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