Products Parameters
| Silicon powder | Specification |
Min. Si content |
Chemical composition% | ||
| Max impurity content | |||||
| Fe | Al | Ca | |||
| Silicon powder for chemical egineering | Si- (20-120 mesh) | 99.0 | 0.4 | 0.4 | 0.1 |
| Si- (30-140 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
| Si- (40-160 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
| Si- (40-280 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
| Si- (40-325 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
| Silicon powder for refractory material | 150 mesh | 98.5 | 0.5 | 0.5 | 0.3 |
| 200 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
| 325 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
| 400 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
| 500 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
|
Low grade silicon powder |
200 mesh 325 mesh |
97 | Impurity contents≤3.0% | ||
| Product: 553#, 521#, 421#, 3303# Particle size: 20-160mesh, 30-270mesh, 45-710um,200mesh and 325mesh,etc. | |||||

Products Description
Metal silicon powder, as an important inorganic non-metallic material, has shown a wide range of application prospects in many fields due to its unique physical and chemical properties. Metal silicon powder, mainly composed of high-purity silicon element, is gray or silvery white powder. It has the characteristics of high melting point, high hardness, good electrical conductivity and thermal conductivity. In addition, metal silicon powder also shows excellent chemical stability and can withstand the erosion of various acids, alkalis and organic solvents.

Metal silicon powder is one of the key materials in the manufacture of solar cells. Through specific process treatment, metal silicon powder can be converted into high-efficiency solar panels, providing important support for the field of renewable energy. In the semiconductor industry, metal silicon powder is used as a basic material for the manufacture of integrated circuits and chips. Its high purity and good conductivity make metal silicon powder an indispensable part of semiconductor manufacturing. Metal silicon powder is also widely used in the metallurgical industry as a reducing agent and alloy additive for the production of alloy products such as ferrosilicon and silicon manganese to improve the strength and corrosion resistance of metals. In the chemical industry, metal silicon powder is used as a raw material for the production of polymer materials such as silicone rubber and silicone resin, which are widely used in sealing, bonding, coatings, etc.

With the advancement of science and technology and the improvement of environmental awareness, the application field of metal silicon powder will continue to expand. On the one hand, with the continuous development of solar cells and semiconductor technology, the demand for metal silicon powder will continue to grow; on the other hand, the application of metal silicon powder in green industries such as environmental protection and energy conservation will gradually increase. In addition, the preparation technology of metal silicon powder will continue to innovate. Although traditional preparation methods such as carbon thermal reduction and electrolysis have the advantages of low cost and high output, they have problems such as high energy consumption and environmental pollution. Therefore, the development of more environmentally friendly and efficient metal silicon powder preparation technology will become the focus of future research.

As an important inorganic non-metallic material, metal silicon powder has shown a wide range of application prospects in many fields such as solar cells, semiconductor materials, metallurgical industry and chemical industry. With the advancement of science and technology and the improvement of environmental awareness, the application field of metal silicon powder will continue to expand and the preparation technology will continue to innovate.
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