Molding Process
7 조회수
EEA Surface Stress Whitening
문제 현상
Stress whitening on the surface of stressed areas of EEA products, affecting appearance and strength
원인 분석
Under local stress, EEA molecular orientation causes refractive index differences and whitening; internal stress concentration areas of the product
해결 방법
1) Reduce injection speed to reduce orientation stress; 2) Annealing treatment at 80°C/2h to release stress; 3) Product design to avoid stress-concentrating sharp corners
핵심 요약
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
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