Material Drying
4 조회수
Internal pores of POM injection molded products
문제 현상
Internal voids found in POM products.
원인 분석
POM is not sensitive to hydrolysis, but if it contains trace moisture or degradation gas, pores will form in the product; insufficient holding pressure is also a cause.
해결 방법
Drying treatment 80-90°C/2-4h; increase holding pressure; optimize venting.
핵심 요약
POM pores are mainly related to gas generation and holding pressure.
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