Cold Foil for Sustainable Packaging Claims / 冷烫包装能否支持环保卖点
## Quick Answer Cold Foil for Sustainable Packaging Claims should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For brand marketers, the safest buying path is to test the foil on paperboard and label substrates, using the actual machine route for premium packaging with sustainability messaging. The main purchasing risk is material usage, recyclability claims, and supplier documentation. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss, adhesion, rub resis…