Cast polypropylene film

Cast polypropylene film is a polypropylene film produced by tape casting process. It can also be divided into ordinary CPP and cooking CPP. It has excellent transparency, uniform thickness, and uniform performance in both vertical and horizontal directions. It is generally used as the inner layer material of composite film. The thickness of ordinary CPP film is generally 25~50 μ M, the transparency is good after compounding with OPP, the surface is bright, and the handle is firm. This material is used for general gift packaging bags. The film also has good heat sealing property. The thickness of cooking CPP film is generally 60-80 μ  It can withstand high temperature cooking at 121 ℃ for 30 minutes. It has good oil resistance, air tightness and high heat sealing strength. The inner layer of general meat packaging adopts cooking grade CPP film.