Molding Process
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Large EAA compression set
Problembeschreibung
EAA product compression set >30% below the 15% requirement
Ursachenanalyse
EAA elastic recovery insufficient; crosslinking degree too low, plastic deformation unrecoverable; density too low, thin cell walls with poor recovery
Lösung
1) Increase crosslinking degree to 60-70% to reduce plastic deformation; 2) Select high elastic recovery EAA grade; 3) Add reinforcing filler
Wichtigste Erkenntnis
Large compression set is caused by insufficient crosslinking; increasing crosslinking degree is key
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