Molding Process
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AEPDS processing temperature
Fenómeno do problema
AEPDS processing temperature set improperly, EPDM rubber phase heat sensitivity, degradation or poor plasticization.
Análise das causas
AEPDS processing temperature refers to ABS but EPDM rubber thermal stability is different; too high degrades; too low causes insufficient plasticization; temperature window; rubber phase protection.
Solução
①Processing temperature 200-240℃ optimization; ②avoid high temperature residence; ③actual temperature measurement; ④rubber phase protection.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
AEPDS temperature management protects EPDM rubber; actual measurement prevents deviation; residence time control.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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