Injection Molding
6 조회수
PPS '2079851475616104452 processing temperature control
문제 현상
PPS processing temperature range 290-350°C is narrow; improper temperature causes degradation or poor filling.
원인 분석
PPS melting temperature is about 280°C and requires processing above 290°C, but above 350°C oxidative crosslinking and degradation occur.
해결 방법
Precisely control barrel temperature 290-330°C; avoid excessive temperature and residence time.
핵심 요약
PPS heat-resistant plastic itself also has a limited processing temperature window.
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