The product has a weight range of 30-60g/m ² and is characterized by high smoothness, strong film adhesion, high strength, high stiffness, low wrinkling, and good printing effect. It is mainly used in the production of food grade coated paper. After single-sided or double-sided coating and aluminum foil coating, the product has high strength, waterproof, oil resistant and other characteristics. It is widely used in hamburger packaging, food packaging bags, meal tray mats, etc.