In the food packaging plastic bag industry, composite packaging bag is a common or commonly used. What is the compound bag, what are the materials,

Large composite bag is suitable for vacuum packaging or general packaging of food, electronic products, chemical, medicine, tea, precision instruments and defense cutting-edge products. It has the advantages of high strength, corrosion resistance, not easy to damage, non-toxic and tasteless, moisture-proof, light-proof, anti-ultraviolet, anti-static and so on. It is widely used in the packaging of powder and granules. The process is divided into: side sealing bag, bottom sealing bag, middle sealing bag, three side sealing; Material has BOPP/LLDPE two-layer composite; Common raw materials are: OPP, PE, POF, PPE, PP, etc.