Cold Foil on PE Film Labels: Surface Energy Checklist / PE 膜标签冷烫表面能检查清单
## Quick Answer Cold Foil on PE Film Labels: Surface Energy Checklist should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For label converters, the safest buying path is to test the foil on corona-treated PE film and label webs, using the actual machine route for flexible labels and tube labels. The main purchasing risk is surface aging, slip additives, and rub failure. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resistance, and repea…