Speaking of protective film, I believe everyone will not be unfamiliar. This is a kind of polymer organic compound with a very simple structure. It is currently a very widely used polymer material, which can protect the product in the process of production, processing, transportation, storage and use. It does not receive pollution, corrosion and scratches, protects the original smoothness and luster of the product surface, not only can simplify the process, save energy, but also help enterprises reduce costs and increase revenue. In recent years, the market demand for this kind of product has increased and it is showing a steadily rising trend. There are also numerous products on the market. There are so many varieties. Many friends often do not face such a complex market. Knowing how to choose, today, we will teach you three tips for choosing high-quality protective film: 1. Look at the flexibility, can withstand higher impact, and protect the object being packaged; 2. The viscosity is appropriate, both It must be able to be firmly and compliantly pasted on the protected object, and it must be able to be removed smoothly after use. During use, there will be no warping, falling off, and brittle fracture, which will increase unnecessary trouble. ; 3. It cannot be degummed. When the product is used and removed, the surface of the protected product cannot be left with glue and traces to ensure the smooth and beautiful surface of the product.