Plastic compound bag and common plastic bags to distinguish


Plastic bags are generally composed of BOPP and co extruded film, BOPP and PET composite etc.. Composite bag there are two general composite and three composite,composite bag general printing, printing in the middle of the two kinds of film, generally tear composite bag welding edge will appear two or three layer that is composite bag.Common bag is a layer of surface printing, printing can be scraped away with a knife,and composite bag scrape off. Composite bag, the price is expensive, common plasticbags cheap.