Extrusion & Post
4 조회수
HDPE film poor opening
문제 현상
Two layers of the film stick together after winding, making bag opening difficult.
원인 분석
Insufficient slip/anti-blocking agent in HDPE film or slow migration; high winding tension and high film temperature aggravate blocking.
해결 방법
①Add/adjust anti-blocking agent and slip agent; ②reduce winding tension; ③fully cool the bubble before winding; ④control storage temperature.
핵심 요약
Opening is controlled by three controls: additives + tension + temperature.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!