Processing Machinery
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Color Difference from Uneven Mixing of PBT
Fenómeno del problema
The color or performance of PBT products with added color masterbatch or functional masterbatch is uneven.
Análisis de la causa
The color masterbatch is not fully mixed with the PBT base material; the screw mixing capacity is insufficient; the masterbatch matrix is incompatible.
Solución
Use PBT-based color masterbatch; add a static mixer; optimize the screw mixing section.
Conclusión clave
PBT mixing uniformity is the basis of quality consistency.
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