Extrusion & Post
6 مشاهدة
PETG poor compatibility with inks and coatings, undercutting
ظاهرة المشكلة
Solvents in inks or coatings erode the PETG surface, producing swelling or cracking.
تحليل الأسباب
The coating solvent has an erosive effect on PETG, and the interface between the coating and the substrate bonds poorly.
الحل
Select water-based or UV-curable inks and coatings; test the effect of solvents on PETG; pretreat the product surface.
الخلاصة الأساسية
PETG coating requires attention to solvent system selection.
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