Rubber o-rings EPDM 70shore-A matakin abinci na FDA
Rubber o-rings EPDM 70shore-A matakin abinci na FDA
● Gabaɗaya, EPDM o-rings an san suna da kyakkyawan juriya ga ozone, hasken rana, da yanayin yanayi, kuma yana da sassauci sosai a ƙananan zafin jiki, juriya mai kyau na sinadarai (yawancin acid dilute da alkalis har ma da kaushi na polar), da ingantaccen rufin lantarki. dukiya.
Har ila yau, EPDM o-rings na iya zuwa a cikin wani nau'i na ƙarfe wanda za'a iya ganowa yayin da yake riƙe da halaye iri ɗaya kamar na gaba ɗaya EPDM o-ring. Madaidaicin Madaidaicin EPDM o-ring mahadi galibi ana warkewa da sulfur.
● Sulfur-cured mahadi suna ba da mafi kyawun kaddarorin masu sassauƙa amma sun fi dacewa da ƙarfi kuma suna da ƙarancin matsawa saiti tare da yanayin zafi mai zafi. , musamman ga tsarin tiyo a cikin masana'antar gine-gine, amma ya fi tsada kuma ya fi wuyar samarwa fiye da sulfur-warke EPDM o-ring mahadi.
● Don ƙarin bayani kan tsarin maganin EPDM, da fatan za a iya tuntuɓar mu don cikakkun bayanai takardar.
● EPDM O-Ring Yanayin Zazzabi: Madaidaicin Matsakaicin Zazzabi: -55°C (-67°F)
● Standard High Temp: 125 ° C (257 ° F) Yana Yi Da kyau A: Alcohols Ruwan birki na Ketones Dilute acid da alkalis Silicone mai da man shafawa Turi har zuwa 204.4ºC (400ºF) Water Phosphate ester tushen ruwa mai ruwa Ozone, yanayin tsufa, da tsufa. .
Menene ƙari, EPM shine Copolymer na ethylene da propylene.EPDM terpolymer ne na ethylene da propylene tare da ƙaramin adadin monomer na uku (yawanci diolefin) don ba da izinin vulcanization tare da sulfur.
● Gabaɗaya Ethylene Propylene Rubber yana da kyakkyawan juriya ga ozone, hasken rana da yanayin yanayi, kuma yana da kyakkyawan sassauci a ƙananan zafin jiki, juriya mai kyau na sinadarai (yawancin acid dilute, alkalis & polar solvents), da kyawawan kaddarorin wutar lantarki.
● Tekun-A:Daga 30-90 tudu-A kowane launi zai iya yi.
● GIRMAN:AS-568 duk girman.
