silicon metal specifications: According to the content of iron, aluminum, and calcium in silicon metal, silicon metal can be divided into different specifications such as 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101, etc.
Various specifications of silicon metal:
|
Si |
Fe |
Al |
Ca |
P |
B |
|
|
Silicon metal 1101 |
≥99.70 |
≤0.1 |
≤0.1 |
≤0.01 |
≤0.002 |
≤0.002 |
|
Silicon metal 2202 |
≥99.50 |
≤0.2 |
≤0.2 |
≤0.02 |
≤0.003 |
≤0.005 |
|
Silicon metal 3303 |
≥99.30 |
≤0.3 |
≤0.3 |
≤0.03 |
≤0.006 |
|
|
Silicon metal 3305 |
≥99.25 |
≤0.3 |
≤0.3 |
≤0.05 |
||
|
Silicon metal 441 |
≥99.00 |
≤0.4 |
≤0.4 |
≤0.10 |
||
|
Silicon metal 553 |
≥98.5 |
≤0.5 |
≤0.5 |
≤0.30 |
"silicon metal" (also called industrial silicon in my country). silicon metal is a product smelted from quartz and coke in an electric furnace. The content of the main component silicon is about 98% (in recent years, 99.99% Si content is also included in silicon metal). The remaining impurities are iron, aluminum, Calcium etc.
Additional products of silicon metal: including silicon powder, edge silicon, black silicon, silicon metal slag, etc. Among them, silica powder is also called silica fume, microsilica fume or silica fume. It is widely used in the refractory and concrete industries.
Its main use is as an additive to non-iron-based alloys. Silicon is a non-metallic element, gray in color, metallic in color, hard and brittle. The content of silicon accounts for about 26% of the mass of the crust; the atomic weight is 28.80; the density is 2.33g/m3; the melting point is 1410C; the boiling point is 2355C; the resistivity is 2140Ω.m.
