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[Chemical Knowledge]：What are the upstream raw materials for construction asphalt? What are the downstream products?

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Construction asphalt plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are also quite rich. This article will detail the upstream and downstream associated products of construction asphalt.

upstream products

1. Crude oil: The main raw material upstream of construction asphalt is crude oil. Crude oil after distillation, cracking and other processes, you can get a variety of petroleum products, including construction asphalt.
2. Natural gas: Part of the production process of construction asphalt requires the use of natural gas as a heating and burning fuel, so natural gas is also one of the upstream products of construction asphalt.

downstream products

1. Waterproof materials: construction asphalt can be used as the basic raw material of waterproof materials, mixed with polymers, rubber and other materials, made of waterproof coiled materials, waterproof coatings and other waterproof materials.
2. Pavement material: after mixing construction asphalt with gravel, mineral powder and other materials, it can be used to lay road surface and make asphalt concrete pavement, which has excellent road performance.
3. Architectural coatings: Architectural asphalt can also be used as part of the raw materials of architectural coatings, mixed with other pigments, fillers, etc. to make architectural coatings for the protection and decoration of buildings.

Through the above introduction, it can be seen that the upstream and downstream related products of construction asphalt are quite rich, and the fields involved are also very extensive. At the same time, environmental protection, energy saving and other factors need to be taken into account in the production and processing of construction asphalt to promote the sustainable development of the industry.

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