Material Analysis
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EVOH Flexural Modulus Too Low
Problembeschreibung
EVOH product flexural modulus 20% below design value
Ursachenanalyse
EVOH soft, modulus low; filler addition insufficient or interface poor, no reinforcing effect; crystallinity too low
Lösung
1) Add 10-15wt% rigid filler to increase modulus; 2) Nucleating agent to raise crystallinity; 3) Select high modulus grade
Wichtigste Erkenntnis
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
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