According to the production process is often divided into plastic packaging bags, composite packaging bags.
According to the production of raw materials classification: high-pressure polyethylene plastic bags, low-pressure polyethylene plastic bags, polypropylene plastic bags, PVC plastic bags. Classification by Form: vest bag, straight tube bag, three-dimensional bag, square bottom bag.
Sealing pockets, plastic strip bags, irregular bags and so on. Plastic packaging bags include plastic woven bags and film bags. The former has the characteristics of light weight, high strength, corrosion resistance and so on, after adding the plastic film lining, it can be moisture-proof and moisture-proof, light bag weight under 2.5kg, medium bag weight in 25-50kg, heavy bag load 50-100kg.
The latter of the light bag weight of more than 1kg, medium bag weight 1-10kg, heavy bag load 10-30kg, bag load 1000kg or more.