Injection Molding
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PETG '2079851475616104452 color masterbatch carrier mismatch causing spots
Fenómeno del problema
Color masterbatch disperses poorly in the product, producing color spots and stripes.
Análisis de la causa
The color masterbatch carrier resin (such as PE) is incompatible with PETG, and the dispersed phase is coarse.
Solución
Select PETG-based color masterbatch; use liquid color masterbatch or high-concentration color masterbatch; increase screw mixing.
Conclusión clave
PETG uniform coloring requires color masterbatch with a matching carrier.
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