Waterproof roll film paper is a kind of hot-melt PE plastic particle film evenly coated on the surface of paper, forming film paper, also known as PE paper or plastic paper. Compared with ordinary paper, it is waterproof and oil-proof. It is mainly used to make cartons, cups, bags and packages for food, and can also be used as waterproof paper for industry.

Ordinary paper is made up of wood fibers, water absorption is strong, so everyone knows that paper absorbs moisture, afraid of moisture. PE plastics are evenly sprayed on the paper surface after hot melting by a film sprayer, forming a very thin film. Because it is hot melted on the paper surface, it is hard to separate from the bonding, and the whole process does not use any chemical solvents. It is very environmentally friendly, and in the later secondary processing of packaging, there is no need for adhesives, directly with the help of this PE film, under hot melting. Seal.