Extrusion & Post
3 Aufrufe
PETG poor compatibility with inks and coatings, undercutting
Problembeschreibung
Solvents in inks or coatings erode the PETG surface, producing swelling or cracking.
Ursachenanalyse
The coating solvent has an erosive effect on PETG, and the interface between the coating and the substrate bonds poorly.
Lösung
Select water-based or UV-curable inks and coatings; test the effect of solvents on PETG; pretreat the product surface.
Wichtigste Erkenntnis
PETG coating requires attention to solvent system selection.
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