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Introduce you to the types and materials of plastic bags:

There are many kinds of plastic bag materials, including polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET) and so on.

Among them, polyethylene (PE) plastic bag is one of the most common plastic bags, its material light and transparent, with moisture, oxygen, acid, alkali resistance, heat resistance and other excellent properties, usually used to pack cakes, candy and other food and daily chemical supplies. Polyethylene plastic bags can be divided into high pressure polyethylene and low pressure polyethylene, high pressure polyethylene is also called low density polyethylene (LDPE), and low pressure polyethylene is also called high density polyethylene (HDPE).

There are also different kinds of plastic bags such as transparent ziplock bags, point-break storage bags and transparent self-adhesive bags. Although these plastic bags are made of the safest materials, such as high density polyethylene (HDPE), low density polyethylene (LDPE) and polypropylene (PP), their performance and application scenarios are different.

The types and materials of plastic bags are very diverse, and different plastic bags have different performance and application scenarios. When choosing and using plastic bags, the choice should be made according to the actual needs and uses, and pay attention to environmental protection and safety issues.