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[Chemical Knowledge]：Ethylene Tar-Properties and Uses of the Start-up Material

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The nature and use
of ethylene tar-starting material in the field of chemical production raw materials
Ethylene tar-starting material is an important chemical raw material, widely used in various fields. This paper will introduce the properties, production methods, quality standards, safety and application fields of ethylene tar-starting materials in detail.

1. the properties of ethylene tar-starting material

Ethylene tar-starting material is a viscous, black liquid, mainly composed of hydrocarbons, with high aromaticity and complexity. Its properties mainly depend on the quality of raw material ethylene tar and production process. Generally speaking, ethylene tar-starting materials have the following properties:

1. High viscosity: The viscosity of ethylene tar-starting materials is relatively large, usually between hundreds and thousands of centistokes, which makes it in some specific applications It has good lubricity and sealing.
2. High aromaticity: Ethylene tar-drive material is rich in aromatic hydrocarbons, which makes it have a strong odor and corrosive.
3. Thermal stability: Ethylene tar-starting material has good thermal stability and can be used at high temperatures.
4. Good compatibility: Ethylene tar-starting materials have good compatibility with many organic solvents and polymers, and can be widely used in various chemical products.

2. ethylene tar-starting material production method

ethylene tar-starting material production method has two main types: one is obtained by deep processing of ethylene tar, a by-product of ethylene cracking unit; the other is obtained by distillation of coal tar. The ethylene tar-starting materials obtained by the two production methods are slightly different in properties and uses.

3. Ethylene Tar-Start-up Material Quality Standard

Ethylene Tar-Start-up Material Quality Standard mainly includes viscosity, density, aromatic hydrocarbon content, moisture, ash and other indicators. Ethylene tar-starting materials for different uses have different requirements for quality indicators. Generally speaking, ethylene tar used for lubrication and sealing-driving materials have higher requirements for viscosity and aromatic hydrocarbon content, while ethylene tar used for fuel and chemical raw materials-driving materials have certain requirements for density and moisture.

4. Ethylene Tar-the safety
of the driving material
Ethylene Tar-the driving material has a certain toxicity and corrosiveness, long-term exposure or inhalation will have a certain impact on human health. Therefore, it is necessary to pay attention to safety during use and avoid direct contact and inhalation. At the same time, ethylene tar-driving materials also need to be stored in a cool, dry, ventilated place, avoid direct sunlight and high temperature.

5. Ethylene tar-driving material application field

Ethylene tar-driving material is widely used in various fields, mainly including the following aspects:

1. Fuel: Ethylene tar-driving material can be used as fuel for boilers and kilns and other thermal equipment, with high calorific value and combustion stability.
2. Chemical raw materials: Ethylene tar-driving materials can be used as chemical raw materials for the production of various rubber, plastics, coatings, inks and other products, with rich aromatic hydrocarbon structure and good compatibility.
3. Lubrication and sealing: Ethylene tar-driving material has good lubricity and sealing, and can be used for lubrication and sealing of various mechanical equipment.

In short, ethylene tar-starting material as an important chemical raw material, in various fields have a wide range of applications. It is necessary to pay attention to safety and quality standards during use to ensure the reliability and stability of the product.

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