Molding Process
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POE compression set large
Fenómeno del problema
POE product compression set >30%, below 15% requirement
Análisis de la causa
POE elastic recovery insufficient; crosslinking degree low, plastic deformation unrecoverable; density low, cell walls thin, recovery poor
Solución
1) Increase crosslinking degree to 60-70% to reduce plastic deformation; 2) Select high elastic recovery POE grade; 3) Add reinforcing filler
Conclusión clave
Large compression set is caused by insufficient crosslinking; increasing crosslinking degree is key
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