Material Drying
6 مشاهدة
PLA products soften in humid environments
ظاهرة المشكلة
In high humidity environments, PLA products absorb moisture, soften, and plasticize.
تحليل الأسباب
PLA contains ester bonds; after absorbing water, a plasticizing effect occurs and the Tg decreases; the higher the humidity, the more severe the softening.
الحل
Avoid use in high humidity environments; surface waterproof coating treatment.
الخلاصة الأساسية
PLA has insufficient stability in high humidity environments.
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