Material Analysis 11 조회수

MP hardness too high

문제 현상

MP product Shore hardness 5-10 degrees higher than the target, hard to the touch

원인 분석

MP crystallinity high, rigidity increased; filler added too much; cooling too fast, crystallization incomplete but rigidity frozen

해결 방법

1) reduce cooling rate to complete crystallization and reduce the hard feel; 2) reduce filler addition; 3) add plasticizer 0.5wt% to lower hardness

핵심 요약

high hardness is caused by crystallization and filler; adjusting cooling and filler are key

MP hardness too high crystallinity filler amount plasticizer

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