Processing Machinery
4 조회수
Unmelted Particles Inside EVOH
문제 현상
Unmelted transparent or translucent particles appear inside EVOH products
원인 분석
Screw plasticizing capacity insufficient, temperature too low; feeding amount too large, exceeding plasticizing capacity; EVOH melting temperature too high
해결 방법
1) Increase processing temperature to ensure full melting; 2) Reduce feeding amount to match plasticizing capacity; 3) Increase screw mixing section
핵심 요약
Unmelted particles are caused by insufficient plasticizing; increasing temperature and reducing feeding are key
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