Cold Foil for Offset Printed Packaging / 胶印包装冷烫工艺路线怎么选
## Quick Answer Cold Foil for Offset Printed Packaging should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For offset packaging printers, the safest buying path is to test the foil on offset printed sheets and coated carton board, using the actual machine route for folding cartons and display packaging. The main purchasing risk is adhesive station, drying, overprint, and sheet handling. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resi…