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[Chemical Knowledge]：Properties and Uses of Silica Powder

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Silicon powder is an important raw material for chemical production, which is widely used in various industrial fields. This article will detail the nature and use of silicon powder.

1. the nature of silica powder

silica powder is a natural quartz ore or fused quartz through crushing, ball milling, flotation, pickling, purification, high purity water treatment and other multi-channel processing of micro powder. Silicon powder has the following properties:

1. High purity: The purity of silicon powder can reach more than 99.9%, does not contain harmful impurities, and can ensure the quality and performance of the product.

2. Ultrafine particle size: The particle size of silica powder is generally between a few microns and tens of microns, with a great specific surface area and activity, which can enhance the filling effect and chemical reaction activity.

3. Good fluidity: Silica powder has good fluidity, easy to transport and use.

4. Stable physical and chemical properties: Silica powder has stable physical and chemical properties and can maintain stable performance in various environments.

2. the use of silica powder

silica powder as an important chemical raw material, has the following wide range of uses:

1. filler: silica powder can be used as a filler added to plastics, rubber, coatings and other polymer materials, improve the hardness of the material, wear resistance, heat resistance, dimensional stability and other properties.

2. Functional materials: Silicon powder can be used as functional materials in electronics, optoelectronics, aerospace and other fields, such as the production of high-performance ceramics, capacitors, sensors, etc.

3. Grinding and polishing agent: Silicon powder can be used as a grinding and polishing agent for surface processing of various materials, such as glass, ceramics, gems, etc.

4. catalyst carrier: silicon powder can be used as a catalyst carrier to improve the activity and selectivity of the catalyst, which can be used in petrochemical, environmental protection and other fields.

In short, silicon powder as an important raw material for chemical production has a wide range of applications. In the future development, with the continuous progress of science and technology and the deepening of application, the application field of silicon powder will be more extensive.

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