What Is Industrial Silicon Powder?

Apr 01, 2025

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What is industrial silicon powder?
Industrial silicon powder, also known as metallic silicon powder, is a silver-gray or dark gray powder with a metallic luster. It has a high melting point, good heat resistance, high resistivity and high oxidation resistance. It is called "industrial MSG" and is an indispensable basic raw material for many high-tech industries.
1. Industrial silicon powder is widely used in refractory and powder metallurgy industries to improve the high temperature resistance, wear resistance and oxidation resistance of products. Its products are widely used in steelmaking furnaces, kilns and kiln tools.
2. In the organosilicon chemical industry, industrial silicon powder is the basic raw material for synthesizing organosilicon polymers, such as producing organosilicon monomers, silicone oils, silicone rubber preservatives, etc., thereby improving the product's high temperature resistance, electrical insulation, corrosion resistance, water resistance and other properties.
3. Industrial silicon powder is pulled into single crystal silicon, and the processed silicon wafers are widely used in high-tech fields and are the raw materials for integrated circuits and electronic components.
4. In the metallurgical casting industry, industrial silicon powder is used as a non-ferrous alloy additive and silicon steel alloying agent to improve the hardenability of steel. Industrial silicon powder can also be used as a reducing agent for certain metals, new ceramic alloys, etc.
ZhenAn New Materials Co., Ltd. is a comprehensive enterprise integrating the production, processing and sales of metallic silicon, metallic silicon powder, microsilicon powder and silica sol. In line with the principle of "quality assurance, customer first", the company has contracted three submerged arc furnaces for smelting metallic silicon blocks and recovering microsilicon powder all year round, and used silicon products from Xinjiang, Yunnan and other places as raw materials to process and produce metallic silicon powder (granules) of various sizes and grades. The products mainly serve the steel industry, electronics industry, non-ferrous metals, refractory materials and other industries.

 

   

Silicon powder Size

(mesh)
Chemical Composition %
Si Fe Al Ca
Chemical
silicon powder
Si-(20-100 mesh)
Si-(30-120 mesh)
Si-(40-160 mesh)
Si-(100-200 mesh)
Si-(45-325 mesh)
Si-(50-500 mesh)
99.6 0.2 0.15 0.05
99.2 0.4 0.2 0.1
99.0 0.4 0.4 0.2
98.5 0.5 0.5 0.3
98.0 0.6 0.5 0.3
Silicon powder for refractory -150 mesh
-200 mesh
-325 mesh
-400 mesh
-600mesh
99.6 0.2 0.15 0.05
99.2 0.4 0.2 0.1
99.0 0.4 0.4 0.2
98.5 0.5 0.3 0.2
98.0 0.6 0.5 0.3
Low-grade -200 mesh
-325 mesh
95-97 Impurity content≤3.0%


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