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High-purity metal silicon powder Industrial silicon is also called metal silicon and crystalline silicon

High-purity metal silicon powder Industrial silicon is also called metal silicon and crystalline silicon
High-purity metal silicon powder Industrial silicon is also called metal silicon and crystalline silicon, which is mainly used as an additive for non-ferrous alloys. Industrial silicon can also be used as a strict alloying agent for silicon steel, a deoxidizer for smelting special steel grades and non-ferrous alloys. After a series of process treatments, industrial silicon can be pulled into single crystal silicon for use in the electronics industry. Industrial silicon powder is a powdered industrial silicon powder ground from industrial silicon. The main component of industrial powder is silicon, so it has similar properties to silicon. The properties of industrial silicon powder are similar to germanium, lead, and tin, and it has semiconductor properties. Industrial silicon powder can be divided into different grades according to the content of the three main impurities of iron, aluminum, and calcium.

 

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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