Products Parameters
| 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 |
|
95-97 | Impurity content≤3.0% | ||||||
Products Description
Metal silicon powder, also known as industrial silicon powder, is a powdered silicon powder obtained by grinding metal silicon (or crystalline silicon, industrial silicon). This powder plays an important role in many industrial fields due to its unique physical and chemical properties. Metal silicon powder is usually silver-gray or black and has a metallic luster. Metal silicon powder has an extremely high melting point and good heat resistance, and can remain stable in high temperature environments. Metal silicon powder has a high antioxidant effect and is not easily oxidized. Metal silicon powder is a semiconductor material with a high resistivity.
There are many methods for producing metallic silicon powder, including the silane method, the DuPont method (silicon zinc tetrachloride reduction method), the Bell method (silicon tetrachloride hydrogen reduction method), the Siemens method (trichlorosilane hydrogen reduction method), etc. These methods have their own advantages and disadvantages, but they can all effectively produce high-purity metallic silicon powder.
With the development of global industry and the advancement of technology, the application fields of metal silicon powder will continue to expand. Especially in the fields of new energy, new materials, and electronic industry, the market demand for metal silicon powder will continue to grow. At the same time, with the continuous advancement of production technology and the reduction of costs, the market competitiveness of metal silicon powder will also be further enhanced.
Metal silicon powder has a wide range of applications in multiple industrial fields due to its unique properties: Metal silicon powder is used to manufacture refractory bricks and castables to improve their high temperature resistance and wear resistance. At the same time, as an additive, metal silicon powder can improve the performance of alloys and increase the strength and toughness of products. In the synthesis of organosilicon compounds, metal silicon powder is a key raw material. It is widely used in the production of organosilicon products such as silicone rubber, silicone oil, and silane coupling agents, which have the characteristics of high temperature resistance, electrical insulation, corrosion resistance, and water resistance. As a non-ferrous alloy additive and silicon steel alloying agent, metal silicon powder can improve the hardenability of steel and improve the performance of steel. High-purity metal silicon powder is a key material for semiconductor devices and solar cells. With the development of the electronics industry, the demand for metal silicon powder is also increasing. Metal silicon powder can also be used as a reducing agent for certain metals and new ceramic alloys, playing an important role in the synthesis and preparation of materials.
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