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[Chemical Knowledge]：What are the upstream raw materials for silicon metal? What do the downstream products contain?

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Silicon metal plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. This article will detail the upstream and downstream related products of metal silicon, including upstream raw materials, downstream products and related chemicals.

1. the upstream raw material of metal silicon

The production of metal silicon mainly uses quartz sand, coke, sawdust, etc. as raw materials, which are smelted by electric furnaces. Among them, quartz sand is the main source of silicon, coke as a reducing agent, sawdust is used as a filling agent for the burden. The quality and purity of these raw materials have an important influence on the production and quality of silicon metal.

2. metal silicon downstream products

1. Ferrosilicon alloy: metal silicon and iron alloy, can produce ferrosilicon alloy, widely used in the iron and steel industry deoxidizer and alloying agent, in order to improve the strength and hardness of steel.
2. Silicone: Metal silicon can be used as an important raw material for the production of silicone. Silicone has excellent high temperature resistance, oxidation resistance, corrosion resistance and other properties, and is widely used in sealing, lubrication, coating and other fields.
3. Polysilicon: Metal silicon can be purified to produce polysilicon, which is the main raw material for solar cells and is of great significance to the development of renewable energy.
4. Silicone rubber: Metal silicon can be used to produce silicone rubber. Silicone rubber has the advantages of high temperature resistance, oxidation resistance, and good insulation. It is widely used in aerospace, automotive electronics and other fields.

3.-related chemicals

1. silicate: metal silicon can react with alumina, magnesium oxide, etc. to generate silicate, silicate can be used as an important raw material for inorganic non-metallic materials such as ceramics and glass.
2. Silane coupling agent: metal silicon can react with methyl chloride, ethyl chloride, etc. to generate silane coupling agent. Silane coupling agent can improve the interfacial bonding performance between inorganic materials and organic materials, and is widely used in composite materials, coatings and other fields.

In summary, metal silicon in the field of chemical production raw materials in the upstream and downstream related products are extensive, for the promotion of the development of the chemical industry is of great significance.

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