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1. Introduction:
It is the grey lumpish solid. It has very strong stabilities and does not place any chemical reaction in the dry air.
2. Usage:
The ferro silicon is used extensively in the steel-making, casting non-ferrous metals and other industrial production; It is the good deoxidizer and most steel kind use the Ferro Silicon for Deoxidization;In steel smelting; It is used to sedimentary accretion and expanding deoxidizing; It is used to prove the strength, hardness and elasticity of steel greatly in steel casting.
| spec | composition% | |||||
| Ca | Si | C | AL | P | S | |
| > | < | |||||
| Ca31Si60 | 31.00 | 55-65 | 1.00 | 2.40 | 0.04 | 0.05 |
| Ca28Si60 | 28.00 | 55-65 | 1.00 | 2.40 | 0.04 | 0.05 |
| Ca24Si60 | 24.00 | 55-65 | 1.00 | 2.50 | 0.04 | 0.05 |
| Ca20Si60 | 20.00 | 55-65 | 1.00 | 2.50 | 0.04 | 0.05 |
| Ca16Si60 | 16.00 | 55-65 | 1.00 | 2.50 | 0.04 | 0.05 |
fiber calcium silicate board