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[Chemical Knowledge]：Properties and Uses of Construction Asphalt

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The nature and use
of construction asphalt
1. Introduction

Construction asphalt is a material widely used in the field of chemical production raw materials, with unique physical and chemical properties. It is mainly composed of carbon and hydrogen, usually extracted from petroleum or coal. The viscosity, water resistance, corrosion resistance, wear resistance and plasticity of building asphalt play an important role in many projects. This article will discuss the nature and use of construction asphalt in detail.

2. the properties of construction asphalt

1. Viscosity: Construction asphalt has high viscosity, which allows it to effectively resist flow and maintain its shape and structure. This property makes asphalt an ideal waterproof material that prevents moisture penetration.
2. Waterproof: Due to the viscosity of asphalt and the repellency to moisture, it has good waterproof performance. Therefore, in construction, asphalt is widely used in the manufacture of waterproof materials.
3. Corrosion resistance: Asphalt has good corrosion resistance to many chemicals and can remain stable in some corrosive environments.
4. Wear resistance: Asphalt has good wear resistance and can withstand mechanical wear, so it is often used in the manufacture of wear-resistant materials.
5. Plasticity: At high temperatures, asphalt has plasticity and can be molded into various shapes. This property makes asphalt widely used in pavement and other projects.
The use of
3. construction asphalt

1. Waterproof material: Due to the waterproof nature of asphalt, it is widely used in the manufacture of waterproof materials, such as waterproof membranes, waterproof coatings, etc. These materials are used in construction works to prevent moisture penetration and protect the structure of the building.
2. Pavement: Asphalt plays an important role in pavement construction. It can be mixed with crushed stone, mineral powder and other materials to make asphalt concrete for paving road pavement. Asphalt pavement has high flatness, comfortable driving and convenient maintenance, so it is widely used in road construction.
3. Building materials: Asphalt can be used as building materials for the manufacture of some components needed in construction projects, such as prefabricated panels, pipes, etc. These members have good durability and waterproofness.
4. Anti-corrosion materials: The corrosion resistance of asphalt makes it can be used as an anti-corrosion material to protect steel structures from corrosion. In some chemical equipment and pipelines, asphalt coating is widely used to prevent chemical corrosion.

4. conclusion

construction asphalt as an important chemical raw material, has unique physical and chemical properties, so it is widely used in waterproof materials, pavement, building materials and anti-corrosion materials. With the continuous development of science and technology, the nature and use of building asphalt will be further expanded and optimized, bringing more contributions to the field of chemical production.

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