Il-materjali tal-ippakkjar tal-port tal-valv huma diversifikati biex jissodisfaw rekwiżiti differenti tal-ippakkjar tal-prodott

According to the material, valve bag valve pocket can be divided into pp valve pocket, PE valve pocket, paper-plastic composite valve pocket, kraft paper valve pocket and multi-layer kraft paper valve pocket. PP valve pocket is made of polypropylene woven cloth valve port or valve port, than the general PP woven bag can improve the packaging efficiency; PE valve pocket is made of polyethylene woven cloth valve mouth; Paper-plastic composite valve pocket is made of plastic woven bag (cloth for short) as the base material, after the flow method is made of composite (cloth/film composite for two, cloth/film/paper composite for three); Kraft valve pocket material is mainly kraft paper, which is divided into imported kraft paper and domestic kraft paper two. Valve pocket by opening can be divided into: upper opening valve pocket, lower opening valve pocket, upper and lower opening valve pocket. Valve pocket is mainly used for packaging food powder, chemical powder, chemical fertilizer, synthetic materials, explosives, food, salt, minerals and other powder or granular solid materials and flexible items. Especially suitable for export enterprises to use, can improve the packaging grade of products. Valve pocket, commonly known as paste bottom bag, is currently the international popular packaging bag, feeding from the top or bottom valve port, using special filling equipment, filling materials into a cuboid, stacked neatly, beautiful, belongs to the environmental protection bag. Surface material: natural color, white, color kraft paper or extended kraft paper. Lining material: natural color, white kraft paper or extended kraft paper. Additional material: PP, PE moistureproof film can be attached. Valve port type: flanged, cylinder, film type or according to customer's requirement. Valve inside and outside the valve opening can be customized according to user's product features: the green environmental protection product, material diversification, to adapt to the different product packaging requirements, the paper conforms to the environmental protection and export packing requirements for Europe and the United States, according to the production of food hygiene requirements, high temperature smoke wet and dry, printing, bag shape is beautiful, the large inclusion, packing and filling is suitable for automatic packaging machinery. Scope of application: widely used in chemical raw materials, new building materials, high-tech materials, pharmaceutical additives, food additives, starch, cream, engineering plastics, leaves paper bags, pet food bags and other powder and granular products packaging