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[Chemical Knowledge]：What are the upstream raw materials for coating bitumen? What are the downstream products?

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Coated asphalt has an important position in the field of chemical production raw materials, and its upstream and downstream related products are extensive. The following describes in detail the upstream and downstream associated products of coated asphalt.

Upstream Related Products:

1. Crude Oil: The raw material of coated asphalt mainly comes from crude oil. Crude oil through distillation, cracking and other processes, can be obtained from a variety of different fractions of oil, including heavy oil for the production of coated asphalt.
2. Petroleum coke: Petroleum coke is a by-product of crude oil processing, mainly used in the production of coated asphalt. Petroleum coke has high carbon content and good thermal stability, which is an important raw material for coating asphalt.

downstream related products:

1. Carbon products: coated asphalt can be used as raw materials for carbon products, such as electrodes, anode paste, carbon blocks, etc. Coated asphalt is pyrolyzed at high temperature, and the formed carbon layer has good conductivity and thermal stability, which is an important raw material for the manufacture of carbon products.
2. Needle coke: Needle coke is a high quality carbon material, mainly used in the manufacture of high-power electrodes. Coated asphalt can be used as the raw material of needle coke, and needle coke with excellent performance can be obtained through special process treatment.
3. Carbon fiber: Coated pitch can also be used to produce carbon fiber. Carbon fiber has the advantages of high strength, high modulus and light weight, and is widely used in aerospace, automotive, new energy and other fields.
4. Waterproofing membrane: coated asphalt can be used as the raw material of waterproofing membrane, mixed with other polymers and fillers to make waterproofing membrane, which is used for waterproofing engineering of buildings.

summary:

coated asphalt has a wide range of applications in the field of chemical production raw materials, its upstream and downstream related products cover carbon products, needle coke, carbon fiber, waterproof membrane and other fields. With the continuous development of science and technology, the application field of coated asphalt will be further expanded, which will inject new vitality into the development of chemical industry.

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