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[Chemical Knowledge]：The nature and use of PE hollow

Read： 721 Time：13months ago Source：Transform the World with Simplicity

Polyethylene (PE) hollow materials have important properties and uses in the field of chemical production raw materials. This paper will introduce the nature, characteristics, production process, application field and development trend of PE hollow material in detail.

1. the properties of PE hollow material

Polyethylene (PE) is a thermoplastic with excellent electrical insulation, chemical resistance and low temperature toughness. PE hollow material is a hollow product made of polyethylene resin as the main raw material, through extrusion, blow molding and other processes. Because of its hollow structure, PE hollow material has the advantages of light weight, high strength and easy processing.

2. PE hollow material production process

PE hollow material production process mainly includes extrusion, blow molding, cooling, traction and other steps. First, a polyethylene resin is fed into an extruder, and the resin is melt-plasticized by heating and screw extrusion. Then, the molten resin is extruded into a tubular shape through a die while the tubular resin is inflated with compressed air to form a hollow structure. Next, the hollow material is cooled and shaped by cooling water or air. Finally, the PE hollow material after cooling and shaping is pulled out by the traction equipment to complete the production process.

3. the use of PE hollow material

PE hollow material has a wide range of uses in the field of chemical production raw materials, mainly used in the following aspects:

1. chemical container: PE hollow material can be used as a container for storage and transportation of chemical raw materials, such as storage tanks, tankers and so on. Because of its excellent chemical resistance and light weight, high strength and other characteristics, is widely used in the chemical industry.
2. Pipeline transportation: PE hollow material can be used as a pipeline for transporting chemical raw materials. It has excellent wear resistance, impact resistance and low temperature toughness, and can be used to transport various corrosive media.
3. Heat exchanger: PE hollow material can be used as the shell or pipe of the heat exchanger, which has good heat preservation performance and corrosion resistance, and can improve the heat exchange efficiency.

4. the development trend of PE hollow materials

With the continuous development of science and technology, PE hollow materials will be more and more widely used in the field of chemical production raw materials. In the future, PE hollow materials will develop in the direction of high performance, multi-function and environmental protection to meet the needs of different fields. At the same time, with the continuous improvement and optimization of the production process, the production cost of PE hollow materials will be further reduced and its market competitiveness will be improved.

In short, PE hollow materials have important properties and uses in the field of chemical production raw materials, and their future development prospects are broad.

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