How to distinguish silicon metals-553/441/3303?

How to distinguish silicon metals-553/441/3303?

Silicon metal 553, 441, 3303 are three different specifications of silicon metal materials, their differences are mainly reflected in the following aspects:

1. Chemical composition: The chemical composition of metal silicon 553, 441, 3303 is different, of which 553 has the highest silicon content, reaching about 98.5%; The silicon content of 441 is about 99%; The silicon content of 3303 is about 97%.

2. Physical properties: Due to the different chemical composition, the physical properties of metal silicon 553, 441, 3303 are also different. For example, the crystal structure of 553 is relatively stable and the coefficient of thermal expansion is small; However, 441 has higher electrical conductivity and thermal conductivity. 3303 has better corrosion resistance.

3. Use: Due to its different physical properties, metal silicon 553, 441, 3303 in industrial production uses are also different. For example, 553 is mainly used for metallurgical raw materials in the casting industry; 441 is widely used in electronic, photoelectric, semiconductor and other fields; 3303 is mainly used in chemical industry, building materials and other fields. In short, although metal silicon 553, 441, 3303 are metal silicon materials, but their chemical composition, physical properties and uses are different, the user should choose according to the specific needs.

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