Extrusion & Post
4 조회수
Unstable film bubble in PLA blown film process
문제 현상
The film bubble swings and breaks during the PLA blown film process.
원인 분석
The PLA melt strength is low, the film bubble is greatly affected by the air flow and is unstable, and the cooling is uneven.
해결 방법
Use melt strength enhanced PLA (branched PLA); stabilize the cooling air ring.
핵심 요약
PLA blown film needs to enhance the melt strength.
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