PTFE high-zazzabi masana'anta yin burodi mats bayar da hudu key abũbuwan amfãni: ba tsaya yi (ba mai ko gari da ake bukata, m pastries saki da tsabta), fadi da zafin jiki kewayon (-70 ° C zuwa 260 ° C, lafiya ga tanda zuwa injin daskarewa), reusability (dubban hawan keke, sauki tsaftacewa), har ma da zafi conduction (hana kona, daidaita launin ruwan kasa). Abinci-sa FDA yarda, sun fi gaban takarda takarda da kuma fi na silicone tabarma tare da mafi zafi canja wurin da kuma fi kyau surface texture.

PTFE high-zazzabi masana'anta da muhimmanci a cikin tufafi interlining masana'antu. Maɓallin aikace-aikace: bel mara iyaka mara iyaka don injunan fusing mai ci gaba (hana manne mai zafi mai zafi, isar da ba tare da lanƙwasa ba), murfin da ba a taɓa yin amfani da shi ba da zane mai laushi don matsewar zafi mai lebur (yana kare platens daga gurɓataccen mannewa), bel ɗin jigilar jigilar dige dige / foda layin layi (yana ci gaba da kiyaye mannewa mai mannewa mai ɗaci, isar da sabulu mara kyau) Kauri daga 0.13mm (haske padding) zuwa 0.55mm (masu nauyi mai nauyi bel).

Anti-a tsaye PTFE masana'anta da aka samu ta hanyar manyan hanyoyi guda biyu: shafi doping (haɗuwa da masu maye kamar baƙar fata carbon cikin emulsion PTFE, ƙirƙirar cibiyar sadarwar percolation a mahimmancin maida hankali) da saƙa mai ƙima (ƙwaƙwalwar zaruruwa a cikin zanen fiberlass). Ana sarrafa juriya na saman a 10⁵-10⁹ Ω. Ka'ida: ƙirƙirar hanyar gudanarwa wanda ke zubar da cajin da ba daidai ba nan take, yana hana tarawa mai haɗari. Yin ƙasa wajibi ne don ingantaccen aiki.

PTFE high-zazzabi masana'anta (PTFE-rufi fiberglass) yana ba da keɓaɓɓen juriya na sinadarai, jurewar acid mai daɗaɗɗa (ciki har da aqua regia), alkalis mai ƙarfi (a dakin zafin jiki), abubuwan kaushi na halitta, da wakilai masu oxidizing. Banbancin: karafa na alkali da aka narkar da su da mahallin halogen masu zafi suna kaiwa PTFE hari. Lalacewar sutura tana fallasa fiberglass zuwa acid hydrofluoric da alkalis mai zafi mai zafi. Zazzabi sama da 260 ° C yana rage juriya. Ga mafi yawan mahalli na sinadarai, masana'anta na PTFE sun kasance da ƙarfi sosai kuma abin dogaro.

Bushewa mataki ne mai mahimmanci a cikin samar da masana'anta mai zafin jiki na PTFE. Lalacewar yau da kullun sun haɗa da: fatattaka ( bushewa da sauri, fatar jiki), ƙaura mai shafa (barbashi suna motsawa zuwa saman, raunin ciki mai rauni), ɗigon ruwa / blisters (iska mai kama da iska ko tururi), ɗigon fari da chalking ( ƙaurawar surfactant ko haɗuwa da bai cika ba), yellowing/coking (zazzaɓi na ƙari), delamination (kanƙuncewar damuwa ya wuce mannewa), matakin bushewa na lemu rigar ciki (fatar tarkon danshi), da kauri gefuna (sakamakon zoben kofi). Magani sun haɗa da bayanan bayanan bushewa mai sarrafawa, samun iska mai kyau, da pretreatment na ƙasa.

PTFE emulsion impregnation na fiberglass masana'anta na bukatar daban-daban auxiliaries cimma uniform shafi, karfi mannewa, da lahani-free saman. Key additives sun hada da: wetting jamiái (rage surface tashin hankali, inganta shigar azzakari cikin farji), thickeners (control danko da shafi nauyi), pH regulators (stabilize emulsion a pH 9-10), silane hada guda biyu jamiái (haɓaka mannewa zuwa gilashin), film-forming AIDS (PFA / FEP ga sintering), functional filler (mafi preventive), aiki fillers (wear) humectants (jinkirin bushewa). Zaɓin ya dogara da ƙayyadaddun kayan aiki da buƙatun aiki.

Faɗaɗɗen masana'anta na fiberglass (ƙarancin yarn yarn) ya bambanta da gaske daga masana'anta fiberglass na al'ada a cikin tsarin yarn. Ta hanyar maganin jet mai matsananciyar iska, ana raba filayen gilashin ci gaba, an gurɓace, kuma a juye su cikin ƙaranci, yarn mai kama da auduga. Wannan yana haifar da kauri, masana'anta mai laushi tare da mafi girman rufin thermal (sarkin iska mai kama da tarko), ingantacciyar daidaituwa, ingantaccen tacewa, da ingantaccen juriya / juriya - a farashin ɗan ƙaramin ƙarfi mai ƙarfi. Ana amfani da shi don gaskets masu zafin jiki, bututun bututu, jakunkuna masu tacewa, da hatimin tanda.

Raw kayan tsabta shine tushen PTFE high-zazzabi masana'anta yi. High-tsarki PTFE emulsion (babu ions karfe, babu ragowar ƙananan nauyin kwayoyin halitta) yana tabbatar da juriya na zafi (babu rawaya har zuwa 260 ° C), barga maras sanda, da ƙarfin ƙarfin lantarki. Don gilashin fiberglass, gilashin E-glass maras alkali (Na₂O <0.8%) yana kula da ƙarfi da rufi a yanayin zafi; gilashin matsakaici / high-alkali yana haifar da lalacewa. Cikakkiyar kawar da ma'aunin girman sakar yana hana carbonization da delamination. Tsafta kai tsaye yana shafar rayuwar sabis, bin matakin abinci, da amincin lantarki.

Daidaitaccen bushewar masana'anta na fiberglass yana da mahimmanci don shafi na PTFE na gaba, resin impregnation, ko lamination. Babban jiyya guda uku: cire danshi a 105-120 ° C (10-30 min dangane da nauyin nauyi), tsaftacewa / tsaftacewa na thermal a 300-450 ° C (LOI <0.1%, kaucewa> 500 ° C), da preheating a 60-100 ° C kafin rufewa. Sarrafa daidaituwar zafin jiki na tanda (± 5°C), tilastawa dehumidification, da kare yadudduka da aka yi wa silane ƙasa 110°C. Ajiye busassun masana'anta a cikin jakunkuna da aka rufe ko busassun dakuna (<30°C, <40% RH).

PTFE high-zazzabi masana'anta (Fiberglass mai rufi PTFE) kusan ba shi da sinadarai, amma wasu abubuwa suna haifar da lalata a ƙarƙashin takamaiman yanayi. Harin PTFE kai tsaye yana faruwa tare da narkakken alkali karafa (sodium, potassium), magunguna masu ƙarfi masu ƙarfi (F₂, ClF₃) a yanayin zafi mai zafi, da narkakken alkalis mai ƙarfi sama da 300°C. Lalata kaikaice yana faruwa lokacin da hydrofluoric acid (HF), alkalis mai zafi mai zafi, ko phosphoric acid mai zafi ya shiga cikin lahani kuma ya kai hari ga ma'aunin fiberglass. Don matsanancin sabis na sinadarai, yi amfani da fim ɗin PTFE mai tsabta ba tare da fiberglass ba.