A na-agbasa akwa fiberglass (akwa akwa yarn buru ibu) dị iche na nke a na-ahụkarị na akwa fiberglass na nhazi yarn. Site na ọgwụgwọ ụgbọ elu ikuku dị elu, a na-ekewa filamenti iko na-aga n'ihu, na-akpụ akpụ, na-atụgharị n'ime ụda olu, dị ka owu. Nke a na-emepụta akwa akwa, dị nro nke nwere mkpuchi ọkụ dị elu (ikuku ikuku tọrọ atọ), nkwekọ ka mma, arụmọrụ filtration dị elu, yana nkwụsi ike akwa/mgbanwe dị elu - na-eri obere ike nkwụsịtụ. Ejiri ya maka gaskets okpomọkụ dị elu, ihe mkpuchi ọkpọkọ, akpa nzacha, na akara oven.

Ịdị ọcha nke ihe onwunwe bụ ntọala PTFE elu-okpomọkụ ákwà arụmọrụ. Emulsion PTFE dị elu dị elu (enweghị ion metal, enweghị ihe fọdụrụnụ nke dị ala) na-eme ka nguzogide okpomọkụ (enweghị odo ruo 260 Celsius C), kwụsiri ike na-enweghị osisi, na ike dielectric dị elu. Maka fiberglass, E-glass na-enweghị alkali (Na₂O <0.8%) na-ejigide ike na mkpuchi na oke okpomọkụ; iko ọkara / elu-alkali na-akpata mmebi. Mwepụ zuru oke nke ndị na-akpa ákwà na-egbochi carbonization na delamination. Ịdị ọcha na-emetụta ndụ ọrụ ozugbo, nnabata ọkwa nri, yana ntụkwasị obi eletrik.

Kwesịrị ekwesị tupu ihicha akwa fiberglass dị oke mkpa maka mkpuchi PTFE na-esote, resin impregnation, ma ọ bụ lamination. Usoro ọgwụgwọ atọ: iwepụ mmiri na 105-120 ° C (10-30 min dabere na ịdị arọ), nhichapụ / ikpocha ọkụ na 300-450 ° C (LOI <0.1%, zere> 500 ° C), na ikpo ọkụ na 60-100 ° C tupu mkpuchi. Jikwaa otu okpomọkụ ọkụ ọkụ (± 5°C), mmanye ikuku, ma chekwaa akwa silane na-adị n'okpuru 110°C. Chekwaa ákwà a mịrị amị n'ime akpa ekpuchiri ekpuchi ma ọ bụ ụlọ akọrọ (<30°C, <40% RH).

PTFE elu-okpomọkụ teepu nwere magburu onwe nnu ịgba-eguzogide, ma na-adịghị ike ihe bụ nrapado oyi akwa na fiberglass mkpụrụ n'ọnụ. Ụzọ nyocha: 1000h na-anọpụ iche nnu ịgbasa (NSS), ịlele peel ike njide (≥80% chọrọ), visual ntụpọ (ebuli, ọnya), na metal substrate corrosion. Maka gburugburu oke mmiri na nnukwu nnu-nnu: jiri silicone PSA (ọ bụghị acrylic), mkpụrụ PTFE zuru oke, mechie ọnụ ya na mkpuchi ihu igwe na-eguzogide, ma tinye primer n'elu igwe.

PTFE akwa na-ekpo ọkụ (fiberglass mkpuchi PTFE) fọrọ nke nta ka ọ bụrụ kemịkalụ inert, mana ụfọdụ ihe na-akpata corrosion n'okpuru ọnọdụ ụfọdụ. Mwakpo PTFE ozugbo na-apụta na ọla alkali a wụrụ awụ (sodium, potassium), ndị na-eme fluorinating siri ike (F₂, ClF₃) na oke okpomọkụ, yana alkalis siri ike gbazere karịa 300°C. Corrosion na-apụtaghị ìhè na-eme mgbe hydrofluoric acid (HF), alkalis na-ekpo ọkụ na-ekpo ọkụ, ma ọ bụ phosphoric acid na-ekpo ọkụ banye n'ime ntụpọ mkpuchi ma wakpo mkpụrụ osisi fiberglass. Maka ọrụ kemịkalụ dị oke egwu, jiri ihe nkiri PTFE dị ọcha na-enweghị fiberglass.

Teepu okpomọkụ dị elu PTFE na-efunahụ adhesion ka ejiri ya ugboro ugboro n'ihi mmetọ elu (uzuzu, mmanụ silicone), ọdịda nrapado cohesive ọdịda (ihe fọdụrụ), ma ọ bụ njikọ na-adịghị ike. Ngwọta: akwa-crosslink silicone PSA (mbugharị dị ala, ike na-ejigide ike), ọgwụgwọ primer na mkpụrụ PTFE, nkwado fiberglass siri ike, na njikwa kwesịrị ekwesị (ebe dị ọcha, bee oyi, 180 ° n'akuku). Nnwale ọnụọgụ na-akwado nkwalite.

PTFE elu-okpomọkụ ákwà (PTFE-ntekwasa fiberglass) nwere magburu onwe thermal ujo eguzogide n'ime ya nkịtị ọrụ nso nke -70°C ka 260°C. Ọ nwere ike ịnabata ịgba ọsọ ọsọ nke okpomọkụ, dịka ọmụmaatụ, na-esi na friza -50°C gaa n'igwe ọkụ 260°C. Ọkwa ọkwa dị elu na-adị ndụ na mberede jụrụ oyi site na 260°C banye mmiri 10°C. Agbanyeghị, ihe na-awụ akpata oyi n'ahụ n'elu 300°C (n'akụkụ ebe mgbaze PTFE's 327°C) ga-eme ka mgbawa na delamination ozugbo. Mkpụrụ fiberglass na-enye nkwụsi ike akụkụ; mkpuchi PTFE bụ ihe na-egbochi ya.

PTFE elu-okpomọkụ ákwà na-ọtụtụ-eji na chemical ụlọ ọrụ asaa isi ngwa: flange gaskets na ọkpọkọ linings (na-eguzogide ike acids / alkalis), chernobyl na tank linings (na-egbochi metal corrosion, mfe ihicha), iyo akpa maka corrosive flue gas (ruo 260 ° C), mgbochi corrosion mgbasa nkwonkwo maka ducts, mgbochi-adhesion mwepu, eletrọnịkị na-eme ka ákwà mgbochi, mwepu mwepu, na-eme ka ọ dị ọcha. mkpuchi mkpuchi. FDA na UL grades dị.

PTFE elu-okpomọkụ teepu echekwara n'okpuru kpọmkwem ọnọdụ (10-25 ° C, 40-70% RH, pụọ UV / arọ mgbali) nwere a ọkọlọtọ shelf ndụ nke 3-6 ọnwa (premium akara ule ruo 12 ọnwa). Ọnụ ụzọ mmebi isi: ike bee agaghị ada n'okpuru 70% nke uru mbụ; enweghị ihe fọdụrụ na nrapado mgbe ewepụrụ oke okpomọkụ; enweghị carbonization ma ọ bụ cracking na gosiri okpomọkụ. Nleba anya ngwa ngwa: mmetụta iwegharị akwụkwọ ntuziaka, nnwale 260°C, na ule shrinkage lamination.

PTFE elu okpomọkụ akwa ákwà (PTFE-kpuchiri fiberglass) na-enye anọ isi uru dị ka mgbochi corrosion lining: chemical inertness (na-eguzogide aqua regia, ike alkalis, ihe mgbaze), obosara okpomọkụ nso (-70 ° C ka 260 ° C na-aga n'ihu, 350 ° C elu), mgbochi akụkụ (<0.5% na-abụghị elongation), na-egbochi nkwụsi ike n'elu (<0.5% na-adịghị ihicha elu). A na-eji ya na pipeline kemịkalụ, ụlọ elu desulfurization, tankị pickling, na akụrụngwa nri/pharma. Ọkwa FDA dị.