Injection Molding
13 مشاهدة
Severe mold deposit of PBT injection molded parts
ظاهرة المشكلة
White or yellow deposits (mold deposit) appear on the mold surface after a period of PBT '2079851475616104452.
تحليل الأسباب
Low molecular oligomers and additives in PBT migrate to the mold surface and deposit at high temperature; impurities accumulate in the recycled material.
الحل
Clean the mold regularly; reduce the processing temperature; select PBT grades with low oligomers; use anti-mold-deposit additives.
الخلاصة الأساسية
PBT mold deposit is the result of additive and oligomer migration.
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!