Injection Molding
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Effect of heat history accumulation on PCTG
Fenómeno del problema
PCTG quality gradually decreases after multiple '2079851475616104452 and pelletizing.
Análisis de la causa
Cumulative residence time causes molecular weight reduction and transparency decrease.
Solución
Reduce the number of regrind uses; supplement stabilizers; control melt temperature.
Conclusión clave
PCTG heat history accumulation is the focus of recycled material quality management.
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