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Metallic silicon is an important chemical raw material with the following properties:
Physical properties: Metallic silicon is a gray white solid with a metallic luster. It is a good conductor of electricity and heat.
Chemical properties: Metallic silicon reacts with oxygen to form silicon dioxide. It can also react with non-metallic elements, such as halogens and acids.
The use of metallic silicon:
Metallurgical industry: Metallic silicon is widely used in the metallurgical industry, such as in the production process of cast iron and steel, to improve its corrosion resistance and mechanical properties.
Optoelectronic industry: Metallic silicon is an important raw material for solar cells and can be used to manufacture solar panels.
Semiconductor industry: Metallic silicon is one of the main components of semiconductor materials, used to manufacture electronic devices such as integrated circuits, transistors, etc.
The production method of metallic silicon:
There are various methods for producing metallic silicon, mainly including silicon refining and electrolysis.
Silicon refining method: Metal silicon is produced by the reaction of high-temperature reduction of silicon dioxide and carbon. This method requires high temperature and energy consumption, but has a large production scale.
Electrolysis method: Gas containing is reduced by electrolysis to produce metallic silicon. This method is relatively energy-saving, but requires high technical conditions.
Safety information for metallic silicon:
Metallic silicon itself is non-toxic to the human body, but during the processing, it produces fine silicon dust that can irritate the respiratory tract. When operating silicon metal, appropriate protective equipment such as masks, gloves, and eye protection should be worn.
In addition, metallic silicon reacts with oxygen in the air to produce flammable gases. During storage and transportation, it is important to avoid contact with sources of fire or oxidants.
purpose
Mainly used for semiconductors, alloys, and organic silicon polymer materials. High purity monocrystalline silicon is an important semiconductor material. Used as materials for diodes, transistors, thyristors, and various integrated circuits. It is also a promising material in the development of energy, which can be used to manufacture solar cells, etc. Mixing and sintering ceramics and metals to produce metal ceramic composite materials, which are resistant to high temperatures, have high toughness, can be cut, and combine the advantages of metals and ceramics. They are important materials for metal ceramics and space travel. High transparency glass fiber made from pure silica has a high capacity for optical fiber communication, is not affected by electrical or magnetic interference, and has high confidentiality, making it suitable for optical fiber communication. Silicon organic compounds have been widely used as plastics, coatings, etc.help 
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