Paper-plastic composite bag is also called paper-plastic composite bag or compound bag. Its product definition is: paper-plastic composite bag-composite plastic woven bag is made of plastic woven bag (abbreviated as cloth). Made (cloth/film composite is two-in-one, cloth/film/paper composite is three-in-one). They are mainly used for packaging powdered or granular solid materials such as fertilizers, synthetic materials, explosives, grain, salt, minerals, and flexible articles. Composite woven bag: divided into polypropylene two-in-one bag, polypropylene three-in-one bag, polyethylene two-in-one bag, polyethylene three-in-one bag according to main materials; divided into bottom bag and seam bottom according to sewing method Bag, insert pocket, adhesive sewing bag; according to the effective width of the bag is divided into 450, 500, 550, 600, 650, 700mm, where the effective width does not meet the above specifications.
Paper-plastic composite bag: commonly known as three-in-one bag

(1) Definition of definition

Paper-plastic composite bag: also known as three-in-one composite paper bag, it is a small bulk container, which is mainly transported by human or forklift. It is convenient for loading small bulk powdery materials, with high strength and good waterproofness. Koryo, easy to load and unload, etc., 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, which 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 fabric are combined together. The inner film bag can be added. The paper-plastic composite bag form is equivalent to the open bag at the bottom of the seam. It has the advantages of good strength, waterproof and moisture resistance.