Tef ɗin PTFE ɗin da aka yi birgima zai iya haɓaka mannewar interlayer (tarewa) da canja wurin m yayin ajiya na dogon lokaci. Dalilai: PTFE film na roba ƙwaƙwalwar ajiya da silicone PSA creep karkashin matsa lamba / zafi. Rigakafin: tashin hankali mai jujjuyawa (tsatsewa na waje, sako-sako na ciki) yayin masana'anta, tare da sakin shafi akan gefen mara mannewa. Ajiye a -15°C zuwa 40°C, 30-70% RH, a kwance akan tarukan, jujjuya jujjuyawar kwata-kwata. Don maki mai kauri mai kauri, ƙara takardan saki tsakanin yadudduka.

PTFE high-zazzabi masana'anta yayi shida key abũbuwan amfãni a matsayin bugu conveyor bel: maras sanda surface (bugu manna da tawada saki da tsabta), 260 ° C zafi juriya (ingancin bushewa), girma kwanciyar hankali (<0.5% elongation, daidai rajista), sinadaran inertness (jure lalata pastes), low gogayya (m aiki), da kuma customizable. Mafi dacewa don buga allo, bugu na dijital, da aikace-aikacen canja wurin zafi.

Anti-tsaye PTFE high-zazzabi masana'anta hadawa maras sanda, zafi-resistant (260 ° C), da kuma chemically inert Properties na daidaitaccen PTFE tare da a tsaye-dissipative yi. Maɓallin aikace-aikacen: masana'anta na lantarki (Lamination PCB, kayan sarrafa kayan aiki), PV module lamination (hana lalacewar ESD ga ƙwayoyin hasken rana), sarrafa abinci da sarrafa magunguna (ESD-lafiya baking liners), shuke-shuken sinadarai (anti-lalata, anti-static ducting), da masana'antar yadi / bugu. Juriyar saman ƙasa yawanci 10⁶-10⁹ Ω.

PTFE high-zazzabi kaset da aka adana a cikin siffan nadi zai iya sha wahala daga interlayer adhesion (tarewa) da kuma canja wurin m zuwa ga mara sanda gefe. Tushen haddasawa: PTFE fim na roba ƙwaƙwalwar ajiya da silicone PSA creep karkashin matsa lamba da zafi. Magani: tashin hankali mai jujjuyawar gradient - matsewa a kan yadudduka na waje, sako-sako da yadudduka na ciki - ta amfani da sarrafa tashin hankali na rufaffiyar madauki. Cikawa tare da suturar saki, ma'auni mai dacewa (15-40 ° C, 30-70% RH), jeri a kwance, da jujjuyawar kwata-kwata.

Rayuwar sabis ɗin masana'anta mai zafin jiki na PTFE ya bambanta da yawa ta aikace-aikace. Rubutun rigakafin lalata na sinadarai na iya ɗaukar shekaru 3+ (4x ya fi na roba). Tirelolin burodin abinci watannin baya tare da raguwa kaɗan. Belin jigilar masana'antu suna sawa daga gogayya. PV lamination (150 ° C, EVA lamba) yana da matsakaicin rayuwa. Aikace-aikacen gogayya mai nauyi (fayafai masu ɓarna) suna da gajeriyar rayuwa. Maɓalli masu mahimmanci: kula da zafin jiki (tsayawa ≤260 ° C), guje wa ƙuƙumma masu kaifi, tsaftacewa na yau da kullum, da maye gurbin lokaci lokacin blister ko yellowed.

Tef mai zafin jiki na PTFE da aka yi amfani da shi a cikin hulɗar abinci dole ne ya mutunta ƙayyadaddun zafin jiki: ≤260°C don ci gaba da amfani (ba iyaka), 260-300°C har zuwa mintuna 30 kawai, kuma> 300°C haramta. Tef ɗin don tuntuɓar kai tsaye ne kawai (masu linin tire, murfin zafi), ba nade abinci kai tsaye ba. Kada a taɓa yin aiki ba tare da nauyin abinci ba (bushewar dumama). Sauya idan blish, yellowed, ko sawa.

PTFE high-zazzabi masana'anta (PTFE-rufin fiberglass) yana dadewa lokacin da aka kiyaye shi a ƙasa da 260 ° C, nesa da kaifi mai kaifi, kuma an tsaftace shi da kayan aiki masu laushi. Babban abubuwan da ke iyakance rayuwa: lalatawar thermal sama da 260 ° C, girgiza thermal daga saurin dumama / sanyaya, gajiyar injiniya daga lankwasa da tashin hankali, harin sinadarai daga narkakken alkali karafa ko oxidizers mai ƙarfi, lalacewa daga goge ƙarfe yayin tsaftacewa, da bayyanar UV don amfani da waje. Ingantattun sutura da substrate kuma suna da mahimmanci.

PTFE high-zazzabi masana'anta yana da kwanciyar hankali har zuwa 300 ° C, amma a cikin wuta yana rushewa kuma yana fitar da iskar gas mai guba: hydrogen fluoride (HF) (corrosive, pulmonary edema) da perfluoroisobutylene (PFIB) (marasa launi, rashin wari, ~ 10x mafi guba fiye da phosgene, babu maganin rigakafi). Hakanan carbon monoxide, ragowar PFOA, da gano dioxins. Masks na hayaki na yau da kullun ba su da tasiri; Yi amfani da na'urar numfashi mai ɗaukar kai (SCBA). Alamun na iya jinkiri.

Silicone matsa lamba-sensitive adhesives (PSA) don PTFE high-zazzabi kaset bambanta yadu a cikin high-zazzabi na aikin tsufa. Methylphenyl silicone PSA yana riƙe> 85% ƙarfin kwasfa bayan kwanaki 250 ° C/7, yayin da daidaitaccen nau'in methyl ya faɗi zuwa 50-70%. Tsarukan da aka warkar da su (hydrosilylation) suna ba da kwanciyar hankali fiye da warkewar peroxide. Don ci gaba da sabis na 200°C+, zaɓi ƙarin makin da aka warkar da babban-phenyl.

Tef ɗin PTFE masu ɗaukar zafi na zafin jiki (PSA) dole ne su gudanar da zafi yayin tsayawa tsayin daka. Ƙara filaye yana inganta haɓakar zafin jiki amma yana cutar da mannewa. Mafi kyawun ma'auni yana amfani da ƙananan barbashi (kamar kwarangwal mai ɗaukar nauyi) gauraye da ɓangarorin lafiya (don cike ɓoyayyi) tare da adana jimlar filler sama da madaidaicin ƙofa. Ka guji flakes da zaruruwa; suna kashe wuta.