PTFE o se mea aoga tele ona o loʻo i ai se tuʻufaʻatasiga tulaga ese o meatotino.PTFE e chemically inert, weatherable, lelei insulation eletise, maualuga vevela tetee, o se coefficient maualalo o feteʻenaʻiga ma mea e le pipii.O paipa e mafai ona fa'aitiitia e fa'aaogaina e fai ma ufi ta'avale ma puipui ai vaega eletise po'o vaega.PTFE e mafai foi ona skived pe extruded i lipine ma ata tifaga e mafai ona faaaoga mo faamaufaailoga ma mea gasket.polymer ose igoa tau fefa'ataua'iga masani mo polytetrafluoroethylene (PTFE) faia.
E masani o vasega uma o le Polymer PTFE (polytetrafluoroethylene) paʻu lelei, e mafai ona lubricated ma extruded e ala masani faapipii extrusion techniques.Compared ma isi togi o le PTFE paʻu lelei, polymer PTFE o se resin ua faateleina le malosi liusuavai ma shrinkage maualalo.O se tasi lea o resini sili ona tumau ma faigofie ona faʻagasolo.E sili ona talafeagai mo oloa faʻatasi ma le maualuga o le faʻaitiitiga faʻaititia.
O oloa gaosi lelei na faia mai le PTFE polymer mama e maua ai mea sili e masani ai o resini fluoropolymer: taofi o meatotino pe a maeʻa le tautua i le 260°C (500°F), mea aoga ile –240°C (–400°F), chemical inertness to toetoe lava o vailaʻau faʻapisinisi uma ma solvents, ma le maualalo o le feteʻenaʻi ma mea faʻapipiʻi.O meatotino dielectric e tulaga ese ma mautu i taimi ma le vevela.O oloa e feololo ma'a'a ma maualuga maualuga elongation.I se tulaga mu, oloa o polymer PTFE tetee ignition ma latou le faalauiloaina le mumu.Pe a faʻamumuina e le afi mai isi faʻapogai, o lo latou sao o le vevela e laʻititi ma e itiiti lava le asu.
polymer PTFE ua saunia mo extrusion e faʻafefiloi ma se fesoasoani extrusion vai.O le pauta susu o lo'o fa'apipi'iina i totonu o se slug fa'ameamea muamua ma tu'u i totonu o le fa'agogo o se mea fa'apipi'i ituaiga mamoe po'a.I lalo o le mamafa maualuga, o le tuufaatasiga e faʻamalosia e ala i se oti faʻamaeʻa e maua ai le filo, faʻauʻu, poʻo le ufiufi.O mea eseese, e pei o uaea u'amea po'o alava vevela maualuga, e mafai ona ufiufi e ala i le fafagaina i latou e ala i le axis o le extruder barrel.A maeʻa le faʻapipiʻiina, o le oloa e maualalo, ae faʻapipiʻi, fausaga fibrous.polymer PTFE 640 e masani lava ona faʻagasolo atili, ma le vevela, i totonu o se oloa resin malosi, e pei o le tubing.Heat e faʻaaogaina i ni laasaga se lua, lea e mafai ona faia i-laina ma extrusion pe vavae ese.E tatau ona aveese muamua le lubricant, e masani lava e ala i le faʻavevela i totonu ole va o le 100–300°C (212–572°F).O se la'asaga sintering e mulimuli mai e liusuavai ai le resini taupou i luga a'e o lona tulaga liusuavai tioata e tusa ma le 342°C (648°F) ma maua ai se mea e leai se aoga, leai se popole, ma se oloa mautu o le resini PTFE.Pe a faia i totonu o le laina, o le faʻavevela laasaga e fuafua ai le saoasaoa laina maualuga. Faʻaititia fua faatatau (RR) o le fua faatatau o le koluse vaega o preform i lena o extrudate;o se fa'alilolilo fa'atosina e a'afia ai le filifiliga o le resin grade.
Taimi meli: Me-04-2018