PTFE finimugu minnu bɛ funteni caman bɔ, olu bɛ dielektriki fanga caman fara ɲɔgɔn kan (a sabatilen don nɛnɛ kɔrɔ), -70°C fo 260°C funteni hakɛ, diɲɛ bɛɛ ka kemikɛli kɛlɛli (n’a ma fɔ nɛgɛ alkali wulilenw), yɔrɔ min tɛ nɔrɔ (a bɛ kirin bali), ka wuli kɛlɛli (fibreglasi barika bonya ni PTFE saniyalen ye), sɔgɔli fanga caman, sɔgɔsɔgɔninjɛ dɔgɔya (μ=0,05-0,1), ani V-0 tasuma hakɛ. Ni i y’a suma ni mika, lastikuw ani PTFE gazi saniyalenw ye, PTFE fini bɛ se ka fɛn caman sɛgɛsɛgɛ, ka baara kɛ, ani ka a janya sabati waati jan kɔnɔ. A ka ɲi kosɛbɛ transformateurs, moteur insulation, chimique flange sealing, ani semiconducteur minɛnw kama.

PTFE fini flakɛli sintering waati la, o bɛ a ɲini ka tension, temperature ani restraint control tigitigi de wajibiya. Fɛɛrɛ kolomaw : stenter masin (pin plates bɛ a bonya mara, ka weft dɔgɔyali bali), gradient temperature profile (a bɛ sumaya dɔɔni → 380-400°C minɛ → ka nɛnɛ dɔɔni dɔɔni 310°C duguma sani ka tension bila), substrat pre-shrunk (a bɛ weaving stress bɔ sani a ka fini), ani coating thickness uniform (a bɛ differential melting bali). Stenter restraint ka kan ka mara fo ka se nɛnɛ ma PTFE kristali yɔrɔ jukɔrɔ (310°C ɲɔgɔn) walasa ka warpage bali.

Coating uniformity during PTFE emulsion impregnation of fibreglass fini ye fɛn dilannenw ka ɲɛnamaya sira ye. Dacogo kelen tɛ sababu ye: a tɛ nɔrɔ (a bɛ nɔrɔ yɔrɔ finmanw na), masinw barika dɔgɔyali (degun hakɛ, a tigɛcogo), kuran basigibaliya (a tiɲɛni wulicogo bɛ jigin ka se 1/10 ma), kemikoro doncogo (pinhole corrosion), hakɛ koɲɛw (warpage), ani baarakɛcogo juguw (cɛsirili yaala, a janya caman ɲɔgɔnna). Datugulan kelen bɛ emulsiyɔn sɔgɔli, a kɔnɔfɛnw, finimugu sɔgɔli, sɔgɔsɔgɔninjɛ yɔrɔw, ani jalen/sintering profiles multi-zone (yɔrɔ caman jalen/sintering profiles) kɔlɔsili tigitigi de wajibiya.

PTFE fini min ka funteni ka bon, o bɛ kɛ cogo naani na a jɔcogo caman cili la ni funteni bɛ wuli: 260°C duguma – micro-cracking slow ani residual additive volatilization ni 327°C ye (a wuliyɔrɔ) – jiginni ka kɛ kristali ye ka kɛ amorfu ye, finimugu bɛ nɔgɔya, ka delamina ka bɔ fibreglasi la; 400-500°C – PTFE bɛ depolimɛri (a bɛ gazi toxicw bɔ), finimugu bɛ tunun; sanfɛ 500°C – fibreglasi bɛ nɔgɔya (840°C nɔgɔyɔrɔ) ani a bɛ bɔnɛ a jɔcogo dafalen na. Aw bɛ to 260°C duguma ka to sen na, aw kana >300°C kuncɛw sɔrɔ walasa ka baara kɛ cogo la min tɛ mɔgɔ tɔɔrɔ.

PTFE fini sanfɛla furakɛli min bɛ funteni caman kɛ, o bɛ kemikɛli inertness tiɲɛ walasa ka bonding/printing kɛ. Fɛɛrɛ naani : kemikɛli kɛcogo (sodium-naphthalene, surface energy 20→40-50 dyn/cm, dibi layer permanent, micro-porous structure), plasma furakɛli (nano-roughening, functional group grafting, short active window), corona furakɛli (film finman, toli teliya la, a jugumanba danma), ani laser furakɛli (micro-patterning précision, carbonisation contrôlée). Fɛɛrɛ bɛɛ bɛ farikolo gɛlɛya ani ka polar kuluw (C=O, -OH, -COOH) don a kɔnɔ ni kemikɛli ye walasa ka se ka nɔrɔ ɲɔgɔn siri.

Fɛnɲɛnɛma saniya ye PTFE finimugu ɲumanya jusigilan jɔnjɔn ye. Nɔgɔw (daminɛ tolenw, surɔfɛnw, nɛgɛ ionw, bonyalan nɔgɔlenw) bɛ kɛ sababu ye ka funteni tiɲɛni kɛ joona (bulonw, kurukuruw bɛ bɔ 260°C sanfɛ), yɔrɔ minnu tɛ nɔrɔ ɲɔgɔn na (yɔrɔ minnu bɛ nɔrɔ ɲɔgɔn na), kuran sɔgɔli dɔgɔyali (diélectrique bɔnɛ, tiɲɛni tension dɔgɔya), masin fanga dɔgɔyali (degun hakɛ, kari), ani jɛman/ɲɛnabɔli. Fɛnɲɛnɛma minnu saniyalen don kosɛbɛ, olu bɛ FDA ka sariyaw labato, minnu bɛ mɛn, minnu bɛ baara kɛ kosɛbɛ, PTFE fini.

PTFE-coated fibreglas fabric sintering bɛ a minɛ waati tigitigi de wajibiya 370-400°C la. Furaw minnu bɛ to sen na: 30-90s (finman) fo miniti 3-5+ (mugu). Batch forow: miniti 5-15. Sintering under-sintering bɛ kɛ sababu ye ka finiw kɛ minnu tɛ ye, minnu ka gɛlɛn, minnu bɛ bɔ; ni aw bɛ sɔgɔsɔgɔ kojugu, o bɛ kɛ sababu ye ka a jɛ, ka a kari, ani ka gazi fluoride toxic bɔ. Taabolo ɲuman : aw bɛ foro funteni jateminɛnanw kɛ, ka sɛgɛsɛgɛli ɲɛnama kɛ (semi-transparent, flexible), ani ka kaseti sama sɛgɛsɛgɛliw kɛ. Aw bɛ a lajɛ tuma bɛɛ ko funteni dafalen ka kɛ kelen ye.

PTFE fini min funteni ka bon, o bɛ a minɛ ka ɲɛ walasa ka a lakana ani ka a si jan. Fɛn minnu ka kan ka kɛ: aw kana tɛmɛ 260°C kan abada (ni a tɛmɛna 320°C kan, o bɛ sisi toxic bɔ), aw kana kurukuru nɔgɔlenw (a bɛ finimugu kari, ka fibreglasi bɔ kɛnɛ kan), aw kana saniya ni sɔgɔsɔgɔninjɛ ye (nɛgɛ wulu bɛ yɔrɔ tiɲɛ min tɛ nɔrɔ), aw bɛ funteni bonya yɔrɔ mara (a bɛ tigɛli bali), ani ka a bila a nɔ na ni kurukuruw walima u sɔgɔlen don. Magasin wulilen, a yɔrɔ ka jan UV la. Aw bɛ ganw don minnu bɛ funteni bali, aw bɛ u minɛ ni aw bɛ u minɛ.

PTFE fini min ka funteni ka bon, o ka coefficient de expansion thermal (CTE) ye 30-60 ppm/°C (warp/weft) ye – a ka bon ni fibreglasi dɔrɔn ye nka a ka dɔgɔ kosɛbɛ ka tɛmɛ PTFE saniyalen kan (100-200 ppm/°C). PTFE bɛ yɛlɛma barikama kɛ a hakɛ la (1-2%) 19°C ni 30°C fasa jiginniw na. Walasa ka i yɛrɛ tanga bugunni, tigɛtigɛli ani delamination ma: dilan yɔrɔw dilan walasa ka bonya hɔrɔnya la, ka i yɛrɛ tanga tensions ma fasa jiginni funteni fɛ, ka baara kɛ ni otomatiki tensioners ye conveyor belts kan, ani ka anti-buckling overlap design kɛ. Sɛgɛsɛgɛli kɛli tuma bɛɛ ni nɛnɛ bɛ ji bɔ, o nafa ka bon.

PTFE finimugu tobilikɛminɛn minnu funteni ka bon, olu bɛ nafa jɔnjɔn naani di: baarakɛcogo min tɛ nɔrɔ (tulu walima mugu tɛ mako ɲɛ, patisri nɔgɔlenw bɛ bɔ ka saniya), funteni hakɛ caman (-70°C fo 260°C, farati tɛ foro la ka taa konfirɛzi la), u bɛ se ka baara kɛ kokura (a bɛ kɛ siɲɛ ba caman ye, a saniya ka nɔgɔn), ani hali funteni tali (a bɛ jeni bali, ka ɲɛda kɛ ni balansi ye). Dumuni hakɛ bɛ FDA labato, u bɛ mɛn ka tɛmɛ parchement papier kan ani u bɛ baara kɛ ka tɛmɛ silikɔni matarafali kan ni funteni jiginni ka fisa ani ni u ɲɛda cogoya ka ɲi.