Injection Molding
6 görüntüleme
EVA surface color difference is obvious
Sorun Belirtisi
EVA products have inconsistent color depth in different parts, color difference ΔE>5
Neden Analizi
Uneven dispersion of color masterbatch; pigment orientation during injection causing uneven color distribution; barrel temperature fluctuation causing color change
Çözüm
1) Color masterbatch masterbatch method to ensure uniform dispersion; 2) Reduce injection speed to reduce pigment orientation; 3) Stabilize barrel temperature ±2°C
Temel Çıkarım
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
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