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