Material Analysis
11 조회수
CEF hardness too high
문제 현상
The Shore hardness of the CEF product is 5-10 degrees higher than the target and feels hard
원인 분석
The CEF crystallinity is high and the rigidity increases; too much filler is added; the cooling is too fast, the crystallization is imperfect but the rigidity is frozen
해결 방법
1) Reduce the cooling rate to make the crystallization perfect and reduce the hard feel; 2) Reduce the amount of filler added; 3) Add plasticizer 0.5wt% to reduce hardness
핵심 요약
High hardness is caused by crystallization and fillers; adjusting cooling and fillers is the key
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