Ibhodi ye-PTFE (ekwaziwa ngokuba yibhodi ye-PTFE, ibhodi yeTeflon, ibhodi yeTeflon) yohlulwe ibe ziindidi ezimbini: ukubumba kunye nokujika.Iimveliso zayo zisetyenziswa ngokubanzi kwaye zineepropati ezibanzi kakhulu: ukumelana nobushushu obuphezulu kunye obuphantsi (-192 ° C-260 ° C), ukumelana ne-corrosion (i-asidi eyomeleleyo, i-alkali eyomeleleyo, i-aqua regia, njl. njl.), ukumelana nemozulu, ukugquma okuphezulu, high lubrication, non-adhesion, Non-ityhefu kunye nezinye iimpawu ezigqwesileyo.I-Polytetrafluoroethylene (isishunqulelo sesiNgesi yiTeflon okanye [PTFE, F4]), eyaziwa ngokuba yi-“Plastic King”, igama lezorhwebo laseTshayina “Teflon”, “Teflon” (teflon), “Teflon” , “Teflon”, “Teflon” kwaye nangokunjalo.
Yikhompawundi ephezulu yemolekyuli eyenziwe yi-tetrafluoroethylene, kunye nesakhiwo sayo esenziwe lula ngu-[-CF2-CF2-]n-, enozinzo olubalaseleyo lweekhemikhali kunye nokumelana nokubola (i-polytetrafluoroethylene kubhekiselwa kuyo njenge-PTFE okanye i-F4, yenye yezona zinto zikhuhlayo. -izinto ezixhathisayo kwihlabathi namhlanje, "i-Plastic King" yaziwa ngokuba yi-polytetrafluoroethylene, yiplastiki enokumelana nokugqwesa okugqwesileyo. ngayo, ngoko ibizwa ngokuba yinkosi yeplastiki.Iyakwazi ukumelana nazo zonke ezinye iikhemikhali ngaphandle kwesinyithi esinyibilikisiweyo sesodium kunye nefluorine engamanzi.I-non-stick, ukugqunywa kombane kunye nokumelana nokuguga okuhle, ukumelana nobushushu obugqwesileyo (inokusebenza ixesha elide kwiqondo lobushushu + 250 ° C ukuya -180 ° C) I-PTFE ngokwayo ayinayo ityhefu ebantwini, kodwa isetyenziswe kwinkqubo yokuvelisa Enye yezinto eziluhlaza ze-perfluorooctanoate ammonium (PFOA) ithathwa njengento enokwenzeka ye-carcinogen.
Iqondo lobushushu -20～250°C (-4～+482°F), ivumela ukupholisa ngesiquphe kunye nokufudumeza ngesiquphe, okanye omnye umsebenzi wokubanda nokushushu.
Uxinzelelo -0.1～6.4Mpa (Ivacuum epheleleyo ukuya ku-64kgf/cm2) (Ivacuum epheleleyo ukuya ku-64kgf/cm2)
Ukuveliswa kwayo kuye kwasombulula iingxaki ezininzi kwiinkalo zoshishino lwemichiza, i-petroleum kunye namayeza kwilizwe lethu.PTFE amatywina, iigaskets, gaskets, PTFE seals, kunye neegaskets zenziwe ngokunqunyanyiswa polymerized PTFE resin ukubumba.Xa kuthelekiswa nezinye iiplastiki, i-PTFE ineempawu zokunganyangeki kweekhemikhali, kwaye isetyenziswe ngokubanzi njengento yokutywina kunye nezinto zokuzalisa.
Iimveliso zayo ezipheleleyo zokubola kwe-thermal malunga ne-500 degrees celsius zibandakanya i-tetrafluoroethylene, i-hexafluoropropylene kunye ne-octafluorocyclobutane, eya kubola i-fluorine ene-corrosive-containing gases kumaqondo aphezulu obushushu.
Ixesha lokuposa: Jan-17-2023