The valve pockets are stacked neatly and beautifully
May 26, 2023
Valve bag, commonly known as sticky bottom bag, is an internationally popular packaging bag. It feeds from the top or bottom valve port. It uses special filling equipment. After filling the material, it is packed into a cube. The stack is neat and beautiful. It belongs to the environmental protection bag.
According to the material, valve bags can be divided into: pp valve bags, PE valve bags, paper-plastic composite valve bags, kraft paper valve bags and multi-layer kraft paper valve bags. PP valve pockets are made of polypropylene woven cloth with upper or lower valve ports, which can improve packaging efficiency compared with ordinary PP woven bags; PE valve bags are made of polyethylene woven cloth valve ports; paper-plastic composite valve bags are It is made of plastic woven bag (cloth for short) as the base material and compounded by casting method (cloth/film composite is two-in-one, cloth/film/paper composite is three-in-one); the material of kraft paper valve bag is mainly Kraft paper, of which kraft paper is divided into imported kraft paper and domestic kraft paper.
According to the opening, the valve pockets can be divided into: upper opening valve pockets, lower opening valve pockets, and upper and lower opening valve pockets.
Valve bags are mainly used for packing food powder, chemical powder, fertilizer, synthetic materials, explosives, grain, salt, minerals and other powdery or granular solid materials and flexible items. It is especially suitable for export enterprises and can improve the packaging grade of products.






