Silikoni titẹ-kókó adhesives (PSA) fun PTFE ga-otutu teepu yatọ ni opolopo ni ga-otutu išẹ ti ogbo. Methylphenyl silikoni PSA da duro> 85% agbara peeli lẹhin 250 ° C/7 ọjọ, lakoko ti iru methyl boṣewa lọ silẹ si 50-70%. Awọn ọna ẹrọ ti a ṣe imularada (hydrosilylation) nfunni ni iduroṣinṣin to dara julọ ju peroxide-ni arowoto. Fun iṣẹ 200°C+ lemọlemọfún, yan afikun-iwosan awọn gilaasi giga-phenyl.

Awọn teepu ifamọ PTFE titẹ-kókó (PSA) awọn teepu gbọdọ ṣe ooru lakoko ti o duro alalepo. Ṣafikun awọn ohun elo imudara imudara igbona ṣugbọn o dun ifaramọ. Iwontunwonsi to dara julọ nlo awọn patikulu isokuso ti iyipo (gẹgẹbi egungun adaṣe) ti o dapọ pẹlu awọn patikulu ti o dara (lati kun awọn ofo), titọju ikojọpọ kikun kikun ni oke ala-ilẹ percolation. Yago fun flakes ati awọn okun; nwọn pa tack.

PTFE ga-otutu fabric (PTFE-coated fiberglass) jẹ apẹrẹ fun alapapo makirowefu nitori pe o ntan microwaves laisi gbigba agbara, koju 260 ° C, ati pe o ni aaye ti kii ṣe igi. Awọn ohun elo pẹlu awọn maati ti o yan makirowefu, awọn beliti gbigbe ẹrọ gbigbẹ ile-iṣẹ, awọn ohun elo riakito fun tito nkan lẹsẹsẹ kemikali, ati awọn laini apo guguru microwave. FDA onipò wa fun ounje olubasọrọ.

PTFE ga-otutu fabric (PTFE-ti a bo gilaasi) ni o ni ko dara Flex resistance nitori awọn fiberglass sobusitireti jẹ inherently brittle. Awọn aṣọ tinrin (0.08mm) ye awọn ọgọọgọrun si ẹgbẹẹgbẹrun awọn ipada; eru onipò (> 0.25mm) kiraki lẹhin dosinni. Satin weave ṣe ju weave pẹtẹlẹ lọ. Fun titẹ atunṣe atunṣe lemọlemọfún, ronu fiimu PTFE ti o lagbara tabi aṣọ ti o da lori aramid dipo.

Teepu iwọn otutu giga PTFE n ṣe iranṣẹ ile-iṣẹ PV ni awọn ipa pataki meji: ilodi ilana (idinamọ ifunmọ ṣiṣan EVA lori awọn laminators, boju-boju) ati idabobo igbesi aye gigun (ewé busbar, imuduro apoti ipade). Fun lilo inu titilai, awọn teepu gbọdọ kọja IEC 61215: 1000-2000h ooru ọririn, UV, gigun kẹkẹ gbona (-40 ° C si + 85 ° C), pẹlu silikoni PSA ati isunki <1%.

PTFE ti o ni iwọn otutu ti o ga julọ (figilaasi ti a bo PTFE) ni lilo pupọ ni titẹ sita aṣọ ati awọ fun awọn beliti gbigbe gbigbe ooru (180-230 ° C), awọn ideri tabili titẹ iboju, awọn beliti mesh gbigbẹ, awọn beliti ẹrọ fifẹ, ati fifẹ rola. Ilẹ ti kii ṣe igi ṣe idilọwọ inki / aloku alemora, idinku akoko isinmi mimọ ati imudarasi didara aṣọ. Awọn igbanu ailopin ti ko ni ailopin jẹ ki iṣelọpọ tẹsiwaju.

Teepu iwọn otutu giga PTFE ti a lo si awọn ọbẹ lilẹ ooru ati awọn ila titọ n pese awọn iye mojuto mẹrin: ṣe idiwọ ifaramọ ṣiṣu didà (yokuro downtime), ṣe aabo lilẹ gbowolori ku, imudara ooru / titẹ homogenizes fun awọn edidi dédé, ati dinku ija fiimu. Teepu ti o ni atilẹyin fiberglass (0.13-0.25 mm) pẹlu PSA silikoni (≥260°C) ni a gbaniyanju. Anti-aimi dudu teepu fun ga-iyara ila.

Aṣọ iwọn otutu giga PTFE (figilaasi ti a bo PTFE) jẹ media àlẹmọ Ere fun awọn ipo to gaju: yiyọ eruku gaasi eefin (simenti, isunmi egbin, awọn igbomikana eedu titi di 260 ° C), isọ omi ibajẹ (acids, alkalis, epo), ounjẹ / ile elegbogi isọdi alaabo, ati Asẹ mimọ HEPA. Ilẹ ti kii ṣe igi ṣe idilọwọ eruku eruku ati gba laaye mimọ. Membrane-laminated grades se aseyori olekenka-kekere itujade.

Aṣọ iwọn otutu giga PTFE n ṣetọju idabobo itanna to dara julọ lati -180 ° C si 260 ° C: resistivity iwọn didun> 10¹³ Ω · cm ni 200 ° C, iduroṣinṣin dielectric nigbagbogbo ni 2.0-2.1. Loke 260°C, PTFE rọra, jẹjẹ loke 327°C, padanu idabobo patapata. Ni isalẹ 0°C, idabobo dara si ṣugbọn ti a bo di brittle. Duro laarin 260 ° C fun iṣẹ ti o gbẹkẹle.

Ohun-ini idena oru omi ti teepu alemora PTFE jẹ ipinnu nipataki nipasẹ awọn abawọn ti a bo (micropores, microcracks, wicking fiber) kuku ju hydrophobicity inu PTFE. Fiimu PTFE mimọ nfunni ni WVTR alabọde nikan. Olona-Layer ti a bo ati lamellar fillers (mica, gilasi flakes) ṣẹda a labyrinth ipa, drastically atehinwa oru gbigbe. Fun ifasilẹ ọriniinitutu giga, pato awọn ideri iwuwo.