BOPP film is a very important flexible packaging material. BOPP film is colorless, odorless, odorless, non-toxic, and has high tensile strength, impact strength, rigidity, toughness and good transparency.
The surface energy of BOPP film is low. Corona treatment is required before gluing or printing. After corona treatment, BOPP film has good printing adaptability, and can be printed with color to obtain exquisite appearance effect, so it is often used as the surface layer material of composite film.