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[Chemical Knowledge]：Properties and Uses of PVC

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PVC (polyvinyl chloride) is a widely used chemical production raw material, with unique properties and a wide range of uses. This article will detail the properties and uses of PVC.

1. the properties of PVC

1. Physical properties
PVC is a colorless, odorless, non-toxic plastic material with high density and hardness. It has good acid, alkali and corrosion resistance, and can be used in many harsh environments. In addition, PVC also has excellent electrical insulation properties, is widely used in the manufacture of wire and cable.

2. chemical properties
PVC has good stability, and has good resistance to chemicals such as oxidants, reducing agents and strong acids and alkalis. However, under high temperature and ultraviolet irradiation, PVC will degrade and produce hydrogen chloride gas, resulting in discoloration and performance degradation of the material.

2. the use of PVC

1.
PVC in the construction field has a wide range of applications, such as pipes, doors and windows, wall panels, floors, etc. Because PVC has excellent corrosion resistance and long service life, it is widely used in building water supply and drainage systems, HVAC systems and other fields.

2.
in the field of wire and cable PVC has excellent electrical insulation properties and is widely used in the manufacture of wire and cable. It can protect the wire from the external environment and improve the service life of the wire.

3.
in the field of packaging PVC as a packaging material, is widely used in the packaging of various products, such as cosmetics, food and so on. Because of its good transparency and toughness, it can improve the appearance quality and protection performance of the product.

4.
in the field of medical devices PVC also has a wide range of applications in the field of medical devices, such as infusion tubes, breathing masks, etc. Because of its good biocompatibility and corrosion resistance, it is widely used in the manufacture of medical equipment.

In short, PVC, as a widely used chemical production raw material, has unique properties and a wide range of uses. It is widely used in construction, wire and cable, packaging, medical equipment and other fields, and has made important contributions to improve the quality and performance of products.

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