The packaging film is mainly made of a mixture of several different grades of polyethylene resin. It has anti-puncture and high strength. It wraps the goods stacked on the pallet, making the packaging more stable and tidy, waterproof and widely used. . The type of packaging film varies depending on the material, and its types are:
PVA coated high barrier film: Its main raw material is polyethylene, in which PVA is added with nano-inorganic material and then coated on the surface of polyethylene material to form such a high barrier film.
Biaxially oriented polypropylene film: It is made by biaxial stretching of polypropylene. This film has poor printing effect and poor ink adhesion. Therefore, it is often used as a packaging material for printing.
Low-density polyethylene film: Low-density polyethylene film is generally printed, and because of its high cost and high price, it is rarely used.
Polyester film: Polyester film is commonly used as a substrate in composite materials. Each type of packaging film has its own characteristics and can be selected according to the characteristics of the product packaging.
Cast polypropylene film: It is a polypropylene film produced by a casting process and has good sealing performance. The cooking film thickness is generally 60m °Cμ~80,121,30 minutes, high temperature cooking, oil resistance, air tightness, and high heat sealing strength.