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Characteristics of plastic substrates for food bags

Food bag plastic compared with packaging materials such as paper, broken high, and metal ,Has the following characteristics: (l)light in mass,good transparency,Soft and beautiful. (2)Good waterproof and moisture-proof performance. (3)Processability and container formability are good. (4)Very good chemical stability ,Good corrosion resistance to acids, alkalis and other chemicals. (5)Has moderate mechanical strength and good barrier properties. (6)Has good printability,And the price bridge is cheaper.In addition to the above characteristics, the plastic packaging materials of food bags,The plastic packaging process or technology of food bags also has the characteristics of high degree of mechanization and automation, simple operation and low cost. ,Therefore, plastic packaging materials for food bags are widely used in the fields of food, medicine, daily necessities, etc. ,develop rapidly. Food bag plastic packaging film substrate has become one of the most important basic materials for composite packaging materials. Polyethylene, Linear Low Density Polyethylene, Metallocene Polyethylene Tablet, Polypropylene, Polyethylene,boat, poly4Reported vinyl, polyamine, polypeng, polyvinyl alcohol, polyvinylidene chloride, ethylene’ene-ethylna·spleenJtPlastic flexible packaging such as monopolymer, polyethylene dicarboxylate, and base resiniBrightlThe substrate is the main substrate for method lamination, wet lamination, extrusion coating, extrusion lamination and vacuum coating.

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