Cold Foil After Lamination: When It Fails / 覆膜后冷烫为什么经常失败
## Quick Answer Cold Foil After Lamination: When It Fails should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For packaging engineers, the safest buying path is to test the foil on laminated paperboard and film surfaces, using the actual machine route for premium cartons and cards. The main purchasing risk is surface energy, varnish wetting, and alternate process choice. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resistance, and repe…