Molding Process
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PC/ABS high and low temperature impact
Fenómeno do problema
The impact strength of PC/ABS decreases at -30°C low temperature.
Análise das causas
The Tg of the rubber phase in ABS is about -80°C and the secondary transition of PC is at -100°C, both having good low-temperature toughness, but improper ratio and severe PC degradation cause low-temperature embrittlement.
Solução
Ensure the PC component is not degraded; toughening formulation design; low-temperature verification testing.
Conclusão principal
PC/ABS low-temperature impact requires comprehensive consideration.
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