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.

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.

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 da sɔ 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.

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.

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 dzoxɔxɔ gã avɔ (PTFE membrane nu) nye tiatia nyuitɔ kekeake na tensile xɔtuɖaŋu. Viɖe veviwo: ƒe 30+ ƒe gota agbenɔnɔ, anyigba si dzi woate ŋu akɔ eɖokui ɖo (tsidzadza klɔa ɖi), kekeli falɛfalɛ ƒe kaka (6-13%), Dzo ƒe dzeside si le Klass A, kple ŋusẽ si le abe gakpo ene si mede 1.5 kg/m2 o. Wozãnɛ le bɔlƒoƒewo, yameʋudzeƒewo, kple xɔ siwo nye dzesiwo le xexeame katã.