Molds & Tooling
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High mold temperature requirement of PAR
Fenómeno del problema
The mold temperature needs 120-160°C, which conventional water temperature machines cannot meet.
Análisis de la causa
PAR needs a high mold temperature (close to half of Tg, about 190°C) to reduce internal stress and ensure crystallization.
Solución
Use an oil temperature machine or electrically heated mold; the mold heating system design needs to consider high temperature.
Conclusión clave
PAR has special requirements for the mold heating system.
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