PTFE ntama a ɛyɛ hyew kɛse no gyina hɔ pintinn kodu 300°C, nanso wɔ ogya mu no ɛporɔw na ɛma mframa a awuduru wom kɛse fi mu: hydrogen fluoride (HF) (ɛsɛe, ahurututu mu edema) ne perfluoroisobutylene (PFIB) (ɛnyɛ kɔla, enni huam, awuduru ~10x sen phosgene, enni nnuru a ekum ɔyare mmoawa). Afei nso carbon monoxide, PFOA nkae, ne trace dioxins. Wusiw akataso a wɔtaa de di dwuma no ntumi nyɛ adwuma; fa afiri a wɔde home a ɛwɔ ne ho (SCBA) di dwuma. Ebia yare no ho sɛnkyerɛnne bɛkyɛ.

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) ye ma microwave ɔhyew efisɛ ɛde microwave kɔ a ennye ahoɔden, ɛko tia 260°C, na ɛwɔ soro a ɛnyɛ nea ɛbata ho. Nneɛma a wɔde di dwuma no bi ne microwave baking mats, industrial dryer conveyor belts, reactor linings a wɔde nnuru di dwuma, ne microwave popcorn bag liners. FDA abasobɔde ahorow a ɛwɔ hɔ ma aduan a wɔde di nkitaho.

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) nni flex resistance a enye efisɛ fiberglass substrate no fi awosu mu yɛ brittle. Ntama a ɛyɛ tratraa (0.08mm) tra ase bere a wɔabobɔw ɔhaha pii kosi mpempem pii; grades a emu yɛ duru (>0.25mm) mpaapaemu wɔ du du pii akyi. Satin nwene yɛ adwuma yiye sen nwene a ɛnyɛ den. Sɛ wopɛ sɛ wokɔ so kotow a, susuw PTFE sini a ɛyɛ den anaa ntama a egyina aramid so ho mmom.

Wɔde PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) di dwuma kɛse wɔ ntama tintim ne kɔla a wɔde yɛ ɔhyew a wɔde fa tintim abɔso (180-230°C), screen tintim pon so kataso, drying mesh abɔso, fusing mfiri abɔso, ne roller wrapping. Ne soro a ɛnyɛ nea ɛbata ho no siw ink/adhesive nkae ano, na ɛtew bere a wɔde siesie fie no so na ɛma ntama no yɛ papa. Seamless endless belts ma wotumi kɔ so yɛ nneɛma.

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) yɛ premium filter media ma tebea horow a emu yɛ den: flue gas mfutuma a woyi (cement, nwura a wɔhyew, fango boilers kosi 260°C), corrosive nsu filtration (acids, alkalis, ngo), aduan / nnuru sterile filtration, ne HEPA cleanroom filters. Fafa a ɛnyɛ nea ɛbata ho no mma mfutuma ntumi nkɔ mu na ɛma ɛyɛ mmerɛw sɛ wobɛhohoro ho. Membrane-laminated grades nya mframa bɔne a ɛba fam koraa.

PTFE ntama a ɛyɛ hyew kɛse kura anyinam ahoɔden a ɛkyɛn so fi -180°C kosi 260°C: volume resistivity >1013 Ω·cm wɔ 200°C, dielectric daa pintinn wɔ 2.0-2.1. Sɛ ɛboro 260°C a, PTFE yɛ mmerɛw, ɛporɔw boro 327°C, na ɛhwere insulation daa. Sɛ ɛba fam sen 0°C a, nneɛma a wɔde siw mframa ano no tu mpɔn nanso nea wɔde kata so no bɛyɛ nea ɛyɛ mmerɛw. Tra 260°C mu na ama woatumi ayɛ adwuma a wotumi de ho to so.

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) ye ma aduan conveyor belts esiane ne 260°C ɔhyew a ɛko tia, -70°C awɔw a ɛyɛ mmerɛw, ɛnyɛ nea ɛbata soro, ne FDA mmara so. Nneɛma atitiriw a wɔde di dwuma: fononoo a wɔde yɛ paanoo (bisket, paanoo, pizza), nneɛma a wɔde fa nnuan a wɔayam, nhama a ɛma ahwiesa yɛ nwini, akwan a wɔde yɛ nwini, ɔhyew a wɔde siw ano, ne roller wrapping. Ɛtew bere a wɔsɛe no ne bere a wɔde siesie nneɛma so.

Calendering – ntama a wɔde PTFE akata so a wɔde mia ahwehwɛ rollers a ɛyɛ hyew ntam wɔ 360-380°C – sesa ɔfasu no nsɛso kɛse, nea ɛma wogyae, sɛnea ɛmma nsu ntumi nkɔ mu, ne mfiridwuma mu adwumayɛ. Ɛtew roughness so fi Ra 0.5-1.0 μm kosi <0.05 μm, ɛto pinholes, ɛma sɛnea ɛko tia ɔsɛe no tu mpɔn, nanso ɛtew tetew ahoɔden ne sɛnea ɛyɛ mmerɛw so. Ɛho hia ma release liners ne anyinam ahoɔden insulation.

Fiberglass weave pattern – plain, twill, anaa satin – nya PTFE ntama a ɛyɛ hyew kɛse no su so nkɛntɛnso kɛse. Satin weave ma ahoɔden a ɛkorɔn sen biara a wɔtetew (2-3x plain) ne flexibility, a eye ma dynamic bending. Plain weave ma dimensional stability a eye sen biara ne peel adhesion, a ɛfata ma static applications. Twill kari pɛ wɔ agyapade nyinaa mu ma wɔde di dwuma wɔ ɔkwan a ɛkɔ akyiri so.

Nneɛma anan na ɛkyerɛ PTFE ntama a ɛyɛ hyew a ɛkorɔn a wɔde kata so pɛpɛɛpɛ: nea wɔde kata so (particle size 0.15-0.35 μm, viscosity, solid content), coating & sintering process (blade coating a wɔpɛ ma biakoyɛ), substrate su (weave pattern, pre-treatment), ne production environment (20-25°C, <60% RH). Dip + blade a wɔaka abom nhyehyɛe no kari pɛ wɔ penetration ne surface smoothness.