Silicon Metal CAS:7440-21-3

Silicon metal (CAS No. 7440-21-3), also known as industrial silicon, is a gray or dark gray solid in block or granular form with a metallic luster. Its chemical formula is Si. It is an important semiconductor material and industrial raw material, possessing characteristics such as high hardness, high temperature resistance, and electrical conductivity between that of metals and insulators. It is widely used in metallurgy, electronics, and chemical industries.

- Metallurgy: As an alloy additive, it is used in the production of aluminum-silicon alloys, silicon steel, and magnesium-silicon alloys, improving the strength, hardness, wear resistance, and corrosion resistance of the alloys. It is widely used in automotive parts, aerospace materials, etc.

- Electronics and Semiconductor Fields: High-purity silicon metal can be used to produce single-crystal silicon and polycrystalline silicon, which are core raw materials for electronic components such as chips, integrated circuits, and solar cells, ensuring the conductive and photoelectric conversion performance of electronic devices.

- Chemical Industry: Used in the production of organosilicon compounds (such as silicone rubber, silicone oil, and silicone resin), these products have characteristics such as high temperature resistance, aging resistance, and water resistance, making them suitable for applications such as sealants, coatings, and daily chemical products; it can also be used to prepare silicon-based ceramic materials.

- Other Fields: Used in the production of refractory materials and abrasives, improving the high-temperature resistance and wear resistance of materials; it can also be used as a key raw material for photovoltaic modules in the photovoltaic industry, contributing to the development of clean energy.

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