Peb koom tes nrog kev tsim PTFE polymer daim kab xev tshuab, uas tseem hu ua PTFE daim kab xev tshuab, Xov foob daim kab xev tshuab, ntau tshaj 20 xyoo, tam sim no hwm ISO9001 thiab CE daim ntawv pov thawj tau txais.Peb yog thawj tus uas tsim PTFE daim kab xev tshuab hauv Suav teb.Tsis tsuas yog peb tuaj yeem muab koj cov kab ntau lawm, tab sis kuj muab cov khoom siv raw.Cov tshuab tseem ceeb suav nrog: Tov khoom, Calender, Slitter, Nias Tshuab, Qhov cub, Wrapping tshuab thiab lwm yam.
Ntau yam ntawm qhov kawg PTFE xov foob daim kab xev:Thickness: 0.05-0.3mm lossis ntau dua (raws li koj xav tau);Dav: 8mm, 10mm, 12mm, 19mm, 25mm lossis lwm yam, raws li koj xav tau;Ntev: 8m, 10m, 12m, 15m, 18m, 20m, 25m, 40, thiab lwm yam .. raws li koj xav tau.
PTFE yog siv dav hauv ntau yam kev xav tau, xws li: tshuaj tiv thaiv acid thiab cov kuab tshuaj organic, uas nws tus kheej tsis muaj tshuaj lom rau tib neeg, tab sis ib qho ntawm cov khoom siv raw siv hauv cov txheej txheem tsim khoom ntawm ammonium perfluorooctanoate (PFOA) yog suav tias yuav muaj. cov nyhuv carcinogenic.
Loj txheeb ze molecular ntawm PTFE, qis dua ib tug ntau pua txhiab, thaum siab dua ib tug mus txog ib lab los yog ntau tshaj (degree ntawm polymerization ntawm 104 txiav txim ntawm magnitude, thaum lub polyethylene tsuas yog 103).Qib ntawm crystallinity feem ntau yog 90 txog 95%, melting kub ntawm 327 ~ 342 ℃.Molecule CF2 chav nyob hauv PTFE npaj los ntawm cov duab zigzag, vim tias cov fluorine atom vojvoog loj dua li cov hydrogen, yog li cov CF2 nyob ib sab tsis tuaj yeem hla raws nraim trans orientation, tab sis tsim cov hlua khi hlua, fluorine atom npog yuav luag tag nrho cov saw hlau polymer.Cov qauv molecular no piav qhia ntau yam khoom ntawm PTFE.Thaum kub qis dua 19 ℃ los ua 13/6 helix;theem hloov ntawm 19 ℃, me ntsis unravel lub molecular rau daim ntawv 15/7 helix.
Txawm hais tias perfluorocarbon carbon - carbon daim ntawv cog lus thiab carbon - fluorine bonds tawg yuav tsum tau nqus zog 346.94 thiab 484.88kJ / mol, tab sis PTFE depolymerization zog tsim 1mol tetrafluoroethylene tsuas xav tau 171.38kJ.Yog li hauv pyrolysis, PTFE tsuas yog depolymerizate tetrafluoroethylene.PTFE ntawm 260,370 thiab 420 ℃ qhov hnyav poob (%) yog 1 × 10-4, 4 × 10-3 thiab 9 × 10-2 ib teev.
Post lub sij hawm: May-30-2020