In a general practical sense, we call the structure of self-adhesive labels a "sandwich" structure: surface material, super glue (adhesive), and backing paper. These three-layer structures are the basic structure and are obtained by everyone's eyes.
The structure of self-adhesive labels In fact, many materials are likely to be more delicate. For example, some plastic film surface materials also have a coating on the surface, which is convenient for packaging and printing. Some materials and super glue also have a coating between them, which is convenient for materials Adequately fuse these with superglue.
