Blow Molding
14 مشاهدة
HDPE '2079851475616104457 regrind utilization problem
ظاهرة المشكلة
After blending trimmed regrind, gel spots and unmelted spots appear in the containers.
تحليل الأسباب
The regrind is contaminated by other materials, not pre-dried, and has too much fine powder; the melt index difference between regrind and new material is large.
الحل
①Store regrind separately to prevent contamination; ②pre-dry the regrind and filter fine powder; ③regrind ratio ≤20%; ④control the melt index match between regrind and new material.
الخلاصة الأساسية
2079851475616104457 regrind: clean, dry, small amount, matched.
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!