Packaging bag refers to a bag used to pack various supplies, so that the goods are convenient to transport and easy to store in the production and circulation process. It is widely used in daily life and industrial production. The actual figures show that 80% of the used plastic bags are eventually transported to the garbage dumping area like general garbage, and only 7% of the plastics are recycled for recycling.
Classification
According to the production process, it is often divided into plastic packaging bags and composite packaging bags.
Classified by production materials: high-pressure polyethylene plastic bags, low-pressure polyethylene plastic bags, polypropylene plastic bags, polyvinyl chloride plastic bags, etc.
Classified by shape: T-shirt bag, straight bag, three-dimensional bag, square bottom bag. Sealed bags, plastic strip bags, special-shaped bags, etc.
Plastic packaging bags include plastic woven bags and plastic film bags. The former has the characteristics of light weight, high strength, corrosion resistance, etc. After adding the plastic film lining, it can be moisture-proof and moisture-proof; the weight of light bags is under 2.5kg, the weight of medium bags is 25-50kg, and the weight of heavy bags is 50-100kg. The latter's light bag has a load capacity of 1kg or more; a medium bag has a load of 1-10kg; a heavy bag has a load of 10-30kg; and a container bag has a load of 1000kg or more.
