Cold Foil Holographic Patterns for Security Packaging / 镭射冷烫防伪图案怎么评估
## Quick Answer Cold Foil Holographic Patterns for Security Packaging should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For security packaging buyers, the safest buying path is to test the foil on holographic cold foil and label stock, using the actual machine route for anti-counterfeit labels and premium seals. The main purchasing risk is pattern continuity, registration, and visual authentication. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adh…