Injection Molding
13 مشاهدة
HDPE injection molded product color fading
ظاهرة المشكلة
Color masterbatch colored HDPE parts have uneven color or fading.
تحليل الأسباب
Uneven color masterbatch dispersion, insufficient temperature resistance (high temperature discoloration), or insufficient light fastness level.
الحل
①Increase back pressure for dispersion; ②select temperature-resistant color masterbatch; ③select light-fast color masterbatch for outdoor parts; ④premix uniformly.
الخلاصة الأساسية
For color fading, check the three properties: dispersion, temperature resistance, light fastness.
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