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EEA Hardness Too Low

Fenómeno do problema

EEA product Shore hardness is 5-10 degrees lower than target, feels soft

Análise das causas

EEA soft nature, low hardness; too much plasticizer or softener added; crystallinity low

Solução

1) Add 5-10wt% rigid filler to increase hardness; 2) Reduce plasticizer dosage; 3) Increase cooling rate to increase crystallinity

Conclusão principal

Low hardness is caused by material softness and excessive plasticization; adding filler is key

EEA low hardness rigid filler plasticizer crystallization control

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