PTFE avɔ si ƒe dzoxɔxɔ lolo (PTFE-coated fiberglass) nye mɔ̃ nyuitɔ kekeake si wotsɔna tsia dzoxɔxɔ nu na nɔnɔme sesẽwo: dzotsimɔ̃ ƒe ke ɖeɖeɖa (simenti, gbeɖuɖɔwo dzodzo, dzodoƒe siwo ade 260°C), tsi si gblẽa nu ƒe ʋuʋu (acid, alkali, ami), nuɖuɖu/atike ƒe ʋuʋudedi si me dɔlékui mele o, kple HEPA ƒe xɔme dzadzɛnyenye ƒe tsilénuwo. Anyigba si dzi meléna o xea mɔ na ke ƒe ƒoƒo eye wònana be woate ŋu akɔ wo ŋu bɔbɔe. Membrane-laminated grades ɖoa dzoxɔxɔ si bɔbɔ ŋutɔ gbɔ.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ léa elektrikŋusẽ ƒe xɔxlɔ̃ nyuitɔ me ɖe asi tso -180°C va ɖo 260°C: volume resistivity >1013 Ω·cm le 200°C, dielectric constant li ke le 2.0-2.1. Ne ewu 260°C la, PTFE fa, egblẽna wu 327°C, eye wòbua nusiwo xea mɔ na dzoxɔxɔ tegbee. Ne mede 0°C o la, nusiwo wotsɔ xea mɔ na dzoxɔxɔa nyona ɖe edzi gake nusi wotsɔ blae la va zua gbagbã. Nɔ dzoxɔxɔ 260°C me hena dɔwɔwɔ si ŋu kakaɖedzi le.

Wokpɔa tsi ƒe dzoxɔxɔ mɔxenu ƒe nɔnɔme si le PTFE adhesive tape ŋu koŋ to nutsyɔnu ƒe gbɔdzɔgbɔdzɔwo (micropores, microcracks, fiber wicking) me tsɔ wu PTFE ƒe tsivɔvɔ̃ ŋutɔŋutɔ. Pure PTFE film naa WVTR si le titina ko. Multi-layer coating kple lamellar fillers (mica, glass flakes) wɔa labyrinth effect, si ɖea yaƒoƒo ƒe kaka dzi kpɔtɔna ŋutɔ. Ne èdi be yeatsɔ nutrenu si me fafa le ŋutɔ la, gblɔ nusiwo woatsɔ atsyɔ nu wo dzi siwo me wode tsii.

PTFE avɔ si ƒe dzoxɔxɔ lolo (PTFE-coated fiberglass) sɔ nyuie na nuɖuɖu tsɔtsɔ yi teƒe bubuwo le eƒe dzoxɔxɔ ƒe tsitretsitsi 260°C, -70°C vuvɔ ƒe asitɔtrɔ, anyigba si me meléna o, kple FDA ƒe sedziwɔwɔ ta. Nu vevi siwo woate ŋu azã: abolomeƒewo (bisiklet, abolo, pizza), nuɖuɖu tsɔtsɔ yi teƒe bubu siwo wofli, akpɔnɔ vivi fafɛ kawo, mɔ̃ siwo me tsikpe le, dzoxɔxɔ nutrenu, kple agbalẽ xatsaxatsa. Eɖea gbeɖuɖɔ kple dzadzɛnyenye ƒe ɣeyiɣi dzi kpɔtɔna.

PTFE ƒe dzoxɔxɔ gã ƒe adhesive tape ƒe creep tsitretsitsi le ɣeyiɣi didi ƒe agba madzudzɔmadzudzɔe te (vevietɔ le 200-260°C) nye nusi wotsɔa nu eve dea dzesii: silicone PSA crosslink density (crosslinking si kɔkɔ wu xea mɔ na sisi) kple substrate ƒomevi (fiberglass-reinforced PTFE tsi tre ɖe cold creep ŋu; pure PTFE film creepps). Aŋe si wometsɔ ka blae o la doa kpo nu kabakaba ne dzoxɔxɔ sesẽ. Nusiwo wotsɔna léa nu ɖe ​​nu ŋu siwo le kpekpem wu dzia afɔku si le ʋuʋu me ɖe edzi.

Le PTFE dzoxɔxɔ gã tape si wozãna le abrasive sliding friction dɔwɔwɔwo, dzidzenu non-stick kple dzoxɔxɔ tsitretsitsi mesɔ gbɔ o. Tiatia ƒe dzidzenu veviwo: Taber abrasion ƒe bu (<15 mg/1000 cycles), PTFE ƒe nutsyɔnu si woɖɔli si yɔ fũu (carbon/graphite/MoS2), PV seɖoƒe ŋuti nyatakakawo, substrate ƒe ŋusẽ (≥200 N/cm), kple mating surface roughness (Ra 0.2-0.4 μm). Nugbɔ takpɔkpɔ nyuie kple eƒe kadodo blibo le vevie ŋutɔ na agbenɔƒe didi.

Nusiwo wotsɔ wua anyigba dzi si wotsɔ dea fiberglass avɔ ŋu hafi wotsɔa PTFE ƒoa nui la le vevie ŋutɔ na PTFE mamlɛtɔ ƒe avɔ si ƒe dzoxɔxɔ lolo ƒe dɔwɔwɔ. Organosilane ƒe kadodonuwo wɔa molecule tɔdzisasrãwo le inorganic glass fiber kple organic PTFE dome, si doa ŋusẽ lãgbalẽ ƒe ŋusẽ tso <2 N/cm va ɖo 4-8+ N/cm. Dɔwɔwɔ nyuie hã nana dzoxɔxɔ ƒe tsitretsitsi (260°C+), dielectric ƒe dɔwɔwɔ, kple atikewo ƒe tsitretsitsi hã nyona ɖe edzi. Avɔ si womewɔ atike na o hea delamination, bubbling, kple eƒe agbenɔƒe kpui vɛ.

Warp kple weft density fiberglass avɔ dea dzesi PTFE dzoxɔxɔ gã avɔ ƒe dɔwɔwɔ. Density si lolo wu dzia tensile strength kple surface smoothness ɖe edzi gake eɖea aɖatsi ƒe ŋusẽ (inverted U-curve), flexibility, kple coating ƒe gege ɖe eme dzi kpɔtɔna. Density nyuitɔ kekeake daa asɔ le gege ɖe eme, aɖatsi ƒe tsitretsitsi, asitɔtrɔ le nɔnɔmewo ŋu, kple eƒe anyigba ƒe nuwuwu. Density si bɔbɔ sɔ na dynamic bending; density gã na non-stick kple insulation.

PTFE substrate nye nusi te ŋu nɔa te ɖe dze sisi nu le dzɔdzɔme nu (tsi ƒe xɔxlɔ̃ <0.01%). Ke hã, tape ƒe dɔwɔwɔ bliboa nɔ te ɖe adhesive ƒomevi dzi: silicone PSA te ŋu nɔa te ɖe ƒumelãwo ƒe nɔnɔmewo nu (500-1000h dze sisi dodokpɔwo,>80% peel retention); acrylic PSA do kpo nu. Atikewɔwɔ nyuie le anyigba dzi, kuɖɔ manɔmee, kple nutrenu kple silicone nutrenu le nugbɔ le vevie ŋutɔ be kakaɖedzi nanɔ eŋu ɣeyiɣi didi le ƒuta nuƒolanɔƒewo kple tɔdziʋuwo.

Ɣletigbalẽ – avɔ si wotsɔ PTFE ƒoe tete ɖe ahuhɔ̃e ƒe ʋuƒo siwo wodo dzoe dome le 360-380°C – trɔa anyigba ƒe nɔnɔme, eƒe asiɖeɖe le eŋu ƒe nɔnɔmewo, tsi ƒe gege ɖe eme, kple mɔ̃ɖaŋununya ƒe dɔwɔwɔ ŋutɔ. Eɖea ʋuʋudedi dzi kpɔtɔna tso Ra 0.5-1.0 μm va ɖo <0.05 μm, etsia pinholes nu, enaa woƒe vuvu ƒe tsitretsitsi nyona ɖe edzi, gake eɖea aɖatsi ƒe ŋusẽ kple asitɔtrɔ le nɔnɔmewo ŋu dzi kpɔtɔna. Ele vevie na release liners kple elektrik-nulénu.