Cold Foil Fine Halftone Metallic Effects / 冷烫网点金属效果怎么做稳定
## Quick Answer Cold Foil Fine Halftone Metallic Effects should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For prepress teams, the safest buying path is to test the foil on sheet-fed offset cold foil and coated stock, using the actual machine route for halftone metallic backgrounds and gradients. The main purchasing risk is dot gain, adhesive pattern, and overprint control. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resistance, and…