PTFE akwa akwa okpomọkụ chọrọ iji nlezianya mee ihe iji hụ na nchekwa na ogologo ndụ. Ihe ị ga-akpachapụ anya: agaghị agafe 260 Celsius C (n'elu 320 Celsius C na-ahapụ uzuoku na-egbu egbu), zere nhụsianya dị nkọ (nkpuchi mgbawa, na-ekpughe fiberglass), enweghị nhicha abrasive (ajị anụ na-emebi elu na-abụghị osisi), debe mgbasawanye okpomọkụ (na-egbochi ịdọka), ma dochie anya mgbe ọnya ma ọ bụ kpụpụrụ ya. Akpọrọla ụlọ ahịa, pụọ na UV. Yiri uwe mkpuchi na-ekpo ọkụ mgbe a na-ejikwa ya.

PTFE akwa okpomọkụ dị elu nwere ọnụọgụ nke mgbasawanye ọkụ (CTE) nke 30-60 ppm / ° C (warp / weft) - dị elu karịa fiberglass naanị mana ọ dị ala karịa PTFE dị ọcha (100-200 ppm / ° C). PTFE na-enweta mgbanwe olu ngwa ngwa (1-2%) na ntụgharị 19°C na 30°C. Ka ịzenarị mkpọchi, dọkasịa, na delamination: mkpochapụ imewe maka mgbasawanye n'efu, zere esemokwu site na ọnọdụ mgbanwe nke oge, jiri ihe nrụgide akpaaka na eriri ebu, ma tinye ihe mgbochi mgbochi. Nleba anya mgbe nile maka mmiri oyi dị mkpa.

PTFE akwa akwa akwa akwa akwa akwa akwa na-enye uru anọ dị mkpa: arụmọrụ na-adịghị arụ ọrụ (ọ dịghị mmanụ ma ọ bụ ntụ ọka dị mkpa, pastries dị nro na-ahapụ nke ọma), okpomọkụ dị ukwuu (-70 ° C ruo 260 ° C, nchekwa maka oven na friza), reusability (ọtụtụ puku cycles, dị mfe ihicha), na ọbụna okpomọkụ conduction (na-egbochi ọkụ, nguzozi browning). Nri na-akwado FDA, ha karịrị akwụkwọ akpụkpọ anụ ma na-eme ka silicone mats na-enyefe okpomọkụ ka mma na ọdịdị elu dị mma.

PTFE elu-okpomọkụ ákwà dị oké mkpa na uwe interlining ụlọ ọrụ. Ngwa ndị dị mkpa: eriri na-ebugharị na-enweghị njedebe maka igwe fusing na-aga n'ihu (na-egbochi ịrapagidesi ike na-ekpo ọkụ na-ekpo ọkụ, nnyefe na-enweghị wrinkle), mkpuchi na-enweghị ihe mkpuchi na akwa akwa maka ikpo ọkụ dị larịị (na-echebe platens pụọ na nrịanrịa nke ntanye), eriri eriri maka ntụpọ ntụpọ / ntụ ntụ ntụ (na-anọgide na-eme ka ihe ntanye na-ekpo ọkụ na-ekpuchi akpụkpọ ụkwụ n'oge akọrọ akpụkpọ ụkwụ). Ọkpụrụkpụ sitere na 0.13mm (ihe mkpuchi ọkụ) ruo 0.55mm (eriri ebufe ọrụ dị arọ).

Anti-static PTFE ákwà na-enweta site na isi ụzọ abụọ: mkpuchi doping (agwakọta conductive fillers dị ka carbon nwa n'ime PTFE emulsion, akpụ a percolation netwọk na oké egwu ịta) na mkpụrụ ịkpa ákwà (embeding conductive emep uta eri n'ime fiberglass ákwà). A na-achịkwa resistivity elu na 10⁵-10⁹ Ω. Ụkpụrụ: mepụta ụzọ na-eduzi nke na-ewepụ ụgwọ ndị kwụ ọtọ ozugbo, na-egbochi nchịkọta dị ize ndụ. Ịgba ala bụ iwu maka ịrụ ọrụ dị irè.

PTFE akwa na-ekpo ọkụ (fiberglass mkpuchi PTFE) na-enye nguzogide kemịkalụ pụrụ iche, na-eguzogide acids gbanyere mkpọrọgwụ (gụnyere aqua regia), alkalis siri ike (na ọnụ ụlọ okpomọkụ), ihe mgbaze organic, na ihe ndị na-eme oxidizing. Ewezuga: ọla alkali a wụrụ awụ na ogige halogen na-ekpo ọkụ na-awakpo PTFE. Mmebi mkpuchi mkpuchi na-ekpughere fiberglass na hydrofluoric acid na alkalis na-ekpo ọkụ. Okpomọkụ dị n'elu 260 Celsius na-ebelata nguzogide. Maka ọtụtụ gburugburu kemịkalụ, akwa PTFE ka kwụsiri ike na ntụkwasị obi.

ihicha bụ nzọụkwụ dị oke mkpa na mmepụta akwa akwa okpomọkụ dị elu nke PTFE. Nrụrụ ndị a na-ahụkarị gụnyere: mgbawa (ịkpọsa ngwa ngwa, akpụkpọ anụ n'elu), mkpuchi mkpuchi (ihe na-aga n'ihu n'elu, njikọ dị n'ime adịghị ike), pinholes / blisters (ikuku tọrọ atọ ma ọ bụ uzuoku), ntụpọ ọcha na chalking (mbugharị surfactant ma ọ bụ ngwakọta na-ezughị ezu), yellowing/coking (overheating of additives), delamination (shrinkage stress over adhesion), orange leveling adhesion, orange leveling mmiri dị n'ime ime (mmanya akpụkpọ anụ ọnyà), na oke ọnụ (mmetụta mgbanaka kọfị). Ngwọta gụnyere profaịlụ ihicha nke a na-achịkwa, ikuku ventilashị nke ọma, na nhazi nke mkpụrụ osisi.

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.

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.