PE protective film is a produced on the basis of special polyethylene (PE) plastic film. According to different densities, it can be divided into three different types: high-density polyethylene protective film, medium density polyethylene, and low density polyethylene.

The advantage of PE protective film is that it will not corrode or scratch during production, transportation, and storage. Its function is to protect the original smooth and bright surface of the product from pollution, in order to improve product quality and market competitiveness. At present, PE protective film is mainly used in the following industries: ① hardware industry; ② Optoelectronics industry; ③ Plastic industry; ④ Printing industry; ⑤ Wire and cable industry; ⑥ Electronic industry; ⑦ The mobile digital industry.

PE protective film application is as follows:

1. The strength of the PE protective film manufacturer's surface material is related to the thickness of the surface material, fiber (polymer) structure, and its own humidity.

In the die-cutting process of PET protective film materials, the factor closely related to the surface material is the waste discharge speed. The higher the humidity, the weaker the strength of the PE protective film manufacturer's materials after they become damp, and they can be easily pulled and even cannot be discharged.

When designing a layout, it is important to consider the strength of the material and implement a reasonable placement of labels based on the size and speed of waste disposal. This not only improves production efficiency, but also increases material wastage.

2. The thickness of the surface material directly affects the depth of die-cutting, and the thicker the material, the more arbitrary the die-cutting is.

Because the thicker the material, the greater the tolerance for die-cutting, and the less likely it is to cut through the backing paper. Relatively speaking, the material is thin and there are defects of cutting through the backing paper at will. If distinguishing between 80g/m2 and 60g/m2 die-cutting on a consistent flat label die-cutting machine, the same surface material as the base paper. The results showed that the waste discharge of 80g/m2 material was normal during die-cutting, while when replacing with 60g/m2 material, there were often phenomena such as waste discharge fracture, bottom paper cutting through, and loss of marks during die-cutting. It was necessary to frequently shut down the machine and pad the plate, resulting in significant wastage.

There are various reasons for such situations. Assuming the use of circular die-cutting or reducing the die-cutting area, and the use of high-precision equipment by PE protective film manufacturers, this phenomenon can be added or avoided.

So when die-cutting thin surface materials, it is necessary to use high-precision equipment to increase the die-cutting area (especially small labels) as much as possible. PE protective film manufacturers should use die-cutting plates produced by die-cutting plate manufacturers, and pay attention to the accuracy of the pad plate.