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 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.

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.

Fiberglass weave pattern – plain, twill, alo satin – kpɔa ŋusẽ ɖe PTFE ƒe avɔ si ƒe dzoxɔxɔ lolo ƒe nɔnɔmewo dzi vevie. Satin weave naa aɖatsi ƒe ŋusẽ si lolo wu (2-3x gbadzaa) kple asitɔtrɔ le nɔnɔmewo ŋu, si sɔ nyuie na ŋusẽ ƒe bɔbɔ. Gbeƒãɖeɖe gbadzaa naa didime nyuitɔ kekeake li ke kple peel adhesion, si sɔ na static dɔwɔwɔwo. Twill da sɔ le nunɔamesiwo katã me hena zazã le afisiafi.

Nu enee wotsɔ dea dzesi PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe nutsyɔtsyɔ ƒe ɖekawɔwɔ: nutsyɔtsyɔ ƒe wɔwɔme (nusuewo ƒe lolome 0.15-0.35 μm, ʋeʋẽ, nu sesẽ siwo le eme), nutsyɔtsyɔ & sintering ƒe ɖoɖo (blade coating si wolɔ̃na hena ɖekawɔwɔ), substrate ƒe nyonyome (weave pattern, pre-treatment), kple ewɔwɔ ƒe nɔnɔme (20-25°C, <60% RH). Dip + blade ƒo ƒu ƒe dɔwɔwɔ daa asɔ le gege ɖe eme kple anyigba ƒe glidzaglidza.

Dzadzɛnyenye kple beléle nɛ nyuie didia PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe agbenɔƒe ɖe edzi. Klɔe le eŋudɔwɔwɔ vɔ megbe kple le fafa vɔ megbe. Zã brɔs falɛfalɛwo, atike siwo mewɔa akpa aɖeke o, alo aha sesẽ hena ɖiƒoƒo. Mègazã acid/alkali sesẽwo, bleach, alo ga tsɔtsrɔ̃ gbeɖe o. Silicone-mi sisi edziedzi ɖea eƒe vuvu dzi kpɔtɔna. Wɔ ɖe mɔfiame siawo dzi be nàxe mɔ ɖe nusiwo wotsɔ blae nu.

PTFE avɔ si ƒe dzoxɔxɔ lolo kple silicone avɔ siaa zãa fiberglass avɔ abe gɔmeɖoanyi ene gake woto vovo le nusi wotsɔ blaa nu me (PTFE resin vs silicone rubber). PTFE nyo wu le nusiwo meléna o, tsitretsitsi ɖe nudodo ŋu, kple atikewo ƒe tsitretsitsi vaseɖe 260°C me. Silicone avɔ naa woate ŋu atrɔ ɖe nɔnɔmewo ŋu nyuie wu, elektrikŋusẽ te ŋu xea mɔ na wo, eye dzo mete ŋu nɔa te ɖe enu o (si ade 230°C). Tiae le nusi nètsɔ ɖo nɔƒe gbãtɔ nu.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ naa atikewo te ŋu nɔa te ɖe enu etɔxɛe, eye wòte ŋu nɔa te ɖe aɖi sesẽwo, alkaliwo, lãmenugbagbeviwo ƒe ʋeʋẽ lilili, kple ya siwo gblẽa nu le ame ŋu nu. Nyati sia ƒo nu tso eƒe nusiwo te ŋu nɔa te ɖe dɔlékuiwo nu, seɖoƒe siwo le eŋu (alkali-ga siwo wofa, fluorin-nu sesẽwo), kple nu veviwo abe dzoxɔxɔ, eƒe kpekpeme, kple mɔ̃wo ƒe nuteɖeamedzi ene tsitotsito.

Menye avɔ si wotsɔa fiberglass wɔe koe PTFE ƒe tsidedee nye o. Nyati sia ɖe nu 7 bubuwo ɖe go – aramid, carbon fiber, PBI, porous metal, graphite, asbestos (woɖee ɖa vivivi), kple ceramic fillers – kple woƒe dɔwɔwɔ ƒe nɔnɔmewo, viɖewo, seɖoƒewo, kple dɔwɔwɔ veviwo.

Nyati sia ɖe nusita fiberglass avɔ si me alkali mele o ye nye nusi wodi wu be woatsɔ awɔ PTFE avɔ si me dzoxɔxɔ le ŋutɔ la me. Eƒo nu tso atikewo ƒe kadodo to silane coupling agents kple dzɔdzɔmenu veviwo abe dzoxɔxɔ ƒe liƒo, didime ƒe liƒo, kple xɔxlɔ̃ ƒe tsitretsitsi ŋu – si naa dɔwɔwɔ nɔa anyi didi le nɔnɔme sesẽwo me.