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 zafi mai narkewa, isarwa mara kyau), murfin mara amfani da zane don matsewar zafi mai lebur (yana kare platens daga gurɓataccen gurɓataccen abu), bel ɗin jigilar jigilar dige dige / foda layin layi (yana kiyaye daidaitaccen mannewa / ɗigon suturar ƙarfe). 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, tare da jurewar acid mai ƙarfi (ciki har da aqua regia), alkalis mai ƙarfi (a dakin zafin jiki), abubuwan kaushi na halitta, da wakilai na 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 abubuwan ƙari), delamination (ƙancewar damuwa ya wuce mannewa), matakin bushewar ruwan lemu, peelkageven peeling, lemu mai bushewa. 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.

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 ingantaccen rufin thermal (sarkin iska mai kama da tarko), ingantacciyar daidaituwa, ingantaccen tacewa, da haɓaka juriya / juriya - a farashin ɗan ƙaramin ƙarfi kaɗan. 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.

PTFE high-zazzabi masana'anta (PTFE-rubutun fiberglass) 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.

PTFE high-zazzabi masana'anta (PTFE-rufi fiberglass) yana da kyau kwarai thermal girgiza juriya a cikin al'ada aiki kewayon -70 ° C zuwa 260 ° C. Yana iya jure wa hawan keke cikin sauri, misali, motsi daga injin daskarewa -50°C zuwa matsananciyar zafi 260°C. Darajojin ƙima har ma suna tsira da sanyi kwatsam daga 260°C zuwa ruwa 10°C. Koyaya, girgiza kayan daga yanayin zafi sama da 300°C (kusa da ma'aunin narkewar PTFE 327°C) zai haifar da fashewa nan take. Ƙarƙashin fiberglass yana ba da kwanciyar hankali mai girma; da PTFE shafi ne iyakance factor.

PTFE high-zazzabi masana'anta da aka yadu amfani a cikin sinadaran masana'antu for bakwai key aikace-aikace: flange gaskets da bututu rufi (juriya da karfi acid / alkalis), reactor da tanki linings (hana karfe lalata, sauki tsaftacewa), tace bags for m flue gas (har zuwa 260 ° C), anti-lalacewa fadada gidajen abinci ga ducts, anti-padssion, m tufafi ga ducts, anti-adhesion m, walƙiya sakewa ga ducts. rufi wraps. FDA da UL maki akwai.

PTFE high-zazzabi masana'anta (PTFE-rufi fiberglass) yayi hudu key abũbuwan amfãni a matsayin anti-lalata rufi: sinadaran inertness (juya aqua regia, karfi alkalis, kaushi), fadi da zafin jiki kewayon (-70 ° C zuwa 260 ° C ci gaba, 350 ° C ganiya), girma da kwanciyar hankali (<0.5% ginawa surface), da kuma hana girma da kwanciyar hankali. Ana amfani da shi a cikin bututun sinadarai, hasumiya mai lalata sulfur, tankunan girki, da kayan abinci/pharma. Ana samun maki FDA.