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[Chemical Knowledge]：Properties and Uses of Natural Rubber Raw Materials

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The nature and use
of natural rubber raw materials
1. introduction

natural rubber is an important chemical production raw materials, widely used in tires, hose, tape, rubber shoes, wire and cable manufacturing industry. It is made of latex secreted by rubber trees through coagulation, drying, processing and other processes. Understanding the properties and uses of natural rubber is of great significance for improving the production efficiency and product quality of chemical products.

2. The nature of natural rubber

1. Physical properties: Natural rubber is an elastic solid at room temperature, with high elasticity, and can stretch several times without breaking. Its density is about 0.91g/cm³, excellent electrical insulation, water resistance, acid and alkali resistance, salt solution corrosion resistance.
2. Chemical properties: Natural rubber molecules contain unsaturated double bonds, which are susceptible to aging due to oxygen, ozone, light, heat and other factors. At the same time, natural rubber also has good oil resistance, but it is easy to swell in polar solvents.

3. The use of natural rubber

1. Tire manufacturing: Natural rubber is the main raw material for tire manufacturing and is used to produce tread rubber and sidewall rubber. The tread rubber is required to have high abrasion resistance, cutting resistance and aging resistance; the sidewall rubber is required to have good elasticity and flex resistance.
2. Hose manufacturing: natural rubber can be used to make all kinds of oil pipes, gas pipes, water pipes and other hoses, requiring good oil resistance, acid and alkali resistance and aging resistance.
3. Tape manufacturing: Natural rubber can be used to make all kinds of transmission belts, conveyor belts and other tapes, requiring high strength and wear resistance.
4. Rubber shoes manufacturing: natural rubber is the main raw material for rubber shoes manufacturing, which requires good elasticity, air permeability and wear resistance.
5. Wire and cable manufacturing: Natural rubber can be used to make the sheath and insulation layer of wire and cable, which requires good electrical insulation and aging resistance.

4. the importance of natural rubber in chemical production

natural rubber has important application value in chemical production, which can improve product quality and production efficiency. First of all, natural rubber has good elasticity, wear resistance, oil resistance and aging resistance, which can improve the service life and safety of chemical products. Secondly, natural rubber has good processing performance and can be made into products of various shapes and specifications to meet different production needs. In addition, natural rubber has a wide range of sources and relatively low prices, which can reduce production costs and improve the economic benefits of enterprises.

5. conclusion

In short, natural rubber as an important chemical production raw material, has a wide range of applications. Understanding the properties and uses of natural rubber is of great significance for improving the production efficiency and product quality of chemical products. In the future development, we should continue to strengthen the research and application of natural rubber, continuously improve its application value and economic benefits, and make greater contributions to the development of chemical production.

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