Extrusion & Post
3 조회수
Post-shrinkage of PCTG products
문제 현상
Products continue to shrink and change dimensions within 24-48h after demolding.
원인 분석
Post-shrinkage of non-equilibrium molecular chains, insufficient annealing.
해결 방법
Demold after full cooling; timely annealing to release stress.
핵심 요약
PCTG post-shrinkage affects immediate packaging.
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