{"id":3638,"date":"2026-09-02T11:34:42","date_gmt":"2026-09-02T03:34:42","guid":{"rendered":"https:\/\/www.c-adtech.com\/?p=3638"},"modified":"2026-09-02T11:34:42","modified_gmt":"2026-09-02T03:34:42","slug":"how-do-i-choose-ceramic-foam-filter-ppi","status":"publish","type":"post","link":"https:\/\/www.c-adtech.com\/tr\/how-do-i-choose-ceramic-foam-filter-ppi\/","title":{"rendered":"Seramik k\u00f6p\u00fck filtresinin PPI de\u011ferini nas\u0131l se\u00e7meliyim?"},"content":{"rendered":"

Choosing the correct ceramic foam filter PPI starts with the metal being filtered, the size and type of inclusions that must be removed, alloy cleanliness, pouring temperature, required flow rate, casting weight, filter dimensions, and the foundry process. In practical terms, a lower PPI ceramic foam filter has larger pores and usually provides higher metal-flow capacity with lower blockage risk, while a higher PPI filter has smaller pores and can capture finer inclusions but creates greater resistance to molten-metal flow. There is therefore no universally “best” PPI. We normally select the coarsest pore structure that can consistently achieve the required casting cleanliness, then confirm that choice through flow-capacity calculations and controlled foundry trials. Typical commercial grades include 10, 20, 30, 40, 50 and 60 PPI, although available specifications vary by ceramic composition and manufacturer. For many applications, roughly 10 to 30 PPI is associated with iron and steel filtration, while aluminum-alloy filtration commonly uses approximately 20 to 60 PPI. These ranges are starting points rather than fixed engineering rules.<\/p>\n

At AdTech, we regard PPI selection as a filtration-system decision rather than simply a filter purchasing decision. PPI tells us the nominal number of pores per linear inch, but it does not independently define filtration efficiency, permeability, pore-window size, thermal-shock resistance or metal capacity. Two filters marked “30 PPI” can behave differently because their ceramic chemistry, foam morphology, coating thickness, open porosity, pore-window distribution and manufacturing consistency differ. Engineers and buyers should therefore evaluate PPI together with filter material, filter area, thickness, casting process and measurable quality parameters.<\/p>\n

\"Al\u00fcminyum
Al\u00fcminyum d\u00f6k\u00fcm i\u00e7in Adtech Al\u00fcmina seramik k\u00f6p\u00fck filtre<\/a><\/figcaption><\/figure>\n

Seramik k\u00f6p\u00fck filtrede PPI ne anlama gelir?<\/h2>\n

PPI means “pores per inch.” It is a commonly used description of the cellular structure of reticulated ceramic foam.<\/p>\n

10 PPI\u2019lik bir k\u00f6p\u00fck, nispeten iri g\u00f6zenekli bir yap\u0131ya sahiptir. A 30 \u00dcFE<\/a> Bu \u00fcr\u00fcn daha ince bir yap\u0131ya sahipken, 50 veya 60 PPI ise nominal g\u00f6zenek derecesi a\u00e7\u0131s\u0131ndan daha da ince bir yap\u0131y\u0131 temsil eder. PPI de\u011ferinin art\u0131r\u0131lmas\u0131 genellikle karakteristik g\u00f6zenek penceresi boyutlar\u0131n\u0131 k\u00fc\u00e7\u00fclt\u00fcr ve inkl\u00fczyonlarla etkile\u015fime girebilecek i\u00e7 y\u00fczey alan\u0131n\u0131 art\u0131r\u0131r.<\/p>\n

Bu kula\u011fa basit gelse de, PPI kesin bir elek a\u00e7\u0131kl\u0131\u011f\u0131 olarak yorumlanmamal\u0131d\u0131r.<\/p>\n

Seramik k\u00f6p\u00fck filtreler, tek tip kare a\u00e7\u0131kl\u0131klara sahip dokunmu\u015f eleklerden ziyade \u00fc\u00e7 boyutlu a\u011fs\u0131 yap\u0131lard\u0131r. G\u00f6zeneklerin ve a\u00e7\u0131kl\u0131klar\u0131n \u015fekli ve \u00e7ap\u0131 birbirinden farkl\u0131d\u0131r. Erimi\u015f metal, birbirine ba\u011fl\u0131 dolamba\u00e7l\u0131 kanallardan ge\u00e7er ve bu nedenle filtreleme, basit mekanik eleme i\u015fleminden ziyade \u00e7e\u015fitli mekanizmalara dayan\u0131r.<\/p>\n

Tedarik\u00e7ileri kar\u015f\u0131la\u015ft\u0131r\u0131rken bu ayr\u0131m \u00f6nemlidir.<\/p>\n

A purchasing specification stating only “30 PPI ceramic foam filter” leaves several important properties undefined. Density, open porosity, permeability, ceramic composition and dimensional tolerances can all affect casting performance.<\/p>\n

Daha Y\u00fcksek PPI De\u011feri, Daha \u0130yi Bir Filtre Anlam\u0131na m\u0131 Gelir?<\/h3>\n

Otomatik olarak de\u011fil.<\/p>\n

Daha y\u00fcksek PPI de\u011feri genellikle daha ince bir nominal h\u00fccresel yap\u0131 anlam\u0131na gelir. Ancak bu, her d\u00f6k\u00fcm i\u015fleminde mevcut en y\u00fcksek de\u011ferin se\u00e7ilmesinin her zaman avantaj sa\u011flayaca\u011f\u0131 anlam\u0131na gelmez.<\/p>\n

Daha ince bir yap\u0131ya ge\u00e7mek \u015funlar\u0131 sa\u011flayabilir:<\/p>\n