Production & Quality
4 조회수
PET Preform Storage Deformation
문제 현상
Preforms become elliptically deformed after stacking, and heating is uneven during blowing.
원인 분석
Preforms creep and deform under stacking pressure and heat (warehouse high temperature); or overfilled cartons squeeze them.
해결 방법
①Control warehouse temperature; ②carton loading quantity specifications; ③reject deformed preforms; ④first-in first-out.
핵심 요약
Preforms also fear heat and pressure.
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