PTFE tape ma nnuru paipu / anwenne anti-corrosion, non-stick, ne sealing ahobammɔ hwehwɛ matching substrate, adhesive nhyehyɛe, ne nnuru media. Wɔkamfo silicone PSA kyerɛ sɛ wɔmfa nyɛ 200-260°C a acid/alkali ka ho; acrylic PSA ko tia organic solvents nanso ɛto ɔhyew ano hye ma ≤150°C. Wɔ HF ho no, sɛ wɔnoa >80% alkali, anaa chlorine trifluoride a, fa PTFE-only lining (no organic adhesive biara nni mu) di dwuma. Nea ɛho hia: adhesive ne ade a ɛyɛ mmerɛw sen biara, ɛnyɛ PTFE no ankasa.

PTFE tape kura tumi no tu mpɔn denam coating ne curing nhyehyɛe optimization. Coating: primer layer (0.5-2μm silane primer siw adhesive peeling), adhesive thickness 30-60μm (ɛyɛ papa ma tumi a ɛkura), vacuum defoaming, ne 5-10μm filtration. Curing: anammɔn anammɔn ɔhyew (80-100 ° C solvent yiyi → 120-140 ° C shaping → 150-220 ° C deep crosslinking), post-curing (40-60 ° C ma 24-48h ahomegye adwennwen), ne low-tension conveyance de siw emu nhyɛso fi substrate shrinkage. Primer no ho hia ma PTFE ahoɔden a ɛba fam a ɛwɔ soro no.

PTFE teyp a ɛyɛ hyew kɛse yɛ ade a ɛho hia wɔ semiconductor a wɔyɛ mu, na ɛnyɛ nea wɔde di dwuma wɔ atirimpɔw nyinaa mu. Nneɛma titiriw a wɔde di dwuma: wafer-level ahobammɔ (plasma etching masking, CMP akyi ahobammɔ, CVD/PVD masking), nneɛma a wɔde kyekyere nneɛma (wire bonding fixation, soldering mask ma PCBs), ne nnwinnade a wɔhwɛ so (anti-static roller wrapping, cleanroom marking). Ultra-clean ahwehwɛde: halogens a ɛba fam (siw bond pad corrosion), siloxanes a ɛba fam (<500 ppm, siw insulating particle formation), dade ions a ɛba fam (<1 ppm biara), ISO Class 4 cleanroom slitting/packaging, 106-109 Ω surface resistivity, ne TVOC emissions a ɛba fam.

Aduruyɛ-grade PTFE a ɛyɛ hyew kɛse teyp ka biocompatible PTFE substrate ne platinum-cured silicone adhesive bom. Nneɛma atitiriw: ISO 10993 a ɛne no hyia (enni cytotoxicity, sensitization, anaa abufuw), egyina sterilization mpɛn pii (steam/EO/gamma), 260°C ɔhyew a ɛko tia. Ahwɛyiye a ɛho hia: ɛntra 260°C (wusiw a awuduru wom a ɛboro 300°C), gamma mframa betumi ama ayɛ mmerɛw, agye akwan a wɔfa so de sterilization no atom, na abisa nkrataa a edi mũ a ɛkyerɛ sɛnea wodi mmara so (ISO 10993 amanneɛbɔ, MSDS, onyin ho nsɛm). Ɛnyɛ sɛ wɔde mogya anaasɛ wɔde bɛhyɛ nipadua mu tẽẽ gye sɛ wɔagye atom pɔtee.

PTFE tape reusability gyina nneɛma anan so: adhesive formulation (a ɛkorɔn crosslink density, low silicone migration, microphase nhyehyɛe ma repositionable tack), substrate anchoring (surface activation + primer a esiw adhesive transfer a edi mũ ano), backside coating (release layer de bɔ adhesive ho ban bere a unwinding), ne sɛnea wɔde di dwuma yiye (adhesive surface a ɛho tew, peeling kwan a ɛteɛ, kwati ɔhyew a ɛboro so). Nsuo-hohoro modified adhesives tumi san >90% tack bere a wɔahohoro akyi.

Fiberglass ntama thermal shrinkage ne ade titiriw a ɛde PTFE tape dimensional instability ba. Wɔ PTFE sintering hyew (360-400°C) mu no, wogyae nwene nhyɛso a aka no. Sɛ wɔanhyɛ no so a, ntama no twetwe; sɛ wɔhyɛ so a, wɔde nhyɛso a ahintaw no to mu, na ɛma akyiri yi ɛtwetwe bere a wɔde ntama resa (150-200°C) ne ɔhyew a wɔde di dwuma awiei no. Ano aduru: fa fiberglass a wɔadi kan ayɛ no hyew a ɛyɛ <0.5% a ɛtwetwe wɔ 400°C di dwuma, na yi nhyɛso a aka no fi hɔ ansa na wode akata so.

PTFE teyp a ɛwɔ ɔhyew a ɛtrɛw mu no hwehwɛ sɛ wɔde silicone PSA a ɛma ɛbata ho fi -70°C kosi 260°C. Nneɛma atitiriw a wɔde yɛ nhyehyɛe: primer-anchored transition layer (siw delamination ano), po-supɔw microstructure (MQ resin nsupɔw + polysiloxane continuous phase), gradient crosslinking (high-density mu layer ma creep resistance, low-density abɔnten layer ma low-temp tack), ne ɔhyew-stabilized fillers (cerium oxide ma oxidation resistance). Phenyl-sesa siloxane afã horow siw ɔhyew a ɛba fam crystallization ano, na ɛma wotumi yɛ nsakrae wɔ -100°C ase.

Aokai PTFE debuted ne nneɛma nyinaa lineup wɔ APFE Shanghai 2026 (Booth 6T602, Hall 6). Nneɛma a wɔde kyerɛ no bi ne PTFE teyp a wɔde fiberglass ahyɛ mu den, PTFE sini a ɛho tew, anti-static grades, ne conveyor belts a ɛyɛ hyew kɛse – a ɛkata aduan a wɔyɛ, PV lamination, lithium battery, ɛlɛtrɔnik mfiri, ne nneɛma a wɔde kyekyere nneɛma so. Ɔyɛkyerɛ no kɔ so kosi June 26. Nneɛma nyinaa boa amanneɛbɔ ahorow a wɔahyɛ da ayɛ.

Ntwitwa awiei anim nhyehyɛe a PTFE high-temperature tape no nya adhesive oozing ne ano a wɔma so so nkɛntɛnso tẽẽ bere a wɔde di dwuma no. Slitting a enye (dull blades, improper angle) ma gluu filaments ba, ɛma anoano adhesive layer no yɛ teateaa, na ɛma fiberglass burrs da adi – ɛde nsuo a ɛsen, bonding a ɛyɛ mmerɛw, na ɛma so wɔ ɔhyew anaa nhyɛso ase. N’awiei anim a ɛnkɔ so daa (asorɔkye, a ɛpuepue) ma nhyɛso kyekyɛ a ɛnteɛ, na ɛma adhesive creep bere a wɔde sie no. Awiei anim a eye no yɛ torotoro, ɛyɛ flush, na ɛnyɛ nea ɛsɛe – ɛyɛ adwuma sɛ nsɔano a ɛto adhesive no mu na ɛhwɛ hu sɛ ano nyinaa bɛkyekyere.

Wɔ PTFE tape coating mu no, solvent volatilization rate a silicone nhyɛso-te nka adhesive yɛ adeyɛ parameter a ɛho hia. Ntɛmntɛm dodo → nwoma a ɛwɔ soro, ɛnyɛ pɛpɛɛpɛ, pinholes (akyea solvent), ne craters (condensation anaa efĩ a ɛde ba). Ɛyɛ brɛoo dodo → sagging, thick edges, ne dewetting wɔ low-surface-energy PTFE so. Ɔkwan a eye sen biara: brɛoo mfiase volatilization ma leveling ne bubble guankɔbea, afei ntɛmntɛm drying ma shaping. Fa nnuru a wɔde afrafra (toluene/xylene + fast-drying) ne gradient oven temperature (low→medium→high) di dwuma.