Silica
Product Benefits
Silica, in its various forms, is the primary filler and is added indirectly to the body in combination with other components and as a separate component. Silica, in its various forms, is found in most countries.
The main properties given to the FFC body are:
- Silica works with the fluxing oxides to fuse the body in firing
- Control of thermal expansion
- Increases whiteness of the body
- Increases cast rate.
Technical Details
At Sibelco we generally consider the supply of silica and fillers to be a local solution. Please contact your local Sibelco Office for help and advice on meeting your requirements for raw sand, quartz or ground sand.
| Country of origin | Chemical Analysis % | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Products | SiO2 | AI2O3 | Na2O | K2O | CaO | MgO | TiO2 | Fe2O3 | |
| Silica SL-204CC | MX | 97.78 | 1.13 | 0.08 | 0.39 | 0.07 | 0.03 | 0.10 | 0.11 |
| Silica SL-315CC | MX | 97.61 | 1.23 | 0.03 | 0.03 | 0.03 | 0.01 | 0.04 | 0.03 |
| Silica SL-208A | MX | 98.52 | 0.76 | 0.03 | 0.27 | 0.03 | 0.01 | 0.05 | 0.04 |
| Silica SL-204B | MX | 97.83 | 1.08 | 0.06 | 0.34 | 0.08 | 0.03 | 0.05 | 0.13 |
| Silica SL-306A | MX | 98.71 | 0.65 | 0.03 | 0.03 | 0.03 | 0.01 | 0.08 | 0.03 |
| Silica 325 mesh | USA | 99.61 | 0.22 | – | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 |
