Cold Foil for Packaging Prototypes / 包装打样为什么适合数码冷烫
## Quick Answer Cold Foil for Packaging Prototypes should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For packaging design teams, the safest buying path is to test the foil on prototype cartons and digital print stock, using the actual machine route for mockups, samples, and pre-production trials. The main purchasing risk is fast iteration, no metal die, and customer approval. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resistance, a…