Best Price Silicon Metal for sale

Metallic silicon, also known as crystalline silicon or industrial silicon, and it is mainly used as an additive for non-iron-based alloys. The content of silicon in metallic silicon is about 98%, which is a product smelted by Shi Ying and coke in an electric heating furnace, and the rest impurities are iron, aluminum, calcium and so on.

Silicon metal is usually classified according to the content of iron, aluminum and calcium. According to the different percentages of iron, aluminum and calcium in silicon metal, silicon metal can be divided into different brands such as 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501 and 1101. The required content of metallic silicon 553 is 0.5% iron, 0.5% aluminum and 0.3% calcium. In terms of content, the silicon content in metallic silicon should be as high as 98.5%. Metal silicon is also called industry, and its appearance is related to the rise of semiconductor industry. Semiconductor silicon can be used to make high-purity metallic silicon of semiconductor devices.

The electrical conductivity of silicon is closely related to its temperature, which reaches the maximum at about 1480℃, and decreases with the increase of temperature when the temperature exceeds 1600℃. The silicon additive prepared by metal silicon 553 has a faster melting speed compared with the existing instant silicon, which reduces the melting time and produces no smoke during use. 

Silicon is one of the semi-metals, and its properties are similar to those of germanium, lead and tin, and it has semiconductor properties. Insoluble in acid and soluble in alkali at room temperature. Silicon is used as reducing agent in many kinds of metal smelting. The addition of silicon can improve the casting performance and corrosion resistance of aluminum alloy to some extent. Shi Ying is the raw material of metallic silicon, while Shi Ying has poor quality and excellent quality, and carbon as reducing agent also has poor quality and excellent quality, so the difference of these raw materials determines the purity of metallic silicon.

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