Injection Molding
5 조회수
EVA surface color difference is obvious
문제 현상
EVA products have inconsistent color depth in different parts, color difference ΔE>5
원인 분석
Uneven dispersion of color masterbatch; pigment orientation during injection causing uneven color distribution; barrel temperature fluctuation causing color change
해결 방법
1) Color masterbatch masterbatch method to ensure uniform dispersion; 2) Reduce injection speed to reduce pigment orientation; 3) Stabilize barrel temperature ±2°C
핵심 요약
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
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