Extrusion & Post
4 조회수
PETG poor compatibility with inks and coatings, undercutting
문제 현상
Solvents in inks or coatings erode the PETG surface, producing swelling or cracking.
원인 분석
The coating solvent has an erosive effect on PETG, and the interface between the coating and the substrate bonds poorly.
해결 방법
Select water-based or UV-curable inks and coatings; test the effect of solvents on PETG; pretreat the product surface.
핵심 요약
PETG coating requires attention to solvent system selection.
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