The composite bag has good waterproof performance and beautiful appearance

May 19, 2023

The paper-plastic composite bag is made of plastic and kraft paper. Usually, the plastic layer is made of polypropylene (PP) or polyethylene (PE) flat wire woven cloth as the base material, and the kraft paper is made of refined composite kraft paper, which has high strength and waterproof. Good performance and beautiful appearance. It is one of the most popular packaging materials and is widely used in plastic raw materials, cement, feed, chemical, fertilizer and other industries.
Paper-plastic composite bag-Composite plastic woven bag is made of plastic woven bag as the base material and compounded by casting method. They are mainly used for packaging powdery or granular solid materials and flexible items such as engineering plastics, rubber raw materials, building materials, food, chemical fertilizers, and cement.
Composite woven bag: according to the main material, it can be divided into polypropylene two-in-one bag, polypropylene three-in-one bag, polyethylene two-in-one bag, polyethylene three-in-one bag; bag, outer valve bag, inner valve bag;
●According to the effective width of the bag, it is divided into 450, 500, 550, 600, 650, and 700mm, and the effective width does not meet the above specifications.
Paper-plastic composite bag: commonly known as: three-in-one bag
(1) Definition Explanation
Paper-plastic composite bag: also known as three-in-one composite paper bag, is a small bulk container, which is mainly transported in units by manpower or forklifts. It is convenient for shipping small bulk powder and granular materials. Goryeo, which is easy to load and unload, is one of the most popular and practical general packaging materials.
(2) Process description: The outside is made of refined white kraft paper or yellow kraft paper, and the inside is made of plastic woven cloth. The plastic particles PP are melted by high temperature and high pressure, and the kraft paper and plastic woven cloth are combined. An inner film bag can be added. The form of the paper-plastic composite bag is equivalent to the seam-bottom open bag. It has the advantages of good strength, waterproof and moisture-proof.