dd\u30ea\u30a6\u30ec\u30bf\u30f3\u30d5\u30a9\u30fc\u30e0\u306e\u578b\u304b\u3089\u521d\u3081\u3066\u63a1\u7528\u3055\u308c\u305f\u5f53\u6642\u3001\u7db2\u76ee\u72b6\u30d5\u30a9\u30fc\u30e0\u696d\u754c\u304b\u3089\u501f\u7528\u3055\u308c\u305f\u6e2c\u5b9a\u5358\u4f4d\u3067\u3059\u3002\u3053\u306e\u6570\u5024\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e1\u30a4\u30f3\u30c1\u306e\u65ad\u9762\u3092\u89b3\u5bdf\u3057\u3001\u76ee\u306b\u898b\u3048\u308b\u7d30\u5b54\u306e\u958b\u53e3\u90e8\u3092\u6570\u3048\u308b\u3053\u3068\u3067\u7b97\u51fa\u3055\u308c\u307e\u3059\u3002.<\/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

PPI\u3068\u5b9f\u969b\u306e\u5b54\u5f84\u306e\u95a2\u4fc2\u306f\u53cd\u6bd4\u4f8b\u3057\u307e\u3059\u3002PPI\u306e\u6570\u5024\u304c\u9ad8\u3044\u307b\u3069\u3001\u5b54\u306f\u5c0f\u3055\u304f\u3001\u305d\u306e\u6570\u3082\u591a\u304f\u306a\u308a\u307e\u3059\u300210 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u5927\u304d\u306a\u30b9\u30e9\u30b0\u306e\u584a\u3092\u53d6\u308a\u9664\u304f\u306e\u306b\u9069\u3057\u305f\u5927\u304d\u304f\u3066\u7c97\u3044\u958b\u53e3\u90e8\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u300180 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u5fae\u7d30\u306a\u9178\u5316\u76ae\u819c\u3092\u6355\u6349\u3067\u304d\u308b\u6975\u3081\u3066\u7d30\u304b\u3044\u5b54\u3092\u6301\u3063\u3066\u3044\u308b\u53cd\u9762\u3001\u6d41\u91cf\u3092\u5927\u5e45\u306b\u5236\u9650\u3057\u307e\u3059\u3002.<\/p>\n

\"AdTech
AdTech 40 PPI \u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc<\/figcaption><\/figure>\n

\u6280\u8853\u4ed5\u69d8\u3068\u7269\u7406\u7684\u7279\u6027<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n\u4ed5\u69d8<\/th>\n<\/tr>\n<\/thead>\n
\u7d30\u5b54\u5bc6\u5ea6<\/td>\n1\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u5b54\u6570\u304c38\uff5e42\u500b<\/td>\n<\/tr>\n
\u5e73\u5747\u7d30\u5b54\u5f84<\/td>\n0.6mm – 0.8mm<\/td>\n<\/tr>\n
\u6c17\u5b54\u7387\uff08\uff05\uff09<\/td>\n80% – 88%<\/td>\n<\/tr>\n
\u304b\u3055\u5bc6\u5ea6<\/td>\n0.4 – 0.6 g\/cm\u00b3<\/td>\n<\/tr>\n
\u51b7\u9593\u7834\u7815\u5f37\u5ea6<\/td>\n0.6 MPa\u4ee5\u4e0a<\/td>\n<\/tr>\n
\u6700\u9ad8\u4f7f\u7528\u6e29\u5ea6<\/td>\n1000\u00b0C – 1650\u00b0C (alloy dependent)<\/td>\n<\/tr>\n
\u8010\u71b1\u885d\u6483\u6027<\/td>\n\u5ba4\u6e29\u304b\u3089800\u00b0C\u307e\u3067\u306e\u6025\u6fc0\u306a\u52a0\u71b1\u306b\u8010\u3048\u308b<\/td>\n<\/tr>\n
\u6a19\u6e96\u539a\u3055<\/td>\n15mm\u300120mm\u300122mm\u300140mm\u300150mm<\/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

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a \u30bb\u30e9\u30df\u30c3\u30af\u30fb\u30d5\u30a9\u30fc\u30e0\u30fb\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306f\uff1f<\/a><\/p>\n

\u7d44\u6210\u304a\u3088\u3073\u88fd\u9020\u6750\u6599<\/h2>\n
\"\u591a\u5b54\u8cea\u30bb\u30e9\u30df\u30c3\u30af\u30b9\u306e\u7a2e\u985e\"
\u591a\u5b54\u8cea\u30bb\u30e9\u30df\u30c3\u30af\u30b9\u306e\u7a2e\u985e<\/figcaption><\/figure>\n

40 PPI\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u88fd\u9020\u3067\u306f\u30013\u3064\u306e\u4e3b\u8981\u306a\u30bb\u30e9\u30df\u30c3\u30af\u6750\u6599\u7cfb\u304c\u4e3b\u6d41\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u92f3\u9020\u7528\u9014\u306b\u304a\u3044\u3066\u72ec\u81ea\u306e\u6027\u80fd\u7279\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/p>\n

\u70ad\u5316\u30b1\u30a4\u7d20\uff08SiC\uff09\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong><\/p>\n

\u70ad\u5316\u30b1\u30a4\u7d20\uff08SiC\uff09\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u71b1\u4f1d\u5c0e\u7387\u306e\u9ad8\u3044\u7528\u9014\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u30b7\u30ea\u30b3\u30f3\u542b\u6709\u91cf\u306e\u9ad8\u3044\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5408\u91d1\u306b\u3082\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u8272\u306f\u6fc3\u3044\u7070\u8272\u304b\u3089\u9ed2\u8272\u3067\u3042\u308b\u305f\u3081\u3001\u30a2\u30eb\u30df\u30ca\u7cfb\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u8996\u899a\u7684\u306b\u533a\u5225\u3067\u304d\u307e\u3059\u3002\u71b1\u30b5\u30a4\u30af\u30eb\u8010\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u3068\u306a\u308bA356\u3084A380\u5408\u91d1\u306e\u53d6\u308a\u6271\u3044\u306b\u304a\u3044\u3066\u306f\u3001\u901a\u5e38\u3001SiC\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f7f\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>\n

\u30a2\u30eb\u30df\u30ca\uff08Al\u2082O\u2083\uff09\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong><\/p>\n

\u30a2\u30eb\u30df\u30ca\u306f\u3001\u4e00\u822c\u7684\u306a\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020\u306b\u304a\u3044\u3066\u4e3b\u529b\u3068\u306a\u308b\u6750\u6599\u3067\u3059\u3002\u624b\u9803\u306a\u30b3\u30b9\u30c8\u3067\u78ba\u304b\u306a\u6a5f\u68b0\u7684\u5f37\u5ea6\u3092\u767a\u63ee\u3057\u3001\u6a19\u6e96\u7684\u306a\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020\u4f5c\u696d\u306e\u5927\u90e8\u5206\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4e16\u754c\u4e2d\u3067\u51fa\u8377\u3055\u308c\u3066\u3044\u308b40 PPI\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u307b\u3068\u3093\u3069\u304c\u3001\u3053\u306e\u7d44\u6210\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30b8\u30eb\u30b3\u30cb\u30a2\u30fb\u30a2\u30eb\u30df\u30ca\u8907\u5408\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong><\/p>\n

\u3088\u308a\u9ad8\u3044\u92f3\u8fbc\u307f\u6e29\u5ea6\u3084\u3001\u3088\u308a\u8150\u98df\u6027\u306e\u9ad8\u3044\u5408\u91d1\u7d44\u6210\u3092\u4f34\u3046\u7528\u9014\u3067\u306f\u3001\u30b8\u30eb\u30b3\u30cb\u30a2\u5f37\u5316\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8010\u7528\u5e74\u6570\u3092\u5ef6\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u9577\u6642\u9593\u306e\u92f3\u8fbc\u307f\u4e2d\u306b\u4fb5\u98df\u306b\u3088\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u52a3\u5316\u304c\u751f\u3058\u308b\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n

\n\n\n\n\n\n\n\n
\u7d20\u6750\u30bf\u30a4\u30d7<\/th>\n\u30d9\u30b9\u30c8\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n\u76f8\u5bfe\u30b3\u30b9\u30c8<\/th>\n\u6700\u9ad8\u6e29\u5ea6\u5b9a\u683c<\/th>\n<\/tr>\n<\/thead>\n
\u30a2\u30eb\u30df\u30ca<\/td>\n\u4e00\u822c\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020<\/td>\n\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/td>\n1000\u00b0C<\/td>\n<\/tr>\n
\u70ad\u5316\u30b1\u30a4\u7d20<\/td>\n\u9ad8\u30b7\u30ea\u30b3\u30f3\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5408\u91d1<\/td>\n1.3-1.5x<\/td>\n1400\u00b0C<\/td>\n<\/tr>\n
\u30b8\u30eb\u30b3\u30cb\u30a2\u8907\u5408\u6750<\/td>\n\u92f3\u8fbc\u307f\u6642\u9593\u306e\u5ef6\u9577\u3001\u9ad8\u786c\u5ea6\u5408\u91d1<\/td>\n1.8-2.2x<\/td>\n1650\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u767a\u6ce1\u4f53\u5185\u90e8\u3067\u5b9f\u969b\u306b\u3069\u306e\u3088\u3046\u306a\u308d\u904e\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b<\/h2>\n

\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u306b\u3088\u308b\u6eb6\u878d\u91d1\u5c5e\u306e\u308d\u904e\u306f\u30012\u3064\u306e\u7570\u306a\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u540c\u6642\u306b\u4f5c\u7528\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u4e21\u65b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u300140 PPI\u304c\u3001\u305d\u308c\u3088\u308a\u7c97\u3044\u3082\u306e\u3084\u7d30\u304b\u3044\u3082\u306e\u3068\u306f\u7570\u306a\u308b\u6027\u80fd\u3092\u793a\u3059\u7406\u7531\u3092\u8aac\u660e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u6a5f\u68b0\u5f0f\u3075\u308b\u3044\u5206\u3051<\/strong>\u00a0\u3053\u308c\u306f\u3001\u7c92\u5b50\u5f84\u304c\u7d30\u5b54\u5f84\u3088\u308a\u3082\u5927\u304d\u3044\u3068\u7269\u7406\u7684\u306b\u901a\u904e\u3067\u304d\u306a\u3044\u7d30\u5b54\u306e\u958b\u53e3\u90e8\u3067\u8d77\u3053\u308b\u3002\u3053\u306e\u5358\u7d14\u660e\u5feb\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001\u8010\u706b\u7269\u306e\u7834\u7247\u3001\u9178\u5316\u88ab\u819c\u3001\u304a\u3088\u3073\u5927\u304d\u306a\u91d1\u5c5e\u9593\u5316\u5408\u7269\u3068\u3044\u3063\u305f\u5927\u304d\u306a\u6df7\u5165\u7269\u304c\u6355\u6349\u3055\u308c\u308b\u3002.<\/p>\n

\u6df1\u5c64\u308d\u904e<\/strong>\u00a0\u3053\u308c\u306f\u3001\u767a\u6ce1\u4f53\u306e\u69cb\u9020\u304c\u6301\u3064\u5165\u308a\u7d44\u3093\u3060\u5185\u90e8\u7d4c\u8def\u5168\u4f53\u3067\u767a\u751f\u3059\u308b\u3002\u6eb6\u878d\u7269\u304c\u3001\u76f8\u4e92\u306b\u9023\u7d50\u3057\u305f\u652f\u67f1\u3068\u7a93\u304b\u3089\u306a\u308b\u4e09\u6b21\u5143\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u969b\u3001\u3088\u308a\u5c0f\u3055\u306a\u7c92\u5b50\u304c\u7d30\u5b54\u58c1\u306b\u885d\u7a81\u3057\u3001\u8868\u9762\u5f35\u529b\u306e\u4f5c\u7528\u3084\u30d5\u30a1\u30f3\u30c7\u30eb\u30ef\u30fc\u30eb\u30b9\u529b\u306b\u3088\u3063\u3066\u4ed8\u7740\u3059\u308b\u3002 \u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001\u516c\u79f0\u7d30\u5b54\u5f84\u3088\u308a\u3082\u304b\u306a\u308a\u5c0f\u3055\u3044\u7c92\u5b50\u3082\u6355\u6349\u3055\u308c\u308b\u305f\u3081\u300140 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u3001\u305d\u306e0.6\uff5e0.8mm\u3068\u3044\u3046\u7d30\u5b54\u5f84\u3092\u306f\u308b\u304b\u306b\u4e0b\u56de\u308b\u4e0d\u7d14\u7269\u3092\u9664\u53bb\u3067\u304d\u308b\u7406\u7531\u304c\u8aac\u660e\u3055\u308c\u308b\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u901a\u308b\u6d41\u52d5\u6319\u52d5\u3082\u3001\u6c88\u964d\u52b9\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u767a\u6ce1\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u62b5\u6297\u3092\u901a\u904e\u3059\u308b\u969b\u306b\u6eb6\u878d\u7269\u306e\u6d41\u901f\u304c\u4f4e\u4e0b\u3059\u308b\u3068\u3001\u5bc6\u5ea6\u306e\u9055\u3044\u306b\u3088\u308a\u3001\u4e00\u90e8\u306e\u91cd\u3044\u6df7\u5165\u7269\u304c\u7d30\u5b54\u69cb\u9020\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u6c88\u964d\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u9078\u5b9a\u3068\u540c\u69d8\u306b\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u8a2d\u8a08\u3084\u30b2\u30fc\u30c8\u306e\u914d\u7f6e\u304c\u91cd\u8981\u3068\u306a\u308b\u7406\u7531\u306e\u4e00\u3064\u3067\u3059\u3002.<\/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

\"\u6eb6\u878d\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u6ffe\u904e\u7528\u306e\u5747\u4e00\u306a\u30aa\u30fc\u30d7\u30f3\u30bb\u30eb\u591a\u5b54\u8cea\u69cb\u9020\u3092\u793a\u3059\u3001\u30ea\u30f3\u9178\u5869\u3092\u542b\u307e\u306a\u3044\u30a2\u30eb\u30df\u30ca\u30bb\u30e9\u30df\u30c3\u30af\u767a\u6ce1\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u5fae\u7d30\u69cb\u9020\"
\u6eb6\u878d\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u6ffe\u904e\u7528\u306e\u5747\u4e00\u306a\u30aa\u30fc\u30d7\u30f3\u30bb\u30eb\u591a\u5b54\u8cea\u69cb\u9020\u3092\u793a\u3059\u3001\u30ea\u30f3\u9178\u5869\u3092\u542b\u307e\u306a\u3044\u30a2\u30eb\u30df\u30ca\u30bb\u30e9\u30df\u30c3\u30af\u767a\u6ce1\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u5fae\u7d30\u69cb\u9020<\/figcaption><\/figure>\n

40 PPI\u3068\u4ed6\u306e\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9\u3068\u306e\u6bd4\u8f03<\/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
PPI\u30b0\u30ec\u30fc\u30c9<\/th>\n\u30dd\u30a2\u30b5\u30a4\u30ba (mm)<\/th>\n\u6d41\u91cf<\/th>\n\u308d\u904e\u306e\u7d30\u304b\u3055<\/th>\n\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n
10 PPI<\/td>\n2.3-3.0<\/td>\n\u975e\u5e38\u306b\u9ad8\u3044<\/td>\n\u7c97\u3044<\/td>\n\u7c97\u30b9\u30e9\u30b0\u306e\u9664\u53bb\u3001\u91cd\u529b\u92f3\u9020<\/td>\n<\/tr>\n
20 PPI<\/td>\n1.2-1.5<\/td>\n\u9ad8\u3044<\/td>\n\u4e2d\uff5e\u7c97\u3081<\/td>\n\u4e00\u822c\u7802\u578b\u92f3\u9020<\/td>\n<\/tr>\n
30 PPI<\/a><\/td>\n0.8-1.0<\/td>\n\u30df\u30c7\u30a3\u30a2\u30e0-\u30cf\u30a4<\/td>\n\u30df\u30c7\u30a3\u30a2\u30e0<\/td>\n\u81ea\u52d5\u8eca\u90e8\u54c1<\/td>\n<\/tr>\n
40 PPI<\/td>\n0.6-0.8<\/td>\n\u30df\u30c7\u30a3\u30a2\u30e0<\/td>\n\u4e2d\uff5e\u7d30<\/td>\n\u30db\u30a4\u30fc\u30eb\u3001\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u3001LPDC<\/td>\n<\/tr>\n
50 PPI<\/td>\n0.4-0.5<\/td>\n\u30df\u30c7\u30a3\u30a2\u30e0-\u30ed\u30fc<\/td>\n\u3044\u3044\u3067\u3059\u3088<\/td>\n\u9ad8\u4fe1\u983c\u6027\u306e\u92f3\u7269<\/td>\n<\/tr>\n
60 PPI<\/td>\n0.3-0.4<\/td>\n\u4f4e\u3044<\/td>\n\u6975\u4e0a<\/td>\n\u822a\u7a7a\u5b87\u5b99\u3001\u91cd\u8981\u69cb\u9020\u90e8\u54c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u5f53\u793e\u306e\u751f\u7523\u8a66\u9a13\u306e\u7d4c\u9a13\u306b\u3088\u308c\u3070\u3001PPI\u309230\u304b\u308940\u306b\u5f15\u304d\u4e0b\u3052\u308b\u3068\u3001\u901a\u5e38\u3001\u6d41\u91cf\u306f15\uff5e20%\u6e1b\u5c11\u3059\u308b\u4e00\u65b9\u3067\u3001\u4e0d\u7d14\u7269\u6355\u6349\u52b9\u7387\u306f\u540c\u7a0b\u5ea6\u306e\u5272\u5408\u3067\u5411\u4e0a\u3057\u307e\u3059\u3002 \u30b9\u30c6\u30a2\u30ea\u30f3\u30b0\u30ca\u30c3\u30af\u30eb\u3084\u30db\u30a4\u30fc\u30eb\u30cf\u30d6\u306a\u3069\u306e\u5b89\u5168\u4e0a\u91cd\u8981\u306a\u90e8\u54c1\u3092\u88fd\u9020\u3059\u308b\u92f3\u9020\u5de5\u5834\u3067\u306f\u3001\u4e00\u822c\u7684\u306b\u300140 PPI\u3067\u3042\u308c\u3070\u3001\u91d1\u578b\u5145\u586b\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3088\u3046\u306a\u904e\u5ea6\u306a\u80cc\u5727\u3092\u751f\u3058\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u5fc5\u8981\u306a\u54c1\u8cea\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\"10PPI
10PPI 20PPI 30PPI \u30bb\u30e9\u30df\u30c3\u30af\u30fb\u30d5\u30a9\u30fc\u30e0\u30fb\u30d5\u30a3\u30eb\u30bf\u30fc<\/figcaption><\/figure>\n

\u3055\u307e\u3056\u307e\u306a\u5408\u91d1\u7cfb\u306b\u304a\u3051\u308b\u5fdc\u7528<\/h2>\n

\u30a2\u30eb\u30df\u30db\u30a4\u30fc\u30eb\u306e\u88fd\u9020<\/strong><\/p>\n

\u30db\u30a4\u30fc\u30eb\u92f3\u9020\u306f\u3001\u304a\u305d\u3089\u304f\u4e16\u754c\u7684\u306b\u898b\u306640 PPI\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u6700\u5927\u306e\u7528\u9014\u3067\u3042\u308b\u3002\u81ea\u52d5\u8eca\u7528\u30db\u30a4\u30fc\u30eb\u306b\u306f\u3001\u69cb\u9020\u7684\u5f37\u5ea6\u3068\u8868\u9762\u4ed5\u4e0a\u3052\u54c1\u8cea\u306e\u4e21\u65b9\u304c\u6c42\u3081\u3089\u308c\u308b\u3002\u306a\u305c\u306a\u3089\u3001\u5b8c\u6210\u3057\u305f\u30db\u30a4\u30fc\u30eb\u306e\u76ee\u306b\u898b\u3048\u308b\u8868\u9762\u4ed8\u8fd1\u306b\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u4e0d\u7d14\u7269\u306f\u3001\u5916\u89b3\u4e0a\u304a\u3088\u3073\u5b89\u5168\u4e0a\u306e\u7406\u7531\u304b\u3089\u4e0d\u826f\u54c1\u3068\u3057\u3066\u6392\u9664\u3055\u308c\u308b\u539f\u56e0\u3068\u306a\u308b\u304b\u3089\u3067\u3042\u308b\u3002 \u4f4e\u5727\u30c0\u30a4\u30ab\u30b9\u30c8\u65b9\u5f0f\u306e\u30db\u30a4\u30fc\u30eb\u88fd\u9020\u5de5\u5834\u3067\u306f\u3001\u901a\u5e38\u300140 PPI\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u30e9\u30a4\u30b6\u30fc\u30c1\u30e5\u30fc\u30d6\u306e\u57fa\u90e8\u307e\u305f\u306f\u30e9\u30f3\u30ca\u30fc\u30b7\u30b9\u30c6\u30e0\u5185\u306b\u8a2d\u7f6e\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u304a\u3088\u3073\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u92f3\u9020<\/strong><\/p>\n

\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u306f\u3001\u305d\u306e\u8010\u7528\u671f\u9593\u3092\u901a\u3058\u3066\u71b1\u30b5\u30a4\u30af\u30eb\u3084\u5727\u529b\u8ca0\u8377\u306b\u3055\u3089\u3055\u308c\u308b\u305f\u3081\u3001\u5185\u90e8\u306e\u6c17\u5b54\u3084\u4ecb\u5728\u7269\u306f\u7279\u306b\u5371\u967a\u3067\u3059\u3002\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30f3\u92f3\u9020\u30e1\u30fc\u30ab\u30fc\u306f\u3001A319\u304a\u3088\u3073A356\u5408\u91d1\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u3001\u6a19\u6e96\u7684\u306a\u308d\u904e\u7b49\u7d1a\u3068\u3057\u306640 PPI\u3092\u6307\u5b9a\u3057\u3066\u304a\u308a\u3001\u91cd\u8981\u306a\u71c3\u713c\u5ba4\u90e8\u5206\u306b\u3064\u3044\u3066\u306f50 PPI\u306b\u5f15\u304d\u4e0a\u3052\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u81ea\u52d5\u8eca\u7528\u69cb\u9020\u92f3\u7269<\/strong><\/p>\n

\u81ea\u52d5\u8eca\u30e1\u30fc\u30ab\u30fc\u304c\u92fc\u6750\u306b\u4ee3\u308f\u308b\u8efd\u91cf\u306a\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u69cb\u9020\u306e\u63a1\u7528\u3092\u63a8\u9032\u3059\u308b\u4e2d\u3001\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u90e8\u54c1\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30a2\u30fc\u30e0\u3001\u30b5\u30d6\u30d5\u30ec\u30fc\u30e0\u306e\u92f3\u9020\u54c1\u306b\u304a\u3044\u3066\u300140 PPI\u306e\u308d\u904e\u304c\u307e\u3059\u307e\u3059\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7528\u9014\u3067\u306f\u3001\u92f3\u9020\u54c1\u5168\u4f53\u3092\u901a\u3058\u3066\u4e00\u8cab\u3057\u305f\u6a5f\u68b0\u7684\u7279\u6027\u304c\u6c42\u3081\u3089\u308c\u3001\u305d\u306e\u305f\u3081\u306b\u306f\u4e0d\u7d14\u7269\u306e\u5fb9\u5e95\u7684\u306a\u9664\u53bb\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u7802\u578b\u92f3\u9020\u306e\u7528\u9014<\/strong><\/p>\n

\u4e2d\u7a0b\u5ea6\u306e\u8907\u96d1\u5ea6\u3092\u6301\u3064\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u90e8\u54c1\u306e\u88fd\u9020\u306b\u304a\u3044\u3066\u3001\u30b0\u30ea\u30fc\u30f3\u30b5\u30f3\u30c9\u578b\u3084\u6a39\u8102\u7d50\u5408\u7802\u578b\u306b\u306f\u300140 PPI\u306e\u308d\u904e\u304c\u6709\u52b9\u3067\u3059\u3002\u308d\u904e\u5668\u306f\u901a\u5e38\u3001\u30b2\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0\u5185\u306b\u8a2d\u7f6e\u3055\u308c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u91d1\u5c5e\u306e\u6d41\u308c\u65b9\u5411\u306b\u5782\u76f4\u306b\u306a\u308b\u3088\u3046\u914d\u7f6e\u3055\u308c\u305f\u3001\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u305f\u308d\u904e\u7528\u91d1\u578b\u30ad\u30e3\u30d3\u30c6\u30a3\u5185\u306b\u53ce\u3081\u3089\u308c\u307e\u3059\u3002.<\/p>\n

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

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u53d6\u308a\u4ed8\u3051\u3092\u6b63\u3057\u304f\u884c\u3048\u3070\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u73fe\u5834\u8a2a\u554f\u6642\u306b\u906d\u9047\u3059\u308b\u308d\u904e\u306b\u95a2\u9023\u3059\u308b\u92f3\u9020\u6b20\u9665\u306e\u5927\u90e8\u5206\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u30d7\u30ea\u30f3\u30c8\u306e\u30c7\u30b6\u30a4\u30f3<\/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

\u4e88\u71b1\u306b\u95a2\u3059\u308b\u6ce8\u610f\u4e8b\u9805<\/strong><\/p>\n

\u9ad8\u6e29\u306e\u30b2\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0\u306b\u51b7\u305f\u3044\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u6295\u5165\u3059\u308b\u3068\u3001\u71b1\u885d\u6483\u306e\u30ea\u30b9\u30af\u304c\u751f\u3058\u308b\u307b\u304b\u3001\u6eb6\u878d\u30d5\u30ed\u30f3\u30c8\u306e\u4e00\u90e8\u304c\u5c40\u6240\u7684\u306b\u51cd\u7d50\u3057\u3001\u30df\u30b9\u30e9\u30f3\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0\u304c\u8a31\u3059\u9650\u308a\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u633f\u5165\u3059\u308b\u524d\u306b\u5c11\u306a\u304f\u3068\u3082150\uff5e200\u00b0C\u307e\u3067\u4e88\u71b1\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u304c\u3001\u71b1\u885d\u6483\u8010\u6027\u3092\u5099\u3048\u305f\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u591a\u304f\u306e\u5927\u91cf\u751f\u7523\u73fe\u5834\u3067\u306f\u3053\u306e\u5de5\u7a0b\u3092\u7701\u7565\u3057\u3066\u3082\u554f\u984c\u306a\u304f\u7a3c\u50cd\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u6d41\u308c\u306e\u65b9\u5411\u3068\u5411\u304d<\/strong><\/p>\n

\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3069\u3061\u3089\u306e\u6d41\u308c\u65b9\u5411\u3067\u3082\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001\u4e88\u6e2c\u53ef\u80fd\u306a\u6d41\u91cf\u3092\u7b97\u51fa\u3059\u308b\u306b\u306f\u4e00\u8cab\u6027\u304c\u91cd\u8981\u3067\u3059\u3002\u7d30\u5b54\u69cb\u9020\u306e\u308f\u305a\u304b\u306a\u88fd\u9020\u4e0a\u306e\u3070\u3089\u3064\u304d\u306b\u3088\u3063\u3066\u3001\u6d41\u308c\u306e\u7279\u6027\u306b\u308f\u305a\u304b\u306a\u975e\u5bfe\u79f0\u6027\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7121\u4f5c\u70ba\u306b\u8a2d\u7f6e\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u751f\u7523\u5de5\u7a0b\u5168\u4f53\u3092\u901a\u3058\u3066\u6a19\u6e96\u7684\u306a\u914d\u7f6e\u3092\u5b9a\u3081\u3001\u305d\u308c\u3092\u7dad\u6301\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u30d5\u30a1\u30fc\u30b9\u30c8\u30d5\u30ed\u30fc\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/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

\"\u9069\u5207\u306appi\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u9078\u3076\"
\u9069\u5207\u306appi\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u9078\u3076<\/figcaption><\/figure>\n

\u3088\u304f\u3042\u308b\u554f\u984c\u3068\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n

\u6ce8\u304e\u8fbc\u307f\u4e2d\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u7834\u640d<\/strong><\/p>\n

\u3053\u308c\u306f\u901a\u5e38\u3001\u6b21\u306e3\u3064\u306e\u539f\u56e0\u306b\u8d77\u56e0\u3057\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u6ce8\u304e\u8fbc\u307f\u9ad8\u3055\u304c\u904e\u5927\u3067\u3042\u308b\u305f\u3081\u306b\u885d\u6483\u5fdc\u529b\u304c\u751f\u3058\u308b\u3053\u3068\u3001\u6210\u5f62\u30ad\u30e3\u30d3\u30c6\u30a3\u5185\u3067\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u56fa\u5b9a\u304c\u4e0d\u5341\u5206\u3067\u3042\u308b\u3053\u3068\u3001\u3042\u308b\u3044\u306f\u305d\u306e\u7528\u9014\u306b\u5bfe\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f4e\u6e29\u5727\u7e2e\u5f37\u5ea6\u304c\u4e0d\u5341\u5206\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u5f0a\u793e\u3067\u306f\u4e00\u822c\u7684\u306b\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u771f\u4e0a\u306b\u304a\u3051\u308b\u81ea\u7531\u843d\u4e0b\u6ce8\u304e\u8fbc\u307f\u9ad8\u3055\u3092100mm\u672a\u6e80\u306b\u6291\u3048\u308b\u3053\u3068\u3001\u304a\u3088\u3073\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304c\u63d0\u793a\u3059\u308b\u5727\u7e2e\u5f37\u5ea6\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u306f\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4e0a\u306e\u4ed5\u69d8\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306e\u8a66\u9a13\u8a3c\u660e\u66f8\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u65e9\u671f\u76ee\u8a70\u307e\u308a<\/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

\u30d5\u30a3\u30eb\u30bf\u30fc\u9593\u306e\u6d41\u91cf\u306e\u3070\u3089\u3064\u304d<\/strong><\/p>\n

\u30ed\u30c3\u30c8\u9593\u306e\u6d41\u91cf\u7279\u6027\u306e\u3070\u3089\u3064\u304d\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u88fd\u9020\u306b\u304a\u3051\u308b\u54c1\u8cea\u7ba1\u7406\u306e\u4e0d\u5099\u306b\u8d77\u56e0\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u30ed\u30c3\u30c8\u3068\u95a2\u9023\u3057\u3066\u539f\u56e0\u4e0d\u660e\u306e\u92f3\u9020\u6b20\u9665\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u5727\u529b\u640d\u5931\u8a66\u9a13\u30c7\u30fc\u30bf\u306e\u63d0\u4f9b\u3092\u4f9d\u983c\u3057\u3001\u5165\u8377\u691c\u67fb\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5b9f\u65bd\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u4fb5\u98df\u3068\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u52a3\u5316<\/strong><\/p>\n

\u6ce8\u6e6f\u6642\u9593\u306e\u5ef6\u9577\u3084\u3001\u898f\u5b9a\u5024\u3092\u8d85\u3048\u308b\u6ce8\u6e6f\u6e29\u5ea6\u306f\u3001\u7279\u306b\u6a19\u6e96\u7684\u306a\u30a2\u30eb\u30df\u30ca\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u304a\u3044\u3066\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4fb5\u98df\u3092\u52a0\u901f\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u5146\u5019\u3068\u3057\u3066\u306f\u3001\u6eb6\u6e6f\u63a5\u89e6\u9762\u4ed8\u8fd1\u306e\u7d30\u5b54\u69cb\u9020\u306e\u62e1\u5927\u3084\u3001\u6ce8\u6e6f\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u5897\u52a0\u3059\u308b\u4ecb\u5728\u7269\u306e\u30ec\u30d9\u30eb\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 \u6a19\u6e96\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8010\u7528\u6642\u9593\u3092\u8d85\u3048\u308b\u6ce8\u6e6f\u6642\u9593\u304c\u767a\u751f\u3059\u308b\u7528\u9014\u3067\u306f\u3001\u70ad\u5316\u30b1\u30a4\u7d20\u307e\u305f\u306f\u30b8\u30eb\u30b3\u30cb\u30a2\u8907\u5408\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u6a19\u6e96\u30b5\u30a4\u30ba\u304a\u3088\u3073\u5f62\u72b6\u3092\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059<\/h2>\n
\n\n\n\n\n\n\n\n
\u5f62\u72b6<\/th>\n\u4e00\u822c\u7684\u306a\u5bf8\u6cd5<\/th>\n\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n
\u30e9\u30a6\u30f3\u30c9<\/td>\n\u76f4\u5f8450mm\u300160mm\u300170mm\u300180mm\u300190mm\u3001100mm\u3001125mm\u3001150mm<\/td>\n\u30e9\u30a4\u30b6\u30fc\u308d\u904e\u3001\u91cd\u529b\u92f3\u9020<\/td>\n<\/tr>\n
\u6b63\u65b9\u5f62<\/td>\n50\u00d750mm\uff5e230\u00d7230mm<\/td>\n\u7802\u578b\u92f3\u9020\u7528\u30b2\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0<\/td>\n<\/tr>\n
\u9577\u65b9\u5f62<\/td>\n\u30b2\u30fc\u30c8\u306e\u8a2d\u8a08\u306b\u57fa\u3065\u304f\u30ab\u30b9\u30bf\u30e0\u30b5\u30a4\u30ba<\/td>\n\u5927\u91cf\u751f\u7523\u30e9\u30a4\u30f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u3059\u3079\u3066\u306e\u5f62\u72b6\u306b\u304a\u3051\u308b\u539a\u3055\u306f\u3001\u4e00\u822c\u7684\u306b15mm\u304b\u308950mm\u306e\u7bc4\u56f2\u3067\u3042\u308a\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u7528\u9014\u3067\u306f22mm\u304c\u6700\u3082\u4e00\u822c\u7684\u306a\u5728\u5eab\u30b5\u30a4\u30ba\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30e1\u30fc\u30ab\u30fc\u3067\u7279\u6ce8\u30b5\u30a4\u30ba\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u975e\u6a19\u6e96\u30b5\u30a4\u30ba\u306e\u6700\u4f4e\u6ce8\u6587\u6570\u91cf\u306f\u3001\u901a\u5e38\u3001\u6a19\u6e96\u30ab\u30bf\u30ed\u30b0\u30b5\u30a4\u30ba\u3088\u308a\u3082\u591a\u304f\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u54c1\u8cea\u691c\u8a3c\u304a\u3088\u3073\u8a66\u9a13\u57fa\u6e96<\/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

\u4f4e\u6e29\u5727\u7e2e\u5f37\u5ea6\u8a66\u9a13\u306f\u3001ASTM C133\u3068\u540c\u69d8\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u884c\u308f\u308c\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u7834\u65ad\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u5727\u7e2e\u529b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u8010\u71b1\u885d\u6483\u6027\u8a66\u9a13\u3067\u306f\u3001\u901a\u5e38\u3001\u8a66\u9a13\u7247\u3092\u52d5\u4f5c\u6e29\u5ea6\u307e\u3067\u52a0\u71b1\u3057\u305f\u5f8c\u3001\u6025\u51b7\u3092\u884c\u3044\u3001\u4e80\u88c2\u306e\u767a\u751f\u3084\u69cb\u9020\u7684\u7834\u640d\u304c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/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

\u691c\u67fb\u6280\u8853\u306e\u9032\u6b69\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u76ee\u8996\u691c\u67fb\u306f\u4f9d\u7136\u3068\u3057\u3066\u9a5a\u304f\u307b\u3069\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8868\u9762\u306b\u306f\u3001\u76ee\u306b\u898b\u3048\u308b\u3072\u3073\u5272\u308c\u3001\u6b20\u3051\u3001\u307e\u305f\u306f\u5bc6\u5ea6\u306e\u3070\u3089\u3064\u304d\u304c\u306a\u304f\u3001\u5b54\u306e\u5206\u5e03\u304c\u5747\u4e00\u3067\u3042\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u8272\u8abf\u306e\u4e00\u8cab\u6027\u306f\u3001\u88fd\u9020\u6642\u306e\u713c\u6210\u6e29\u5ea6\u7ba1\u7406\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u8272\u3080\u3089\u306f\u7aaf\u5185\u306e\u72b6\u614b\u304c\u4e00\u5b9a\u3067\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u5506\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u4fdd\u7ba1\u304a\u3088\u3073\u53d6\u308a\u6271\u3044\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h2>\n

\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u305d\u306e\u898b\u305f\u76ee\u3088\u308a\u3082\u58ca\u308c\u3084\u3059\u3044\u305f\u3081\u3001\u4e0d\u9069\u5207\u306a\u4fdd\u7ba1\u306b\u3088\u3063\u3066\u3001\u591a\u304f\u306e\u54c1\u8cea\u7ba1\u7406\u62c5\u5f53\u8005\u304c\u8a8d\u8b58\u3057\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u73fe\u5834\u3067\u306e\u6545\u969c\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u6e29\u5ea6\u5909\u5316\u306e\u5c11\u306a\u3044\u4e7e\u71e5\u3057\u305f\u74b0\u5883\u3067\u3001\u5143\u306e\u68b1\u5305\u306e\u307e\u307e\u4fdd\u7ba1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30bb\u30e9\u30df\u30c3\u30af\u69cb\u9020\u306b\u6e7f\u6c17\u304c\u5438\u53ce\u3055\u308c\u308b\u3068\u3001\u4e88\u71b1\u6642\u3084\u91d1\u5c5e\u3068\u306e\u6700\u521d\u306e\u63a5\u89e6\u6642\u306b\u84b8\u6c17\u304c\u767a\u751f\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3072\u3073\u5272\u308c\u304c\u751f\u3058\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u4fdd\u7ba1\u5bb9\u5668\u306e\u5e95\u306b\u3042\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u62bc\u3057\u3064\u3076\u3055\u308c\u3066\u640d\u50b7\u3059\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u7a4d\u307f\u91cd\u306d\u308b\u9ad8\u3055\u306f\u9069\u5207\u306b\u5236\u9650\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u306b\u3001\u5927\u578b\u306e\u6b63\u65b9\u5f62\u3084\u9577\u65b9\u5f62\u306e\u5f62\u72b6\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3064\u3044\u3066\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u8868\u9762\u3092\u62bc\u3055\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7e01\u3092\u6301\u3063\u3066\u53d6\u308a\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u6307\u3067\u5727\u529b\u3092\u304b\u3051\u308b\u3068\u3001\u305f\u3068\u3048\u786c\u304f\u898b\u3048\u3066\u3082\u3001\u7e4a\u7d30\u306a\u767a\u6ce1\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u304c\u5727\u7e2e\u3055\u308c\u3066\u640d\u50b7\u3059\u308b\u6050\u308c\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u5927\u91cf\u751f\u7523\u3092\u884c\u3046\u92f3\u9020\u6240\u3067\u306f\u3001\u624b\u4f5c\u696d\u3067\u8868\u9762\u306b\u89e6\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u4fdd\u7ba1\u5834\u6240\u304b\u3089\u30d5\u30a3\u30eb\u30bf\u30fc\u6210\u5f62\u6a5f\u307e\u3067\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u642c\u9001\u3059\u308b\u305f\u3081\u306e\u5c02\u7528\u306e\u642c\u9001\u6cbb\u5177\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u74b0\u5883\u9762\u304a\u3088\u3073\u30b3\u30b9\u30c8\u9762\u306e\u8003\u616e\u4e8b\u9805<\/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

\u305f\u3060\u3057\u3001\u30b3\u30b9\u30c8\u8a08\u7b97\u306b\u306f\u3001\u30b9\u30af\u30e9\u30c3\u30d7\u7387\u306e\u4f4e\u6e1b\u306b\u3088\u308b\u4e0b\u6d41\u5de5\u7a0b\u3067\u306e\u30b3\u30b9\u30c8\u524a\u6e1b\u5206\u3082\u8003\u616e\u306b\u5165\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300230 PPI\u304b\u3089\u9069\u5207\u306b\u5c0e\u5165\u3055\u308c\u305f40 PPI\u306e\u308d\u904e\u30b7\u30b9\u30c6\u30e0\u306b\u5207\u308a\u66ff\u3048\u305f\u92f3\u9020\u5de5\u5834\u3067\u306f\u3001\u4ecb\u5728\u7269\u306b\u654f\u611f\u306a\u92f3\u7269\u306b\u304a\u3044\u3066\u3001\u4e00\u822c\u7684\u306b1\uff5e3%\u306e\u30b9\u30af\u30e9\u30c3\u30d7\u7387\u4f4e\u6e1b\u304c\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u3001\u59a5\u5f53\u306a\u751f\u7523\u91cf\u3067\u3042\u308c\u3070\u3001\u308d\u904e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4fa1\u683c\u5dee\u3092\u6570\u500d\u4e0a\u56de\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002.<\/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

\"\u6eb6\u878d\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020\u7528\u9014\u5411\u3051
\u6eb6\u878d\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020\u7528\u9014\u5411\u3051 AdTech \u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8a8d\u8a3c\u8a3c\u660e\u66f8<\/figcaption><\/figure>\n

\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

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

\u4e3b\u306a\u9055\u3044\u306f\u3001\u5b54\u5f84\u3068\u3001\u305d\u308c\u306b\u3088\u308b\u308d\u904e\u306e\u7d30\u304b\u3055\u306b\u3042\u308a\u307e\u3059\u3002 40 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u5b54\u5f84\u304c\u5927\u304d\u304f\uff080.6\uff5e0.8mm\uff09\u3001\u6d41\u91cf\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u308d\u904e\u7cbe\u5ea6\u306f\u3084\u3084\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u300150 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u5b54\u5f84\u304c\u5c0f\u3055\u304f\uff080.4\uff5e0.5mm\uff09\u3001\u3088\u308a\u5fae\u7d30\u306a\u4e0d\u7d14\u7269\u3092\u6355\u6349\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u4ee3\u511f\u3068\u3057\u3066\u6d41\u91cf\u304c\u4f4e\u4e0b\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u4e21\u7aef\u306e\u5727\u529b\u640d\u5931\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n

40 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u92f3\u9244\u88fd\u306e\u7528\u9014\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/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

40 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u30011\u56de\u306e\u6ce8\u304e\u8fbc\u307f\u306b\u304a\u3044\u3066\u3069\u306e\u304f\u3089\u3044\u306e\u6642\u9593\u3001\u305d\u306e\u52b9\u679c\u3092\u7dad\u6301\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n

\u5b9f\u969b\u306e\u8010\u7528\u5e74\u6570\u306f\u3001\u6eb6\u878d\u7269\u306e\u6e05\u6d44\u5ea6\u3084\u6ce8\u5165\u91cf\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u6a19\u6e96\u7684\u306a40 PPI\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u5834\u5408\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30b5\u30a4\u30ba\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u901a\u5e38\u300150kg\u304b\u3089500kg\u306e\u7bc4\u56f2\u306e\u6ce8\u5165\u306b\u5bfe\u5fdc\u3067\u304d\u3001\u305d\u306e\u5f8c\u3001\u9855\u8457\u306a\u6d41\u91cf\u4f4e\u4e0b\u304c\u898b\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4e0d\u7d14\u7269\u306e\u591a\u3044\u6eb6\u878d\u7269\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3053\u306e\u51e6\u7406\u80fd\u529b\u306f\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u3002.<\/p>\n

\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u4f7f\u7528\u524d\u306b\u3069\u306e\u3088\u3046\u306a\u539f\u56e0\u3067\u3072\u3073\u5272\u308c\u304c\u751f\u3058\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n

\u4f7f\u7528\u524d\u306e\u3072\u3073\u5272\u308c\u306f\u3001\u901a\u5e38\u3001\u8f38\u9001\u3084\u53d6\u308a\u6271\u3044\u4e2d\u306e\u6a5f\u68b0\u7684\u640d\u50b7\u3001\u4e88\u71b1\u6642\u306e\u5438\u6e7f\u306b\u3088\u308b\u5185\u90e8\u5fdc\u529b\u306e\u767a\u751f\u3001\u3042\u308b\u3044\u306f\u713c\u6210\u6761\u4ef6\u306e\u4e0d\u5747\u4e00\u306b\u8d77\u56e0\u3059\u308b\u88fd\u9020\u4e0a\u306e\u6b20\u9665\u306b\u3088\u3063\u3066\u751f\u3058\u307e\u3059\u3002\u9069\u5207\u306a\u4fdd\u7ba1\u3068\u4e01\u5be7\u306a\u53d6\u308a\u6271\u3044\u306b\u3088\u308a\u3001\u4f7f\u7528\u524d\u306e\u4e0d\u5177\u5408\u306e\u307b\u3068\u3093\u3069\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

40 PPI\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u306f\u3001\u5fc5\u305a\u4e88\u71b1\u304c\u5fc5\u8981\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/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

\u306a\u305c\u3001\u751f\u7523\u30ed\u30c3\u30c8\u306e\u7d42\u76e4\u306b\u306a\u308b\u3068\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4e0d\u9069\u5408\u7387\u304c\u9ad8\u304f\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n

\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u901a\u5e38\u3001\u9577\u6642\u9593\u306e\u71b1\u66b4\u9732\u306b\u3088\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u6f38\u9032\u7684\u306a\u52a3\u5316\u3001\u3042\u308b\u3044\u306f\u7a3c\u50cd\u4e2d\u306b\u84c4\u7a4d\u3057\u305f\u4e0d\u7d14\u7269\u306b\u3088\u308b\u5b54\u306e\u6f38\u9032\u7684\u306a\u9589\u585e\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4ea4\u63db\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u6642\u9593\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u7dcf\u51e6\u7406\u91cf\u306b\u57fa\u3065\u3044\u3066\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u7570\u306a\u308b\u30e1\u30fc\u30ab\u30fc\u306e40\u7a2e\u985e\u306ePPI\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u3059\u3079\u3066\u540c\u3058\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n

\u3044\u3044\u3048\u3001PPI\u8a55\u4fa1\u304c\u540c\u4e00\u3067\u3042\u3063\u3066\u3082\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u3088\u3063\u3066\u88fd\u9020\u54c1\u8cea\u306b\u306f\u5927\u304d\u306a\u3070\u3089\u3064\u304d\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u7d30\u5b54\u5f84\u5206\u5e03\u3001\u6750\u6599\u7d44\u6210\u3001\u88fd\u9020\u306e\u4e00\u8cab\u6027\u306f\u3044\u305a\u308c\u3082\u5b9f\u969b\u306e\u6027\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001\u5927\u91cf\u8cfc\u5165\u3092\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u9069\u683c\u6027\u8a66\u9a13\u3092\u884c\u3046\u3053\u3068\u306f\u6709\u610f\u7fa9\u3067\u3059\u3002.<\/p>\n

40 PPI\u306e\u308d\u904e\u304c\u6700\u3082\u52b9\u679c\u7684\u306a\u5408\u91d1\u306e\u7a2e\u985e\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/strong><\/p>\n

A356\u3001A357\u3001A380\u30b7\u30ea\u30fc\u30ba\u306e\u5408\u91d1\u306a\u3069\u3001\u81ea\u52d5\u8eca\u306e\u69cb\u9020\u90e8\u54c1\u3084\u5b89\u5168\u4e0a\u91cd\u8981\u306a\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u92f3\u9020\u5408\u91d1\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u3089\u306e\u7528\u9014\u3067\u6c42\u3081\u3089\u308c\u308b\u6d41\u52d5\u7279\u6027\u3068\u4ecb\u5728\u7269\u9664\u53bb\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u3001\u4e00\u822c\u7684\u306b40 PPI\u304c\u6a19\u6e96\u7684\u306a\u308d\u904e\u7b49\u7d1a\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u5f62\u72b6\u306e\u9078\u629e\u306f\u3001\u92f3\u9020\u54c1\u8cea\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n

\u5186\u5f62\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u91cd\u529b\u92f3\u9020\u3084\u4f4e\u5727\u92f3\u9020\u306b\u304a\u3051\u308b\u30e9\u30a4\u30b6\u30fc\u3084\u30b9\u30d7\u30eb\u30fc\u3078\u306e\u308d\u904e\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001\u6b63\u65b9\u5f62\u3084\u9577\u65b9\u5f62\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u7802\u578b\u92f3\u9020\u3067\u4e00\u822c\u7684\u306a\u6c34\u5e73\u30b2\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0\u306b\u81ea\u7136\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5f62\u72b6\u306e\u9078\u629e\u306b\u3042\u305f\u3063\u3066\u306f\u3001\u3042\u308b\u7279\u5b9a\u306e\u5f62\u72b6\u304c\u4ed6\u306e\u5f62\u72b6\u3088\u308a\u3082\u666e\u904d\u7684\u306b\u512a\u308c\u3066\u3044\u308b\u3068\u6c7a\u3081\u3064\u3051\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u65e2\u5b58\u306e\u91d1\u578b\u3084\u30b2\u30fc\u30c8\u8a2d\u8a08\u306b\u5408\u308f\u305b\u3066\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u4f7f\u7528\u6e08\u307f\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u518d\u5229\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\n

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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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\n40 PPI Ceramic Foam Filter - 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