Classification of bags

　　According to the production process is often divided into plastic packaging bags, composite packaging bags.

　　According to the production of raw materials: high pressure polyethylene plastic bags, low pressure polyethylene plastic bags, polypropylene plastic bags, PVC plastic bags and so on.

　　Classification according to appearance: vest bag, straight tube bag, stereo bag, square bottom bag. Sealing pocket, rubber strip bag, shaped bag, etc.

　　Plastic bags include plastic woven bags and plastic film bags. The former has the characteristics of light weight, high strength, corrosion resistance and so on. After adding plastic film lining, it can be moisture-proof and moisture-proof. The weight of light bag is below 2.5kg, the weight of medium bag is 25-50kg, and the weight of heavy bag is 50-100kg. The lightweight bag of the latter is more than 1kg; Medium bag carrying weight 1-10kg; Heavy bag carrying capacity 10-30kg; The load of container bag is more than 1000kg.

　　The raw material of plastic film bag is polyethylene. It is true that plastic bags have brought convenience to our life, but this temporary convenience has brought long-term harm.

　　According to the production of raw materials: high pressure polyethylene plastic bags, low pressure polyethylene plastic bags, polypropylene plastic bags, PVC plastic bags and so on.

　　Classification according to appearance: vest bag, straight tube bag, stereo bag, square bottom bag. Sealing pocket, rubber strip bag, shaped bag, etc.

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