Material Analysis
13 مشاهدة
Exudate from PET bottle cap liners
ظاهرة المشكلة
Oily or powdery substances exude from the liner inside the PET bottle cap, contaminating the contents.
تحليل الأسباب
Small-molecule additives (plasticizers, slip agents, etc.) in the liner material migrate and exude; the liner material is not resistant to the contents.
الحل
Select liner material formulations with low migration; control the type and dosage of additives; conduct accelerated migration tests for verification.
الخلاصة الأساسية
PET bottle cap liner exudation is a strictly controlled issue in food packaging.
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