Molding Process 3 visualizações

EVA hardness is too low

Fenómeno do problema

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

Análise das causas

EVA's soft nature with low hardness; too much plasticizer or softener added; low crystallinity

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

EVA low hardness rigid filler plasticizer crystallization control

Isto foi útil?

0 pessoas acharam isto útil