Production & Quality
13 مشاهدة
EVA surface blooming precipitation
ظاهرة المشكلة
White frost-like low molecular substances precipitate on the EVA product surface, affecting appearance
تحليل الأسباب
Low molecular components in EVA migrate to the surface and precipitate during storage; lubricant or plasticizer supersaturated precipitation
الحل
1) Select high molecular weight EVA to reduce low molecular substances; 2) Reduce lubricant addition amount to a reasonable level; 3) Clean the product surface and then test to identify the source
الخلاصة الأساسية
Blooming is caused by low molecular migration and precipitation; selecting high molecular weight grades is fundamental
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!