Injection Molding
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PPSU product flash
Fenómeno del problema
PPSU '2079851475616104452 flash is tough and difficult to remove.
Análisis de la causa
Although PPSU has high viscosity, it can still overflow from the parting line when the injection force is large.
Solución
Increase clamping force; precision parting line; three-stage injection to reduce peak pressure.
Conclusión clave
PPSU flash control relies on mold and equipment precision.
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