PCTFE ko CTFE (wanda aka fi sani da Kel-F*) yana da yawancin kaddarorin masu kama da sauran fluoropolymers kamar PTFE, FEP ko PFA, amma ya fi ƙarfin injina cikin tsauri (ba ya lalacewa cikin sauƙi), kuma yana da ƙarancin iskar gas.
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PCTFE ko CTFE (wanda aka fi sani da Kel-F*) yana da yawancin kaddarorin masu kama da sauran fluoropolymers kamar PTFE, FEP ko PFA, amma ya fi ƙarfin injina cikin tsauri (ba ya lalacewa cikin sauƙi), kuma yana da ƙarancin iskar gas.Ƙarfin girmansa yana sa ya zama abin ban sha'awa don amfani azaman ɓangaren ɓangaren tsari inda ake buƙatar babban zafin jiki da juriyar sinadarai na fluoropolymers.PCTFE yana nuna babban ƙarfin matsawa da ƙananan nakasawa ƙarƙashin kaya.Koyaya, farashin dangin sa yana ɗaya daga cikin manyan la'akari da zaɓin sa, tunda yana da tsada sosai.
Masana'antar Karfe da Masana'antar sarrafa sinadarai sun kasance suna amfani da samfuran bututun fluoropolymer daga kayan kamar PTFE da hoses na shekaru masu yawa don canja wurin sinadarai masu lalata ko lalata.Ƙari da ƙari, PTFE tubing yana maye gurbin carbon da sauran bututun ƙarfe waɗanda ke lalacewa cikin sauri.Yanzu da kuma nan gaba, PTFE za ta ci gaba da hidimar masana'antar a cikin aikace-aikace masu mahimmanci.
PTFE Halayen thermal:
PTFE tubing na iya jure yanayin zafi har zuwa 680 °F na iyakanceccen lokaci.* A ƙarƙashin yanayin cryogenic, PTFE yana da ƙarfi zuwa -320 °F.
* Sama da 500 °F, kaddarorin inji sun zama abin iyakancewa
Kwayoyin Lantarki na PTFE:
PTFE tubing yana da kyawawan kaddarorin lantarki, wanda aka nuna ta ƙaramin dielectric na 2.1 tsakanin -40 °F da 480 °F tsakanin kewayon mitar 5 Hz zuwa 10 GHz.
PTFE tubing kuma kyakkyawan insulator ne tare da juriya na 3.6 X 1012 ohms (har ma a 100% zafi dangi).
Ƙarfin wutar lantarki na ɗan gajeren lokaci yana daga 500 volts/mil (1 mil = 10-3 in) don kauri fiye da mil 100 zuwa 4000 volts/mil don fina-finai masu bakin ciki sosai.
Bambance-bambance daga PTFE
PCTFE homopolymer ne na chlorotrifluoroethylene (CTFE), yayin da PTFE homopolymer ne na tetrafluoroethylene.Masu monomers na tsohon sun bambanta da na na ƙarshe ta hanyar samun atom ɗin chlorine mai maye gurbin ɗaya daga cikin zarra na fluorine.Don haka kowace naúrar PCTFE mai maimaitawa tana da zarra na chlorine a maimakon zarra na fluorine.Wannan yana nufin PCTFE don samun ƙarancin sassauƙa na sarkar kuma saboda haka mafi girman zafin canjin gilashin.PTFE yana da matsayi mafi girma kuma yana da crystalline fiye da PCTFE, amma na karshen ya fi karfi kuma yana da ƙarfi.Kodayake PCTFE yana da kyakkyawan juriya na sinadarai, har yanzu bai kai na PTFE ba.PCTFE yana da ƙananan danko, ƙarfin ƙarfi mafi girma da juriya mai rarrafe fiye da PTFE.
PCTFE ne allura moldable kuma extrudable alhãli kuwa PTFE ba.
Don haka, zan ce ya dogara da aikace-aikacen bawul.Kuna da iyakokin yanayi/matsi?Wanne sabis na ruwa / tururi yake ciki?Da alama zai yi kyau ga mafi yawan aikace-aikacen da ake amfani da PTFE, amma akwai ƙayyadaddun ƙayyadaddun aikace-aikacen alkuki inda ake buƙatar PTFE maimakon PCTFE.
PTFE = polymerPCTFE = Kel-F
Dukansu sun dace don amfani da kujerun bawul ɗin ball.Babban bambanci shine PCTFE ya fi wuya kuma yana da mafi girman juzu'i.Tasirin abubuwan biyu shine cewa yana ƙoƙarin buƙatar ƙarin juzu'i don kunna bawul ɗin buɗewa da rufewa
PS: Tuntube mu don PTFE ƙãre samfurin samfurin kyauta
Lokacin aikawa: Satumba-17-2017