Material Analysis
7 visualizações
Insufficient tensile strength of PU
Fenómeno do problema
PU product tensile strength 15-20% below standard value
Análise das causas
PU molecular weight too low, insufficient strength foundation; poor filler interface, no reinforcing effect; excessive orientation, strong longitudinally and weak transversely
Solução
1) Select high molecular weight PU grade; 2) Treat filler with coupling agent to improve interface; 3) Reduce orientation to reduce longitudinal-transverse difference
Conclusão principal
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grade is key
Isto foi útil?
0 pessoas acharam isto útil
Obrigado pelo seu comentário!