PTFE da PFA Butterfly Valve Material Bambanci

(Taƙaitaccen bayanin) PTFE EPDM malam buɗe ido bawul wurin zama

Teflon PTFE kuma aka sani da polytetrafluoroethylene.Teflon PFA kuma aka sani da mai soluble polytetrafluoroethylene.Many bawul sayayya ba quite bayyananne wanda shi ne mafi lalata juriya ga malam buɗe ido bawuloli ta amfani da PTFE da PFA? Menene fa'ida da rashin amfanin kowanne? Bambancin juriya na zafin jiki, wanne ya fi arha?
Daban-daban a yanayi
1.PFA: copolymer na ƙaramin adadin perfluoropropyl perfluorovinyl ether da polytetrafluoroethylene.2.PTFE: wani fili na polymer wanda aka kafa ta hanyar polymerization na tetrafluoroethylene.
Halaye daban-daban
Bayani na PFA
(1)Crystal abu, low danshi sha.It za a iya sarrafa a cikin kayayyakin ta thermoplastic sarrafa hanyoyin.
([2) Rashin ƙarfi, mai sauƙin ruɗewa kuma ana haifar da iskar gas a lokacin bazuwar. Zazzabi na gyare-gyare ba ya wuce 475 ° C, ana yin zafi zuwa 150-200 ° C, kuma tsarin zubar da ruwa yana da ƙananan juriya ga kwararar kayan.
(3 Trasucent pelles, ijection gyare-gyare da extrusion gyare-gyare. Molding zafin jiki ne 350-400C, 475 ℃ da sama suna da sauki sa launi ko blistering. Kula da wahalar rushewa.

(4) Saboda lalata sakamako na narkakkar abu a kan karfe, dogon lokaci samar da chrome plating a kan mold.PTFE halaye.

Halin PTFE

(1) High zafin jiki juriya: dogon - lokacin amfani zazzabi 200 ~ 260 ℃;

(2) Low zafin jiki juriya: softer a - 100 ℃;

(3) Juriya na lalata: mai jurewa ga aqua regia da duk kaushi na halitta;

(4) Juriya na yanayi: mafi kyawun rayuwar tsufa na robobi;
(5) Babban lubrication: tare da mafi ƙarancin ƙima na gogayya (0.04) tsakanin robobi;
(6) Non-mai ɗaure: Yana da mafi ƙanƙanta tashin hankali a tsakanin ƙaƙƙarfan kayan aiki ba tare da bin wani abu ba.
Babban bambanci shine PFA yana da sauƙin sarrafawa kuma ya fi PTFE tsada, amma a aikace PTFE yana da mafi kyawun lalata kuma yana da tsayayya ga yanayin zafi.
Sansheng Fluorine Plastics Technology masana'antu ne kuma mai samar da bawul ɗin malam buɗe ido a China, yana samar da bawul ɗin PTFE da PFAlined malam buɗe ido, idan kuna da wasu tambayoyi game da bawul ɗin malam buɗe ido ko neman fa'ida, da fatan za a iya tuntuɓar mu.+8615067244404