PTFE board (eo hape e tsejoang e le PTFE board, Teflon board, Teflon board) e arotsoe ka mefuta e 'meli: ho bopa le ho reteleha.Lihlahisoa tsa eona li sebelisoa haholo 'me li na le thepa e phahameng ka ho fetisisa e akaretsang: ho hanyetsa mocheso o phahameng le o tlase (-192 ° C-260 ° C), ho hanyetsa kutu (asiti e matla, alkali e matla, aqua regia, joalo-joalo), ho hanyetsa boemo ba leholimo, ho kenya letsoho ho phahameng, lubrication e phahameng, e sa khomarelang, e se nang chefo le litšobotsi tse ling tse ntle.Polytetrafluoroethylene ( khutsufatso ea Senyesemane ke Teflon kapa [PTFE, F4]), e tsejoang ka tloaelo e le “King ea Plastiki”, lebitso la khoebo la Machaena “Teflon”, “Teflon” (teflon), “Teflon” , “Teflon”, “Teflon” joalo joalo.
Ke motsoako o phahameng oa limolek'hule o entsoeng ka polymerized ke tetrafluoroethylene, 'me sebopeho sa eona se nolofalitsoeng ke -[-CF2-CF2-]n-, e nang le botsitso bo babatsehang ba lik'hemik'hale le ho hanyetsa ho bola (polytetrafluoroethylene e bitsoa PTFE kapa F4, ke e' ngoe ea tse senyang ka ho fetisisa. -Lisebelisuoa tse sa tsitsang lefatšeng kajeno, "Plastic King" hangata e tsejoa e le polytetrafluoroethylene, ke polasetiki e nang le ts'oaetso e ntle ka ho fetisisa ea ho senya. ka eona, kahoo e bitsoa morena oa polasetiki, e hanyetsana le lik'hemik'hale tse ling tsohle ntle le sodium e entsoeng ka tšepe e qhibilihisitsoeng le fluorine e nang le metsi. +250 ° C ho ea ho -180 ° C) PTFE ka boeona ha e chefo ho batho, empa e sebelisoa ts'ebetsong ea tlhahiso E 'ngoe ea lisebelisoa tse tala tsa perfluorooctanoate ammonium (PFOA) e nkoa e le kankere e ka khonehang.
Thempereichara -20～250°C (-4～+482°F), e lumellang ho tsidifala ha tshohanyetso le ho futhumala ha tshohanyetso, kapa tshebetso e nngwe ya mohatsela le mocheso.
Khatello -0.1～6.4Mpa (Vacuum e felletseng ho 64kgf/cm2) (Vacuum e felletseng ho 64kgf/cm2)
Tlhahiso ea eona e rarollotse mathata a mangata mafapheng a indasteri ea lik'hemik'hale, peterole le meriana naheng ea rona.PTFE litiiso, gaskets, gaskets, PTFE litiiso, le gaskets li entsoe ka suspension polymerized PTFE resin molding.Ha ho bapisoa le li-plastiki tse ling, PTFE e na le litšobotsi tsa lik'hemik'hale tse hanyetsanang le kutu, 'me e' nile ea sebelisoa haholo e le thepa ea ho tiisa le ho tlatsa.
Lihlahisoa tsa eona tse felletseng tsa ho bola ha mocheso ka likhato tse ka bang 500 tsa Celsius li kenyelletsa tetrafluoroethylene, hexafluoropropylene le octafluorocyclobutane, tse tla senya likhase tse nang le fluorine tse senyang haholo mochesong o phahameng.
Nako ea poso: Jan-17-2023