Reasons for residual glue in PE protective film

- Nov 25, 2019-

There are two reasons why PE protective film will produce residual glue: 1. Human factors; 2. Intrinsic factors of glue. In the process of using PE protective film, because the choice of protective film is not professional, it is not suitable for the viscosity of its own products, so it is easy to cause the residual glue of the protective film.

1. Human factors: Some people think that PE protective film looks like a layer of plastic film. Any kind of protective film can meet your product needs, or even just feel like it can be attached. It is a very irresponsible That is to say, there are still many professional knowledge about PE protective film, for example: to maintain the cleanliness of the product before the film, no grease and no chemical residue on the surface of the product, otherwise it is easy to cause the residue to react with the glue and cause degumming, The phenomenon of insufficient viscosity, etc ...

2. The internal factors of the glue are divided into the following three points: ① the adhesive base is damaged, there is more rubber residue on the surface of the protected product, and the substrate is visible on the surface of the PE protective film; ② cohesive damage, the surface of the protected product and the substrate There are pressure sensitive adhesives, and the coated surface of the protective film loses its luster; ③Residual migration, there is a small amount of residual pressure sensitive adhesive on the surface of the protected product, and the gloss of the coated surface of the PE protective film remains good.

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