Molding Process
7 조회수
POE surface stress whitening
문제 현상
POE product stressed area surface stress whitening, affecting appearance and strength
원인 분석
POE under local stress, molecular orientation causes refractive index difference and whitening; product internal stress concentration areas
해결 방법
1) Reduce injection speed to reduce orientation stress; 2) Annealing treatment 80°C/2h to release stress; 3) Product design to avoid stress concentration sharp corners
핵심 요약
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
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