Why Cold Foil Has Poor Adhesion After UV Curing / UV 固化后冷烫附着力差怎么排查
## Quick Answer Why Cold Foil Has Poor Adhesion After UV Curing should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For press operators, the safest buying path is to test the foil on UV varnished labels and coated cartons, using the actual machine route for failed metallic transfer jobs. The main purchasing risk is UV dose, adhesive wetting, substrate energy, and cure timing. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resistance, and…