packaging containers in the packaging container side, the original packaging cosmetic containers are glass bottles followed by plastic, then a PET bottle, and now rigid PET bottle has been carbonated drinks and non-carbonated beverages the largest packaging material, and in 1991 the United States accounted for 26.5% of beverage containers, glass bottles by 28.9% in 1981 down to 19.5%, aluminum cans

39%. And plastic bottles at an annual growth rate of more than 3% of rapid growth. To be sure, even in the plastic packaging industry, most countries have been blamed. Plastic packaging materials other than the still much faster in not of the development, because many properties of the plastic is any other a packaging material can not be replaced. At the same time the plastic packaging industry has occupied the sales package in the field, has been developed to transport packaging, will eventually force the still metal-based "transport packaging", mainly plastic replaced. Classification and properties of the plastic bags can be divided according to material OPP, CPP, PP, PE, PVA, EVA, composite bags, co-extruded bags. OPP Plastic Bag: Characteristics: hard, after pulling the same. Can not stretch (two-way pull stretch) single-chip fold, edge seal welding, the longest length should not exceed 640m / m. Monolithic long 1.28M, width 0.6M. Advantages: good transparency. Disadvantages: easy to tear the seal on both sides. PP Plastic Bag: Polypropylene Polypropylene Features: hardness inferior to OPP, stretchable (bidirectional stretching) after pulling into a triangle, bottom seal or side seal (envelope bag), tube material.

Factory price in Custom Plastic Water Bottle, Plastic Bottle Cap Manufacturers contact us at www.plastic-bottle-manufacturers.com