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High-purity metallic silicon powder is also called metallic silicon powder

High-purity metallic silicon powder is also called metallic silicon powder


High-purity metallic silicon powder is also called metallic silicon powder, which is a powdered product made by grinding industrial silicon. The main use of industrial silicon powder is as an additive for non-ferrous alloys. Industrial silicon is also used as an alloying agent for high-demand silicon steel and a deoxidizer for smelting special steels and non-ferrous alloys. The main component of industrial silicon powder is silicon, so it has similar properties to silicon. The properties of industrial silicon are similar to those of germanium, lead, and tin, and it has semiconductor properties. Industrial silicon is usually classified according to the content of the three main impurities of iron, aluminum, and calcium contained in metallic silicon. According to the content of iron, aluminum, and calcium in industrial silicon, industrial silicon can be divided into different grades such as 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, and 1101. Industrial silicon additional products include silicon micropowder, edge silicon, black silicon, metal silicon slag, etc. Among them, silicon micropowder is also called silicon powder, silicon ash or silicon ash, which is widely used in refractory and concrete industries.

 

 

 

Silicon powder Size

(mesh)
Chemical Composition %
Si Fe Al Ca
Chemical
silicon powder
Si-(20-100 mesh)
Si-(30-120 mesh)
Si-(40-160 mesh)
Si-(100-200 mesh)
Si-(45-325 mesh)
Si-(50-500 mesh)
99.6 0.2 0.15 0.05
99.2 0.4 0.2 0.1
99.0 0.4 0.4 0.2
98.5 0.5 0.5 0.3
98.0 0.6 0.5 0.3
Silicon powder for refractory -150 mesh
-200 mesh
-325 mesh
-400 mesh
-600mesh
99.6 0.2 0.15 0.05
99.2 0.4 0.2 0.1
99.0 0.4 0.4 0.2
98.5 0.5 0.3 0.2
98.0 0.6 0.5 0.3
Low-grade -200 mesh
-325 mesh
95-97 Impurity content≤3.0%

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