Polytetrafluoroethylene (PTFE) tseem hu ua Teflon® yog cov tshuaj fluoropolymer ntawm tetrafluoroethylene. Tsim los ntawm DuPont, PTFE tuaj yeem hloov kho thiab puab rau kev siv ua cov khoom siv gasketing nrog cov cuab yeej ua kom muaj zog hauv tshuaj lom neeg.
Qhov zoo ntawm kev siv PTFE muaj xws li:
Tsis cuam tshuam los ntawm cov tshuaj feem ntau.
Nws tuaj yeem siv hauv qhov kub thiab txias txog 500 ° F (260 ° C).
Qhov qis kawg coefficient ntawm kev sib txhuam tsis sib haum ntawm ib qho khoom siv twg.