Injection Molding
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CEF surface color difference obvious
Fenómeno del problema
The color depth of different parts of the CEF product is inconsistent, color difference ΔE>5
Análisis de la causa
The color masterbatch is unevenly dispersed; the pigment orientation during the injection process causes uneven color distribution; the barrel temperature fluctuates, causing color changes
Solución
1) Masterbatch method of color masterbatch to ensure uniform dispersion; 2) Reduce the injection speed to reduce pigment orientation; 3) Stabilize the barrel temperature ±2°C
Conclusión clave
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are the key
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