Injection Molding
5 مشاهدة
Obvious EMA surface color difference
ظاهرة المشكلة
Color shades vary at different parts of EMA products with color difference ΔE>5
تحليل الأسباب
Color masterbatch granules unevenly dispersed; pigment orientation during injection causes uneven color distribution; barrel temperature fluctuation causes color change
الحل
1) Use color masterbatch masterbatch method to ensure uniform dispersion; 2) Reduce injection speed to reduce pigment orientation; 3) Stabilize barrel temperature within ±2°C
الخلاصة الأساسية
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
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