| Names | Chemical abbreviation | Chemical analyzes | Size |
|---|---|---|---|
| Standard Grade Ferro Silicon 75 | FeSi 75 | Si approx. 75% Al 1%, 1.5%, or 2% max | Fines Lumpy |
| Low Aluminium Ferro Silicon 75 | Low Al FeSi 75 | Si approx. 75% Al from 0.5 to 0.10% max | Fines Lumpy |
Other grades on demand.
