Extrusion & Post
4 조회수
Burnt Material at LDPE Extrusion Die Head
문제 현상
The die head gap periodically brings out yellow burnt material.
원인 분석
Stagnation and degradation in die head flow channel dead spots; temperature too high or residence too long.
해결 방법
①Clean die head flow channels; ②optimize flow channels to reduce dead spots; ③control temperature; ④regularly disassemble and wash.
핵심 요약
Burnt material = dead-spot stagnation degradation.
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