Injection Molding
10 조회수
HDPE injection molded product color fading
문제 현상
Color masterbatch colored HDPE parts have uneven color or fading.
원인 분석
Uneven color masterbatch dispersion, insufficient temperature resistance (high temperature discoloration), or insufficient light fastness level.
해결 방법
①Increase back pressure for dispersion; ②select temperature-resistant color masterbatch; ③select light-fast color masterbatch for outdoor parts; ④premix uniformly.
핵심 요약
For color fading, check the three properties: dispersion, temperature resistance, light fastness.
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