Production & Quality
4 조회수
PLA products soften and deform at high temperature
문제 현상
PLA products soften and deform when used in environments above 55-65°C.
원인 분석
The glass transition temperature of PLA is about 55-60°C and the melting point is 150-170°C; the heat resistance is poor, and it softens above Tg.
해결 방법
Use heat-resistant PLA grades (crystalline type HDT can be improved); annealing heat treatment to improve heat resistance; mark the use temperature limit.
핵심 요약
The heat resistance of PLA is one of the biggest limitations of its application.
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