Molding Process
2 مشاهدة
Large EMA compression set
ظاهرة المشكلة
EMA product compression set >30%, below the 15% requirement
تحليل الأسباب
EMA elastic recovery insufficient; crosslinking degree too low with unrecoverable plastic deformation; density too low with thin cell walls and poor recovery
الحل
1) Increase crosslinking degree to 60-70% to reduce plastic deformation; 2) Select high elastic recovery EMA grade; 3) Add reinforcing filler
الخلاصة الأساسية
Large compression set is caused by insufficient crosslinking; increasing crosslinking degree is key
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