It is well known that pe protective film can play the role of protective film in freight packaging. However, during the procurement process, many customers can't tell the difference between self-adhesive film and glued film. Generally speaking, our broad way of distinguishing PE protective film is to judge whether it has glue. It is divided into the protective film with and without PE. The protective film with PE adds corona treatment on the surface of the base film to increase the surface area of ??the film and bring static electricity to meet the needs of coating. After high temperature baking It is conducive to the combination of glue and film. This protective film has good breathability and good viscosity, and it is not easy to appear bubbles after use.