Uses Of Silicon Metal 200mesh
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Uses of Metal Silicon 200mesh
The classification of Metal Silicon 200mesh is usually based on the content of the three main impurities of iron, aluminum and calcium contained in the metal silicon composition. According to the content of iron, aluminum and calcium in metal silicon, metal silicon can be divided into different grades such as 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101, etc.
In industry, metal silicon is usually made by reducing silicon dioxide with carbon in an electric furnace. Chemical reaction equation: SiO2+2C→Si+2CO The purity of silicon obtained in this way is 97~98%, which is called metal silicon. It is melted and recrystallized, and impurities are removed with acid to obtain metal silicon with a purity of 99.7-99.8%.
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