PTFE ay-tεmprachכ tep de lכs adheshon afta yus am ripit biכs fכ di sכfayz kכntaminεshכn (dכst, silikon כyl), adhesive kכhεsiv fεil (rεsidyu), כ wik sabstεrayt bכnd. Sɔlv dɛn: ay-krɔslink silikon PSA (lɔ maykreshɔn, balans tak/holdin pawa), prayma tritmɛnt pan di PTFE sabstret, dens fayv glas bak, ɛn fayn hanlin (klin sɔfays, kol pil, 180° angle). Kwantitaytiv tɛst de validet impɔtant improvement.

PTFE ay-tεmprachכ tep we dεn stכr כnda spεsifi k kכndishכn dεm (10-25°C, 40-70% RH, we de fa frכm UV/hεvi prεshכn) gεt standad shelf layf fכ 3-6 mכnt (prεmiכm gred dεm we de rich 12 mכnt). di ki dεgradashכn thrεshold dεm: di trεnk fכ di pil nכ fכ dכn dכn 70% fכ di fכs valyu; nɔ adhesive rɛsɛdyu afta dɛn dɔn pul am na di ay tɛmpracha; nɔ kabɔnayzeshɔn ɔ krak na di rayt tɛmpracha. Kwik chɛk: manual unwinding fil, 260°C rɛsɛdyu tɛst, ɛn lamination shrinkage tɛst.

Rol PTFE tep kin divεlכp intalayεr adheshon (bכk) εn adhesive tכnfכs di tεm we dεn de stכr am fכ lכng tεm. Di tin dɛn we kin mek am: PTFE film ɛlastik mɛmori ɛn silikon PSA de krip ɔnda prɛshɔn/ɔt. Prɛvenshɔn: gradient wayndin tɛnsiɔn (ɔta tayt, insay lɔs) we dɛn de mek am, plus rilis kɔtin na di sayd we nɔ de adhesive. Stɔr na -15°C to 40°C, 30-70% RH, ɔrizɔntal pan rɛk, rɔta rol dɛn ɛvri kwata. Fɔ tik adhesive gred, ad rilis pepa bitwin layers.

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 in i 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 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.