烫金一擦就掉的原因与解决方法
## 内容定位 用于回答“为什么烫金一擦就掉？”“是不是膜不好？”“覆膜纸/PU皮/塑料件烫金不牢怎么办？”��高频故障问题。 ## Reddit 英文短评版 If the foil transfers but rubs off easily, it is usually an adhesion issue. I would check three things first: the surface treatment, the stamping temperature, and whether the foil adhesive layer is suitable for that substrate. Matte lamination, UV coating, PU leather and plastic surfaces can be difficult for a general paper foil. A quick test: stamp the same foil on normal paper and on your actual substrate. If it only fails on the actual substrate, you probably need a foil grade made for that surface. ## Pr…