Incomplete Cold Foil Transfer: Causes and Fixes / 冷烫缺金转移不完整的原因和调整
## Quick Answer Incomplete Cold Foil Transfer: Causes and Fixes should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For quality engineers, the safest buying path is to test the foil on coated paper, labels, and treated films, using the actual machine route for labels and cartons with missing metallic areas. The main purchasing risk is adhesive volume, pressure, release, and artwork detail. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub r…