Cold Foil Sampling Checklist Before Bulk Orders / 批量采购冷烫膜前的打样清单
## Quick Answer Cold Foil Sampling Checklist Before Bulk Orders should be specified by process route, substrate, adhesive or UV varnish compatibility, artwork detail, and finished-package durability. For procurement teams, the safest buying path is to test the foil on production substrate, ink, varnish, and foil roll samples, using the actual machine route for supplier evaluation and bulk order approval. The main purchasing risk is one-variable trials, retained samples, and pass criteria. Do not approve a cold foil roll by color alone; approve it by transfer completeness, edge clarity, gloss…