PTFE ke polymer ea thermoplastic, e tiileng e tšoeu ka mocheso oa kamore, 'me boima ba eona bo ka ba 2200 kg/m3.E boloka matla a phahameng, ho thatafala le ho itlotsa ha mocheso o tlase ho 5 K (−268.15 °C; -450.67 °F), le ho tenyetseha hantle ha mocheso o ka holimo ho 194 K (−79 °C; -110 °F).PTFE e fumana thepa ea eona ho tsoa litlamong tse kopaneng tsa carbon-fluorine bond, joalo ka li-fluorocarbons tsohle.Lik'hemik'hale feela tse tsejoang ka ho ama litlamo tsena tsa carbon-fluorine ke litšepe tse sebetsang haholo joalo ka tšepe ea alkali, 'me lithempereichara tse phahameng hape tse kang aluminium le magnesium, le lisebelisoa tsa fluorinating joalo ka xenon difluoride le cobalt(III) fluoride.
The coefficient of friction of plastics hangata e lekanngoa khahlanong le tšepe e bentšitsoeng.PTFE's coefficient of friction ke 0.05 ho 0.10, e leng karolo ea boraro-tlase ho ntho leha e le efe e tiileng e tsejoang.Ho hanyetsa ha PTFE ho matla a van der Waals ho bolela hore ke eona feela sebaka se tsebahalang seo checheiki e ke keng ea khomarela.PTFE e thella hoo likokoanyana li sitoang ho itšoarella 'me li atisa ho oa.
Ka lebaka la ho se sebetse ha lik'hemik'hale, PTFE e ke ke ea amahanngoa joaloka elastomer.Ka hona, ha e na "mohopolo" mme e ka oela.Ka lebaka la lisebelisoa tsa eona tse phahameng tsa lik'hemik'hale le tsa mocheso, PTFE e atisa ho sebelisoa e le thepa ea gasket ka har'a liindasteri tse hlokang ho hanyetsa lik'hemik'hale tse mabifi tse kang meriana kapa lik'hemik'hale.Leha ho le joalo, ka lebaka la tšekamelo ea ho qhekella, ts'ebetso ea nako e telele ea liqibi tse joalo e mpe ho feta ea li-elastomer tse bonts'ang maemo a lefela, kapa a haufi le lefela.
Ho sebetsa PTFE ho ka ba thata ebile ho theko e boima, hobane mocheso o phahameng oa ho qhibiliha, 327 °C (621 °F), o ka holimo ho mocheso oa pele oa ho bola, 200 °C (392 °F).Esita le ha e qhibiliha, PTFE ha e phalle, empa ho e-na le hoo e itšoara joaloka gel ka lebaka la ho ba sieo ha karolo ea kristale le viscosity e phahameng ea ho qhibiliha.
Likarolo tse ling tsa PTFE li entsoe ka mokhoa o batang oa ho bopa, mofuta oa compression molding.Mona, PTFE e phofshoana e ntle e qobelloa ho kena ka har'a hlobo tlas'a khatello e phahameng .Ka mor'a nako ea ho lokisa, ho tloha metsotso ho ea ho matsatsi, hlobo e futhumetse ho 360 ho ea ho 380 likhato tsa Celsius, e lumellang likaroloana tse ntle hore li kopane ka boima bo le bong.
Nako ea poso: Jun-18-2020