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[Chemical Knowledge]：Properties and Uses of Plastic Products

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The nature and use
of plastic products in the field of raw materials for chemical production
1. Introduction

With the continuous development of science and technology, plastic products are more and more widely used in the field of raw materials for chemical production. Due to their unique properties, plastic products play an important role in many chemical processes. This article will discuss the nature and use of plastic products in detail.

2. The nature of plastic products

1. Lightweight and high strength: Plastic products have the characteristics of lightweight and high strength, and their density is usually between 0.9-2.0, which is lighter than most metals and ceramic materials. At the same time, some plastics have higher strength and rigidity and can be used to replace some traditional metal materials.
2. Chemical resistance: Many plastic products have excellent chemical resistance and can be used for a long time in various corrosive media without obvious chemical changes.
3. Good electrical insulation: plastic products have excellent electrical insulation properties and can be used to manufacture wire insulation, electrical accessories, etc.
4. Easy to process: plastic products can be processed by injection molding, extrusion, blow molding and other ways, convenient, and low cost.

3. the use of plastic products in the field of chemical production raw materials

1 containers and packaging: due to the light weight, high strength, chemical resistance and other properties of plastic products, so that it is widely used in chemical production containers and packaging materials, such as storage tanks, reactors, pipes, valves, etc.
2. Pipeline transportation: plastic products can be used to transport a variety of chemical media, such as acid, alkali, salt solution, organic solvents, etc., with corrosion resistance, light, easy to install and so on.
3. Electrical equipment: plastic products have good electrical insulation and can be used to manufacture electrical accessories, such as switches, sockets, wire insulation, etc.
4. Filters and filter elements: Plastic products have good filtration performance and can be used to make filters and filter elements for filtration and separation in the chemical production process.

4. Case Analysis

Take a chemical plant as an example, the plant produces a strong corrosive chemicals, need to use corrosion-resistant containers and pipes for production and transportation. After comparing a variety of materials, the final choice of polytetrafluoroethylene (PTFE) plastic products as the material of the container and pipe. Because PTFE has excellent chemical corrosion resistance, it can be used for a long time in corrosive media such as strong acid and strong alkali, so it can meet the production needs of the chemical plant. At the same time, PTFE also has the advantages of light weight, high strength and good electrical insulation, which makes the production process of the chemical plant safer and more efficient.

5. conclusion

plastic products have a broad prospect in the field of chemical production raw materials, and its unique properties make plastic products play an important role in many chemical processes. In the future, with the continuous progress of science and technology, the performance and application of plastic products will continue to expand.

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