Kwamitin PTFE (wanda kuma aka sani da hukumar PTFE, allon Teflon, allon Teflon) ya kasu kashi biyu: gyare-gyare da juyawa.Ana amfani da samfuransa da yawa kuma suna da cikakkun kaddarorin masu inganci: tsayin daka da ƙarancin zafin jiki (-192 ° C-260 ° C), juriya na lalata (ƙarfin acid, alkali mai ƙarfi, aqua regia, da sauransu), juriya na yanayi, babban rufi, high lubrication, rashin mannewa, Ba mai guba da sauran kyawawan halaye.Polytetrafluoroethylene (takaice Turanci shine Teflon ko [PTFE, F4]), wanda aka sani da / wanda aka fi sani da "Karkin Filastik", sunan kasuwancin Sinanci "Teflon", "Teflon" (teflon), "Teflon" , "Teflon", "Teflon" da sauransu.
Yana da wani babban fili na kwayoyin halitta ta hanyar tetrafluoroethylene, kuma tsarin da aka sauƙaƙe shi ne - [-CF2-CF2-] n-, wanda ke da kyakkyawan kwanciyar hankali na sinadarai da juriya na lalata (polytetrafluoroethylene ana kiransa PTFE ko F4, yana daya daga cikin mafi lalata. -Ayyukan juriya a duniya a yau, "Plastic King" da aka fi sani da polytetrafluoroethylene, filastik ne mafi kyawun juriya na lalata. tare da shi, don haka ana kiranta filastik sarki, yana da juriya ga duk wasu sinadarai banda narkakkar sodium da fluorine na ruwa, maras ɗanɗano, insulation na lantarki da kyakkyawan juriya na tsufa, kyakkyawan juriya na zafin jiki (zai iya aiki na dogon lokaci a yanayin zafi). +250°C zuwa -180°C) PTFE kanta ba mai guba ba ce ga mutane, amma ana amfani da ita wajen samar da ita Ɗaya daga cikin albarkatun perfluorooctanoate ammonium (PFOA) ana ɗauka a matsayin mai yuwuwar cutar daji.
Zazzabi -20～250°C (-4～+482°F), bada izinin sanyaya kwatsam da dumama kwatsam, ko wani aiki na sanyi da zafi.
Matsa lamba -0.1 ~ 6.4Mpa (Full vacuum zuwa 64kgf/cm2) (Full vacuum zuwa 64kgf/cm2)
Samuwarta ya magance matsaloli da dama a fannin masana'antar sinadarai, man fetur da kuma magunguna a kasarmu.PTFE hatimi, gaskets, gaskets, PTFE like, da gaskets an yi su da dakatar polymerized PTFE guduro gyare-gyaren.Idan aka kwatanta da sauran robobi, PTFE yana da halaye na juriyar lalata sinadarai, kuma an yi amfani da shi sosai azaman abin rufewa da kayan cikawa.
Cikakkun samfuran bazuwar yanayin zafi a kusan digiri 500 sun haɗa da tetrafluoroethylene, hexafluoropropylene da octafluorocyclobutane, waɗanda za su lalata iskar gas mai ɗauke da fluorine sosai a yanayin zafi.
Lokacin aikawa: Janairu-17-2023