Molds & Tooling
5 조회수
Product incomplete crystallization, poor performance
문제 현상
The product appears amber translucent (amorphous), and mechanical strength and chemical resistance are far lower than expected
원인 분석
Mold temperature <180°C causes the skin layer to quench forming amorphous structure; cooling rate in the cavity too fast, molecular chains have no time to arrange orderly
해결 방법
Strictly maintain the mold temperature at 180-200°C using an oil temperature control system; product post-crystallization heat treatment at 200°C/2h to promote full crystallization (up to 30-40% crystallinity)
핵심 요약
PEEK crystallinity needs to reach more than 30% to fully reflect its high performance
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