Material Analysis
13 مشاهدة
Unstable EEA shrinkage rate
ظاهرة المشكلة
EEA product shrinkage rate fluctuates ±0.8% exceeding the ±0.2% requirement
تحليل الأسباب
Molecular weight difference between EEA batches causing shrinkage rate change; processing temperature fluctuation affecting crystallinity and thus the shrinkage rate
الحل
1) Strictly control raw material batch consistency; 2) Stabilize processing temperature ±2°C to ensure consistent crystallinity; 3) Reserve adjustment space for mold shrinkage compensation
الخلاصة الأساسية
Unstable shrinkage rate is caused by batch difference and temperature fluctuation; raw material and temperature control are key
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