He article hian vacuum coating, vacuum heat treatment leh a ang chi environment-a hman thin PTFE high-temperature tape-a core performance indicator te a huam a ni. Thil tul pawimawh tak takte chu boruak hman dan nen a danglam hle: outgassing hi a pawimawh ber (TML≤1%, CVCM≤0.1%; aerospace/optical grade-ah chuan TML≤0.5%, CVCM≤0.01% a ngai); PTFE substrate (260°C) leh adhesive layer pahnih tan temperature resistance hi finfiah a ngai a; siloxane bawlhhlawh ven nan a bik taka tihthianghlim low-outgassing silicone PSA a ngai a; temperature sang taka holding power hian creep leh edge lifting a veng a; faina hian fiber shedding leh ionic content tlem a mamawh a; anti-static tape (surface resistivity 106-109 Ω/sq) hian ESD chhiatna a veng a; sputtering/PECVD process hrang hrangah plasma resistance hi endik a ngai a; thermal shrinkage 2% aia hniam chuan masking precision a tichiang a ni.

He thuziak hian PTFE tape atana silicone pressure-sensitive adhesive room-temperature leh high-temperature maturation a khaikhin a ni. High-temperature maturation (120-180°C) hian dense crosslinked networks a siam a, cohesive strength chak tak a nei a, chu chuan peeling hnua adhesive residue a veng thei a ni. Primer co-curing hmangin PTFE substrate te nen chemical anchoring bonds a siam a, delamination risk a ti bo a ni. High-temperature maturation hian delivery hmain low-molecular volatiles a paih chhuak bawk a, heating hmasa berah bubbling leh silicone oil contamination a veng thei bawk.

He guide hian injection molding demolding leh anti-stick application atana PTFE high-temperature tape thlan dan a huam a ni. Temperature atanga thlan theih: Plastic tlangpui tan ≤260°C (standard silicone PSA tape, 0.13-0.18mm); Engineering plastic temperature sang tak PC, PA66, POM (high-temp silicone adhesive, 0.18-0.25mm) te tan 260-300°C a ni a; 300-400°C ah PEEK, LCP, PPS hot runner bulah (adhesive tape a chhiat; adhesive tel lo PTFE puan emaw PFA film emaw hmang rawh). Material-based selection: tacky materials te hian high-release pure PTFE surface an mamawh a; glass/mineral-a khat thil siam tur chuan heavy-duty 0.25mm+ wear-resistant tape a mamawh a; corrosive additives hian chemical laka invenna adhesive leh dense substrate a mamawh a; static-sensitive application-ah chuan anti-static black PTFE tape a ngai a ni.

PTFE-coated fiberglass puan hi rubber processing-ah hman a ni nasa hle a, hei hi a lumna a tuar thei a, a non-stick property a, a friction a hniam bawk. A hmanna pawimawh tak takte chu: plate/vacuum vulcanization leh tire molding atana release liners; mill hawn, calender, leh cooling line-a hman tur non-stick conveyor belt; rubber semi-finished dahna tur interleave puan; silicone leh fluororubber hman dan bik; leh post-curing atan oven tray te a awm bawk. A hlawkna chu mold adhesion tihbo te, release agent hman tlem te, roller wrapping venna te, leh demolding mumal tak neih theihna te a ni.

Silicone pressure-sensitive adhesive glass transition temperature (Tg) hi -120°C vel a ni a – acrylic adhesive aiin a hniam zawk hle. He ultra-low Tg hian PTFE high-temperature tape chu -70°C-ah pawh a flexible leh sticky reng a, brittle cracking a veng a, cryogenic application-ah adhesion rintlak a siam thei bawk.

Release paper emaw film substrate leh release agent thlan hian PTFE high-temperature tape storage stability leh peeling performance a nghawng nghal vek a ni. He article hian PET vs. kraft paper substrate leh silicone vs. fluorinated release agents te a khaikhin a, zero-residue peeling leh hun rei tak chhunga rintlakna atana combination tha ber a rawt a ni.