Material Drying
4 조회수
Black or dark speck impurities appear on the surface or inside the product
문제 현상
Black or dark speck impurities appear on the surface or inside the product, randomly distributed, affecting appearance and transparency
원인 분석
Incomplete cleaning of carbon deposits in barrel or screw
Impurities mixed in during raw material packaging or transportation
Carbonized residue from flash overflow in mold vent grooves
Foreign materials mixed into regrind
Insufficient cleaning of drying equipment
해결 방법
Regularly clean the barrel and screw
Strengthen raw material inspection and storage management
Clean flash overflow in mold vent grooves
Strictly separate regrind to avoid mixing materials
Clean drying equipment
핵심 요약
Black specks need to be addressed from cleaning management and raw material purity
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!