PTFE ay-tεmpratura tep dεm we dεn stכr insay rol fכm kin sכfa frכm intalayεr adheshon (bכk) εn adhesive tכnfכs to di nכn-stik sayd. Rut kɔz: PTFE film ɛlastik mɛmori ɛn silikon PSA krip ɔnda prɛshɔn ɛn ɔt. Sɔlv: gradient wayndin tɛnsiɔn – tayt pan ɔda layers, lɔs pan insay layers – yuz klos-lɔp tɛnsiɔn kɔntrol. kompliment wit rilis kotin, propa stכrej (15-40°C, 30-70% RH), כrizכnal plesmεnt, εn kwata rol roteshכn.

PTFE ay-tɛmpracha tep we dɛn yuz fɔ kɔntakt it fɔ rɛspɛkt strikt tɛmpracha limit: ≤260°C fɔ kɔntinyu fɔ yuz (nɔ gɛt tɛm limit), 260-300°C fɔ te 30 minit nɔmɔ, ɛn >300°C nɔ fɔ yuz am. Di tep na fɔ indaykt kɔntakt nɔmɔ (tre layna, ɔt sila kɔva), nɔto fɔ rap it dairekt wan. Nɔ ɛva wok we yu nɔ gɛt lod fɔ it (dray ɔt). Riples if i gɛt blista, yɔlɔ, ɔ wɛr.

Silikɔn prɛshɔn-sɛnsitiv adeziv (PSA) fɔ PTFE ay-tɛmpracha tep dɛn kin difrɛn bad bad wan pan ay-tɛmpracha ol pefɔmɛns. methylphenyl silicone PSA de kip >85% peel strכng afta 250°C/7 de, we standad methyl tayp de dכp to 50-70%. adishכn-kכyur (haydrosilylation) sistεm dεm de gi bכku bεtε stεbiliti pas pεrכksayd-kכri. Fɔ kɔntinyu 200°C+ savis, pik adishɔn-kyud ay-fɛnil gred dɛn.

Tɛmli kɔnduktiv PTFE prɛshɔn-sɛnsitiv adeziv (PSA) tep dɛn fɔ kɔndɔkt ɔt we dɛn de stika. If yu ad fila, i de mek di tɛmral kɔnduktiviti bɛtɛ bɔt i de ambɔg di adheshon. Optimal balans de yuz sfεrikal kכs patikyula dεm (as kכnduktiv skel) we dεn blεnd wit fayn patikyula dεm (fכ fulכp vכyd dεm), we de kip tכtal fil lod jכs oba di pεrkolashכn thrεshold. Nɔ yuz flɛks ɛn fayv; dɛn kin kil tak.

PTFE ay-tɛmpracha tep de sav di PV industri insay tu difrɛn wok dɛn: prɔses kɔnsumabl (de mek EVA ɔvaflɔ adheshon pan laminatɔ, sɔlda mask) ɛn lɔng-layf insuleshɔn (bɔsbar wrap, jɔnkshɔn bɔks fikseshɔn). Fɔ yuz intanɛnt fɔ ɔltɛm, tep dɛn fɔ pas IEC 61215: 1000-2000h damp ɔt, UV, tɛmal sayklin (-40°C to +85°C), wit silikon PSA ɛn shrinkage <1%.

PTFE ay-tɛmpracha tep we dɛn aplay to ɔt-silin naif ɛn silin strip dɛn de gi 4 kɔr valyu dɛn: i de mek di plastic we dɔn rɔtin nɔ adheshon (i de pul di dawt tɛm), i de protɛkt di dia dia siling day, i de homogenizes ɔt/prɛshɔn fɔ kɔnsistɛns sil, ɛn i de ridyus di film frikshɔn. Fayba glas-bak tep (0.13-0.25 mm) wit silikon PSA (≥260°C) na di rεkomεnd. Anti-statik blak tep fɔ ay-spid layn dɛn.

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 fכl) 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.

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 kroslink 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.

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.