Molding Process
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Color migration of PCTG colored products
Fenómeno del problema
Product color migrates to contacting objects causing contamination.
Análisis de la causa
The dyes or pigments used have poor migration resistance; low molecular substances carry color.
Solución
Select migration-resistant pigments; increase processing temperature to fix pigments; surface sealing coating.
Conclusión clave
PCTG color migration is related to colorant quality.
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