Injection Molding
6 مشاهدة
PETG injection molded part surface scratches
ظاهرة المشكلة
PETG transparent product surfaces are prone to scratches, and transparency and appearance are affected.
تحليل الأسباب
PETG surface hardness is low (pencil hardness HB-F), contact with hard objects during handling, and scratching during mold opening/closing and ejection.
الحل
Use UV-curable hard coating to increase hardness; optimize mold opening/closing and demolding actions; use protective film for product packaging.
الخلاصة الأساسية
PETG poor surface scratch resistance is its application shortcoming, requiring coating protection.
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