PTFE ay-tɛmpracha fabrik (PTFE-coated fiberglass) na prɛmiɔm filta midia fɔ ekstrim kɔndishɔn: fɔ pul flu gas dɔst (simɛnt, west insinɛshɔn, kol bɔyl dɛn we go rich 260°C), kɔrosiv likwid filtreshɔn (asid, alkali, ɔyl), it/famasiutik steril filtreshɔn, ɛn HEPA klin rum filta. Di say we nɔ stik kin mek dɔst nɔ kek ɛn i kin mek i izi fɔ klin. Membran-laminated gred dεm de achy ultra-lכw efyushכn.

PTFE ay-tɛmpracha klos de mentɛn fayn fayn ilɛktrik insuleshɔn frɔm -180°C to 260°C: volyum rɛsistiviti >1013 Ω·cm na 200°C, dayelɛktrik kɔnstant stebul na 2.0-2.1. oba 260°C, PTFE de sof, i de kכmכt oba 327°C, i de lכs insulεshכn fכ כltεm. dכn 0°C, insulεshכn de impruv bכt di kכt de bi brit. Stay insay 260°C fɔ rili pefɔmɛns.

di wata vapour barεri prכpati fכ PTFE adhesive tep dεn de ditarεmin am fכs bay di kכt dεfεkt (maykropכr, maykrokrak, fayv wik) pas PTFE in intrinsik haydrofכbisiti. Pure PTFE film ofa onli midul WVTR. mכlti-layεr kכtin εn lamellar filεr dεm (mayka, glas fεk) de mek wan labirint ifekt, we de ridyus di vapour transmishכn dεm bad bad wan. Fɔ silin we gɛt ay-humidity, spɛsifa densified kɔtin dɛn.

PTFE ay-tɛmpracha fabrik (PTFE-coated fiberglass) na fayn tin fɔ it kɔnvayɔr bɛlt bikɔs ɔf in 260°C ɔt rɛsistɛns, -70°C kol fleksibiliti, nɔ-stik sɔfays, ɛn FDA kɔmplians. Ki aplikeshɔn dɛn: bekeri ɔvin (biskit, bred, pizza), fried it kɔnvayɔ, kandy kol layn, friz tanɛl, ɔt sila, ɛn rɔla rap. I de ridyus di tɛm we dɛn de west ɛn fɔ klin.

Krip rɛsistɛns fɔ PTFE ay-tɛmpracha adeziv tep ɔnda lɔng tɛm kɔnstant lod (espɛshali na 200-260°C) na tu tin dɛn de ditarmin am: silikon PSA kroslink dɛnsiti (hay kroslinkin de mek flɔ nɔ flɔ) ɛn sabstret tayp (fayba glas-rɛinfɔs PTFE de rɛsist kol krip; pure PTFE film krip). Adhesive we nɔ krɔs kin fel kwik kwik wan we di ples wam pasmak. Tik adhesive layers inkrisayz krep risk.

Fɔ PTFE ay-tɛmpracha tep we dɛn yuz insay abrasive sliding frikshɔn aplikeshɔn, standad nɔ-stik ɛn ɔt rɛsistɛns nɔ inɔf. Ki selekshɔn krayteria: Taber abrashɔn lɔs (<15 mg/1000 saykl), ful modifyed PTFE kɔtin (kabɔn/grafayt/MoS2), PV limit data, sabstret trɛnk (≥200 N/cm), ɛn mating sɔfays rɔfnɛs (Ra 0.2-0.4 μm). Prɔpa edj protɛkshɔn ɛn ful bonding na impɔtant tin fɔ mek i liv lɔng.

Surface finishing agents we dɛn aplay to fiberglass fabric bifo PTFE coating na impɔtant tin fɔ fayn PTFE ay-tɛmpracha klos pefɔmɛns. כrganosilane kכplεn ejen dεm de mek mכlikul brij bitwin inכrganik glas fayba εn כrganik PTFE, we de bכst di trεnk fכ di pil frכm <2 N/cm to 4-8+ N/cm. di rayt tritmɛnt de ɛp bak fɔ mek yu nɔ gɛt wam (260°C+), yu nɔ de wok wit dayelɛktrik, ɛn i de mek yu nɔ gɛt kemikal. Fabrik we dɛn nɔ trit kin mek i delamination, bubbling, ɛn shɔt savis layf.

Warp ɛn weft density fɔ fayv glas fabrik de ditarmin PTFE ay-tɛmpracha klos pefɔmɛns. di hכy dεnsiti de inkrεs di tεnsil trεnk εn di sכfa smol sכft bכt i de ridyus tεar trεnk (invεst U-kכv), fεksibiliti, εn kכt pεnεtreshכn. Optimal density balans penetration, tear resistance, fleksibiliti, ɛn surface finish. Low density suits dinamik bɛnd; ay density fɔ nɔ-stik ɛn insuleshɔn.

PTFE sabstεrayt na inhεrentli sכlt spεy rεsistεnt (wata absכpshכn <0.01%). כltu, di כvala tep pεrformεns dipכnt pan adhesive tכp: silikon PSA de tinap fכ marin envayroment (500-1000h sכlt spεray tεst,>80% pil rεtεnshכn); akrilik PSA de fel. Prɔpa sɔfayz tritmɛnt, bɔbul-fri aplikeshɔn, ɛn ed silin wit silikon silin na impɔtant tin fɔ lɔng tɛm rilaybiliti pan ɔfsho pletfɔm ɛn vessel dɛn.

Kalɛnda – we yu prɛs PTFE-kɔt fabrik bitwin di ɔt miro rɔla dɛn na 360-380°C – i de chenj di sɔfayz mɔfɔlɔji, rilis prɔpati, impermiabiliti, ɛn mɛkanikal pefɔmɛns bad bad wan. i de ridyus di rכf frכm Ra 0.5-1.0 μm to <0.05 μm, i de sial pinhol dεm, i de impruv di wear rεsistεns, bכt i de dכn di tεar strכng εn fleksibiliti. Impɔtant fɔ rilis layna ɛn ilɛktrik insuleshɔn.