Extrusion & Post
3 조회수
Burnt Material at PBT Extrusion Die Head
문제 현상
After long-term operation of the PBT extrusion die head, carbonized matter (burnt material) forms at the outlet.
원인 분석
PBT oxidizes and cokes when contacting air at high temperature at the die head outlet, which is most serious at flow dead corners and material hang-up points.
해결 방법
Regularly clean the burnt material at the die head outlet; reduce the die head temperature; use a burnt material inhibitor coating.
핵심 요약
PBT extrusion burnt material accumulates slowly.
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