Do you know what the PE bag is?

PE, also known as polyethylene, is a thermoplastic resin made by polymerization of ethylene, and some of it is also obtained through ethylene and a small amount α- Copolymers obtained from olefin polymerization. And PE bag is a plastic bag made mainly of PE and some other materials. PE bags have a very wide range of applications in our daily lives, such as packaging for luggage, electronic products, clothing, etc.

Benefit by the excellent properties of polyethylene, PE bags also have many advantages, such as excellent resistance to acid and alkali corrosion (excluding acids with oxidizing properties), good adaptability to low temperature environments, water resistance and insulation, and good chemical stability, thus having a long service life. Of course, PE also has some drawbacks, which are reflected in PE bags, such as being sensitive to environmental stress, being exposed to high temperatures and prone to aging. In addition, due to the different molecular structures and densities of polyethylene, these PE bags made of different polyethylene materials also have different properties.

There are various types of PE bags, which can be divided into different types according to different methods. For example, if divided by material, there are LDPE bags, HDPE bags, etc. If divided according to different production processes, there are PE flat bags, punched tote bags, chain clip bags, self sealing bags, hand held tote bags, etc. In addition, PE film is also a type of PE bag. In our daily life, if we want to keep food fresh, we should choose PE film instead of another type of PVC film, because PE film is more safe for the human body.

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