Glass nsakraeɛ hyeɛ (Tg) a ɛwɔ silicone nhyɛsoɔ-sensitive adhesive mu no bɛyɛ -120°C – ɛba fam koraa sene acrylic adhesives. Saa Tg a ɛba fam koraa yi ma PTFE teyp a ɛyɛ hyew kɛse no yɛ nea ɛyɛ mmerɛw na ɛyɛ nnam wɔ -70°C mpo, na esiw mpaapaemu a ɛyɛ mmerɛw ano na ɛma wotumi bata ho a wotumi de ho to so wɔ cryogenic dwumadie mu.

PTFE teyp a ɛyɛ hyew kɛse betumi apaapae anaasɛ abubu wɔ tebea horow a ɛbɔ mpɛn pii na ɛbue mu. Saa asɛm yi kyerɛkyerɛ sɛnea wobetumi asiw eyi ano denam substrate a wɔpaw yiye (ahwehwɛ nhama a wɔahyɛ no den), ne kɛse a eye sen biara (0.18mm sɛ gyinapɛn), silicone adhesive a wɔpaw, ne akwan a ɛteɛ a wɔfa so de si hɔ so.

PTFE ntama a ɛyɛ hyew kɛse ma nnuru a ɛyɛ soronko a ɛko tia, na egyina acid a ano yɛ den, alkalis, organic solvents, ne mframa a ɛporɔw ano. Saa asɛm yi ka nneɛma a ɛko tia, anohyeto ahorow (alkali dade a ayow, nneɛma a ano yɛ den a ɛma fluorin), ne nneɛma atitiriw te sɛ ɔhyew, sɛnea ɛdɔɔso, ne mfiri mu nhyɛso ho asɛm kɔ akyiri.

Krataa a wɔpaw anaasɛ film substrate ne release agent no nya storage stability ne peeling adwumayɛ a PTFE high-temperature tape no so nkɛntɛnso tẽẽ. Saa asɛm yi de PET vs. kraft krataa substrates ne silicone vs. fluorinated release agents toto ho, na ɛkamfo nkabom a eye sen biara ma zero-residue peeling ne bere tenten ahotoso.

Wɔde PTFE teyp a ɛyɛ hyew kɛse di dwuma kɛse de siw anyinam ahoɔden ano, nanso tebea horow a ɛma anyinam ahoɔden a ɛkɔ soro ne nea ɛwɔ ahoɔden kɛse no de asiane soronko ba: anyinam ahoɔden a ɛpaapae, nea ɛpue fã bi, ɔhyew a ɛyɛ onyin, mpɛn dodow a ɛkɔ soro sɛnkyerɛnne a ɛyera, ne nneɛma a atwa yɛn ho ahyia ho nkate. Asɛm yi kyerɛkyerɛ asiane biara ne sɛnea yɛbɛkwati mu.

Ɛnyɛ ntama a wɔde fiberglass ayɛ nkutoo na wɔde PTFE nsu gu mu. Saa asɛm yi de substrates foforɔ 7 ba – aramid, carbon fiber, PBI, porous metal, graphite, asbestos (wɔayi afiri hɔ nkakrankakra), ne ceramic fillers – a wɔn dwumadie no su, mfasoɔ, anohyetoɔ, ne dwumadie titire.

PTFE ntama a ɛyɛ hyew a ɛhome kɛse no ka nneɛma a ɛnyɛ nea ɛbata ho, ɔhyew a ɛma ɛyɛ den, ne mframa a ɛtumi fa mu bom. Saa asɛm yi hwehwɛ sɛnea wɔde di dwuma titiriw wɔ ntama a wɔyow, nnuan a wɔyɛ, nneɛma a wɔabom yɛ, ɛlɛtrɔnik mfiri, mframa a wɔde fa nneɛma, nneɛma a atwa yɛn ho ahyia ho banbɔ, ne adansi nneɛma mu.

Saa asɛm yi kyerɛkyerɛ sɛnea wobesiw efĩ ne adwumayɛ a wɔsɛe no ano wɔ PTFE teyp a ɛyɛ hyew kɛse no fã a ɛnyɛ nea wɔde nkata so bere a wɔrekata so no mu. Akwan titiriw a wɔfa so yɛ adwuma no bi ne fibea sohwɛ (ɔfa so ayaresa pɛpɛɛpɛ), honam fam a wɔbɛtew wɔn ho afi afoforo ho (sini a ɛbɔ ho ban, rollers a ɛnyɛ nnam, zoned drying), ne nhyehyɛe a wɔayɛ no yiye a wɔde di dwuma.

Saa asɛm yi kyerɛkyerɛ nea enti a fiberglass ntama a alkali nnim ne ade a wɔpɛ sɛ wɔde yɛ PTFE ntama a ɛyɛ hyew kɛse no mu. Ɛkata nnuru bonding via silane coupling agents ne honam fam nneɛma atitiriw te sɛ ɔhyew a ɛyɛ den, dimensional stability, ne corrosion resistance – hwɛ hu sɛ ɛyɛ adwuma a ɛtra hɔ kyɛ wɔ mmeae a ɛyɛ den.

Sɛ wode PTFE a ɛyɛ hyew kɛse teapɔn bedi dwuma denneennen wɔ mmeae a ɛyɛ kurukuruwa ne nea ɛnkɔ so pɛpɛɛpɛ a enni ahurututu ne anoano warping a, adwumayɛ nhyehyɛe a wɔahyɛ da ayɛ ho hia, a nea ɛka ho ne substrate pretreatment a edi mũ, adwumayɛfo a wɔde di dwuma ho nimdeɛ ne nneɛma a ɛboa a ɛfata. Wɔn mu no, substrate pretreatment ne anammɔn a ɛho hia sen biara, a ɛkyerɛ bɛyɛ 70% wɔ sticking effect a etwa to no mu.