2026-06-03 Creep resistance of PTFE high-temperature adhesive tape under long-term constant load (especially at 200-260°C) is determined by two factors: silicone PSA crosslink density (higher crosslinking prevents flow) and substrate type (fiberglass-reinforced PTFE resists cold creep; pure PTFE film creeps). Uncrosslinked adhesive fails rapidly at high heat. Thicker adhesive layers increase creep risk.
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