Material Analysis
11 조회수
Insufficient EVOH Tensile Strength
문제 현상
EVOH product tensile strength 15-20% below standard value
원인 분석
EVOH molecular weight too low, strength foundation insufficient; filler interface poor, no reinforcing effect; orientation excessive, strong longitudinally and weak transversely
해결 방법
1) Select high molecular weight EVOH grade; 2) Treat filler with coupling agent to improve interface; 3) Reduce orientation to decrease longitudinal-transverse difference
핵심 요약
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grade is key
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