Material Analysis
11 조회수
Exudate from PET bottle cap liners
문제 현상
Oily or powdery substances exude from the liner inside the PET bottle cap, contaminating the contents.
원인 분석
Small-molecule additives (plasticizers, slip agents, etc.) in the liner material migrate and exude; the liner material is not resistant to the contents.
해결 방법
Select liner material formulations with low migration; control the type and dosage of additives; conduct accelerated migration tests for verification.
핵심 요약
PET bottle cap liner exudation is a strictly controlled issue in food packaging.
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