Cold Foil vs Hot Foil for Packaging Buyers / 包装采购如何比较冷烫和热烫
## Quick Answer Cold Foil vs Hot Foil for Packaging Buyers should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For packaging buyers, the safest buying path is to test the foil on paperboard, labels, plastic films, and laminated stock, using the actual machine route for cartons, labels, and promotional packaging. The main purchasing risk is tooling cost, line speed, finish depth, and substrate limits. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhe…