Production & Quality
5 조회수
PTFE Cooling Crystallization Control
문제 현상
Improper PTFE cooling rate affects crystallinity, physical properties fluctuate, strain cracking.
원인 분석
Cooling rate relates to sheet crystallinity and is an important parameter affecting physical properties; too fast cooling easily causes strain and cracking; generally cooling at a rate of ≤50℃/h is more appropriate.
해결 방법
①Control cooling rate ≤50℃/h; ②Monitor crystallinity and performance correlation; ③Strain cracking inspection; ④Cooling curve records.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
핵심 요약
PTFE cooling manages the dual goals of crystallinity and stress; 50℃/h is the balanced rate; curve records support quality traceability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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