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Molding Process 6 Aufrufe

EAA hardness too low

Problembeschreibung
EAA product Shore hardness 5-10 degrees lower than target, soft hand feel
Ursachenanalyse
EAA soft nature, low hardness; excessive plasticizer or softener addition; crystallinity too low
Lösung
1) Add rigid filler 5-10wt% to increase hardness; 2) Reduce plasticizer dosage; 3) Increase cooling rate to increase crystallinity
Wichtigste Erkenntnis
Low hardness is caused by material softness and excessive plasticization; adding filler is key
EAAlow hardnessrigid fillerplasticizercrystallization control

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