Wok insay ɛni solar panɛl faktri. Di laminator de rɔn na 150°C, i de prɛs EVA ɛnkapsulɛnt bitwin glas ɛn bakshit. If PTFE tep nɔ bin de, di EVA we dɔn rɔtin go ooze pan di itin pletɛn ɛn di silikon dayafragm, we go mek wan stika mɛs we de pwɛl di nɛks panɛl ɛn tek awa fɔ skrap ɔf.
Na dat na di we aw dɛn de yuz am klia wan. Bɔt wan de we dɛn nɔ kin si bɛtɛ: insay di modul we dɛn dɔn dɔn, .PTFE tep de rap rawnd bɔsba usay dɛn de pas tru bakshit opin, we de mek ay-vɔltɛm krip. Fɔ 1500V sistem (standad tide), dis insuleshɔn na sefty must.
Aokai PTFE de saplae ɔl tu di kayn – prɔses kɔnsumabl ɛn pɔrmanent insuleshɔn – wit difrɛn difrɛn rikwaymɛnt dɛn. Lɛ wi waka tru usay PTFE tep de go insay wan PV mɔdyul, ɛn us prɔpati dɛn impɔtant fɔ ɛni spat.
Usay Dɛn De Yuz PTFE Tep na Solar Modul Prodakshɔn
Nɔto wan aplikeshɔn – fayv.
Ples
Pat
Tayp fɔ Tep
Ki Dimand
Laminator ed dɛn
Kech we de ɔvaflɔd EVA/POE
PTFE we gɛt fayv glas wit silikon PSA
Nɔn-stik, peel klin, 150°C+
Busbar insuleshɔn (insay mɔdyul) .
Prɛvent shɔt to bakshit/frɛm
Solid PTFE film (nɔ gɛt glas) .
Dielektrik strכng >8kV, <1% shrinkεj
Jɔnkshɔn bɔks tɛminal dɛn
Insulate solder joints, fiks waya dɛn
PTFE film ɔ tin fayv glas
UL94 V-0, 85°C kɔntinyu, vaybreshɔn rɛsistɛns
Mask fɔ sɔlda (stringer/riwok) .
Protɛkshɔn fɔ sɔm tɛm
Tin PTFE tep, silikon ɔ prɛmiɔm akrilik
Sɔlda-repellent, nɔ rɛsɛdyu afta dɛn dɔn pul am
Mask we de kɔt (frɛm / jɔnkshɔn bɔks pɔtin) .
Mask off eria frɔm peint/pɔt
PTFE tep wit ay initial tak
Klin rilis, nɔ adhesive transfa
Laminator Edge Protection – Fɔ fɛt EVA Stiknɛs
di tεm we dεn de laminεshכn (145-165°C, 15-25 minit), di EVA εnkapsulεnt de mεlt εn fכ fכlכ. Sɔm kin swɛt kɔmɔt na di ed dɛn we nɔ go ɛva apin. If i kɔntakt di mɛtal ɔt plet ɔ di silikon vaykum dayafragm, i kin bon fɔ ɔltɛm.
Aw PTFE tep de sɔlv am
PTFE tep we dɛn put pan dɛn say ya de mek di EVA we dɔn wɛl kɔmɔt insay wan pis. Di wan dɛn we de wok de was di tep wit klos bitwin saykl dɛn, ɛn wan aplikeshɔn kin las fɔ sɔm wiks.
Wetin fɔ luk fɔ insay lamination tep
Sabstret: Fayba glas-riinfɔs PTFE (0.13-0.18mm). Pure PTFE film tears tu izi wen yu de skrap off cured EVA.
Adhesive: Na silikon PSA nɔmɔ. Akrilik de sof ɛn ooz na 150°C, we de kɔntamin di laminatɔ.
Hεt shrinkage: Nεglijibl pan laminεshכn tεmprachכ – tep nכ fכ kכl כ εkspos mεtal ed dεm.
Low outgassing: Ɔnda vaykum lamination, volatil frɔm po-kwaliti adhesive kin mek bɔbul dɛn na di modul. Tכtal mas lכs <1% na gud tכgεt.
Frɔm di faktri flo : Wan modul mek-a ripɔt se dɛn ridyus di laminator klin dauntaym frɔm 45 minit pan ɛni shift to 5 minit afta dɛn swich to wan prɛmiɔm fayv glas-bɛk PTFE tep wit ay-krɔslink silikon adeziv. Di tep bin kɔst mɔ bifo tɛm bɔt i bin pe fɔ insɛf insay tu wiks.
Insay di modul we dɔn dɔn, di bɔsbar dɛn (tin kɔpa ribin) kin kɔnɛkt sɛl string dɛn to di jɔnkshɔn bɔks. Usay dɛn pas tru wan slit na di bakshit, ɔ bɛn nia di aluminiɔm frem, di insuleshɔn kliarens kin tayt. PTFE tep de rap rawnd di busbar na dɛn pɔynt ya.
Dis tep nɔto tin we pɔsin kin yuz . I fɔ las di modul in warranty layf – 25 ia ɔ mɔ – na do, ɔnda UV, tɛmpracha sayklin (-40°C to +85°C), ɛn damp ɔt (85°C/85% RH).
Kritikal spɛsifikɛshɔn fɔ busbar insuleshɔn tep
Di tin we dɛn nid fɔ du
Wetin Mek I Impɔtant
Dielektrik trɛnk ≥8kV (0.08mm) / ≥10kV (0.13mm)
I fɔ de ay afta 1000-2000h damp ɔt ol (IEC 61215) .
Tכtal shrinkεj ≤1% (i fayn fכ ≤0.5%)
I de mek bakshit strɛs ɔ ɛksplɔz bɔsbar afta tɛmral saykl
CTI 600V (PTFE natura) .
No kɔnduktiv kabɔn trak ɔnda sɔfayz kɔntaminɛshɔn
UV resistans (fɔ dabl-glas modul dɛn) .
Adhesive nɔ fɔ degrad frɔm ed layt penetreshɔn
Silikɔn PSA, nɔto akrilik
Akrilik de haydrolayz ɔnda damp ɔt, i de lɔs adheshon ɛn autgas asɛtik asid
UL94 V-0 ɔ VTM-0
I nid fɔ gɛt sefty sɛtifiket (UL 510) .
Indastri not: Sɔm pipul dɛn we de mek mɔdyul we nɔ de tek bɔku mɔni kin yuz polyimide (Kapton) tep fɔ insuleshɔn na di bɔsbar. Pan ɔl we polyimide gɛt ay dayelɛktrik trɛnk, i de absɔb mɔstɔ ɛn i kin lɔs insuleshɔn prɔpati dɛn we di ɔt we wet. PTFE de stil stebul. Fɔ 1500V modul dɛn, PTFE de spɛsifa mɔ ɛn mɔ.
Junction Box Fikseshɔn & Insuleshɔn
Insay di jɔnkshɔn bɔks, di bɔsbar tel dɛn de sɔlda to di dayɔd/tɛminal blɔk. PTFE tep de du tu rol: insuleshɔn usay bare kɔndɔkt dɛn de nia, ɛn mɛkanikal fikseshɔn – tep waya dɛn dɔŋ de mek di vaybreshɔn taya.
Wetin mek fɔ mek pɔsin nɔ gɛt faya na sɔntin we pɔsin fɔ du
Di jɔnkshɔn bɔks na pɔtɛnɛshɛl ignin sɔs if di baypas dayɔd nɔ wok shɔt. PTFE tep ya fɔ gɛt UL94 V-0 raytin. Dɔn bak, i fɔ ebul fɔ handle kɔntinyu ɔt frɔm di dayɔd (tipikli 85-90°C) we nɔ de krip ɔ lɔs adheshon.
Tin PTFE film tep (0.05-0.08mm) de wok fayn ya bikɔs i de rap tayt wan rawnd waya ɛn tɛminal dɛn.
Soldering Mask & Tɛmpɔral Protɛkshɔn
We dɛn de tab ɛn string, fluks ɛn mɔlt sɔlda kin splat pan sɛl dɛn, we kin mek kɔsmɛtik difrɛn ɔ maykro krak. PTFE tep de kɔba di sɛl ed dɛn ɔ say dɛn we nɔ de sɔlda fɔ sɔm tɛm.
Difrɛn tin dɛn we dɛn nid – nɔ nid fɔ ol fɔ lɔng tɛm
Jɔs ay ɔt rɛsistɛns (brif ɛksplɔshɔn to 300°C+ frɔm sɔlda ayɔn), sɔlda-ripɛlent sɔfays, ɛn ziro rɛsɛdyu afta dɛn dɔn pul am. Ivin akrilik adeziv kin wok ya bikɔs di ɛksplɔshɔn shɔt ɛn di tɛmpracha kin ay – bɔt silikon kin sef fɔ ɛni ɔt we pas 200°C.
Kwik Selekshɔn Cheat Sheet
Aplay fɔm
Sabstret we dɛn kɔl
Adhesive we dɛn kin yuz fɔ adhesive
Ki Tɛst fɔ Rikwest
Laminator edj protɛkshɔn
Fayba glas PTFE 0,13-0,18mm
Silikɔn PSA (260°C rayt) .
Outgasing mas lɔs <1% .
Busbar insuleshɔn (fɔ ɔltɛm) .
Solid PTFE film 0,08-0,13mm
Silikɔn PSA (hay kroslink) .
IEC 61215: 1000h damp ɔt + tɛmal sayklin + UV
Junkshɔn bɔks insuleshɔn
PTFE film 0,05-0,08mm
Silikɔn PSA, UL94 V-0
Flame rating, dielektrik trɛnk
Mask fɔ sɔlda
Tin PTFE film ɔ tep
Silikɔn ɔ prɛmiɔm akrilik
No rεsidεnt afta di pεl tεst na 200°C
Faynal Takeaways dɛn we dɛn kin tek
Tu rili difrɛn PTFE tep kategori dɛn de sav di PV industri.
Silicone PSA na non-negotiable fɔ ɛni tep we go si 150°C+ ɔ 25 ia ɔda layf.
Aokai PTFE de saplae ɔl tu di kategori dɛn wit tɛst dɔkyumentri. Fɔ busbar insuleshɔn, wi de gi damp ɔt ɛj dayelɛktrik trɛnk data. Fɔ lamination tep, wi de ɔfrɛd outgassing analisis ɛn fil layf rɛfrɛns.
