Material Analysis
12 görüntüleme
EVA hardness is too high
Sorun Belirtisi
EVA product Shore hardness is 5-10 degrees higher than target, feels hard
Neden Analizi
EVA crystallinity too high with increased rigidity; too much filler added; cooling too fast with imperfect crystallization but rigidity frozen in
Çözüm
1) Reduce cooling rate to make crystallization complete and reduce the hard feel; 2) Reduce filler addition amount; 3) Add 0.5wt% plasticizer to reduce hardness
Temel Çıkarım
High hardness is caused by crystallization and filler; adjusting cooling and filler is key
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