Molding Process
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CMC Hardness Too Low
Fenómeno del problema
Shore hardness of CMC products is 5-10 degrees lower than the target, feeling soft
Análisis de la causa
CMC is soft in nature and has low hardness; too much plasticizer or softener added; crystallinity is low
Solución
1)Add rigid filler 5-10wt% to increase hardness; 2)Reduce plasticizer amount; 3)Increase cooling rate to increase crystallinity
Conclusión clave
Low hardness is caused by material softness and excessive plasticization; adding filler is the key
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