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 vitreous china 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.
For Europe, please contact your local Sibelco office for help and advice on meeting your requirements for raw sand, quartz or ground sand or quartz.
| Silica | Country of Origin | Chemical Analysis % | ||||||
|---|---|---|---|---|---|---|---|---|
| Products | SiO2 | AI2O3 | Na2O | K2O | CaO | MgO | TiO2 | |
| CeraSil 100 | TH | 99.16 | 0.45 | 0.06 | 0.03 | 0.01 | 0.004 | 0.03 |
| CeraSil 325 | TH | 99.16 | 0.45 | 0.06 | 0.03 | 0.01 | 0.004 | 0.03 |
| CeraSil 325J | MY | < 98.1 | < 1.0 | < 0.20 | < 0.38 | < 0.08 | < 0.05 | < 0.30 |
| CeraSil 400J | MY | < 98.1 | < 1.0 | < 0.20 | < 0.38 | < 0.08 | < 0.05 | < 0.30 |
| CeraSil 325 | MY | > 98.8 | < 0.65 | < 0.11 | < 0.17 | < 0.08 | < 0.07 | – |
| CeraSil 270 mesh | USA | 98.86 | 0.53 | 0.02 | 0.25 | 0.02 | 0.01 | 0.04 |
| CeraSil 325 mesh | USA | 99.61 | 0.22 | – | 0.01 | 0.01 | 0.01 | 0.01 |
| CeraSil SL-204CC | MX | 97.78 | 1.13 | 0.08 | 0.39 | 0.03 | 0.10 | 0.08 |
| CeraSil SL-315CC | MX | 97.61 | 1.23 | 0.03 | 0.03 | 0.03 | 0.01 | 0.10 |
| CeraSil SL500 | MX | 98.07 | 0.99 | 0.03 | 0.30 | 0.04 | 0.02 | 0.05 |
| CeraSil SL-208A | MX | 98.52 | 0.76 | 0.03 | 0.27 | 0.03 | 0.01 | 0.05 |
| CeraSil SL-204B | MX | 97.83 | 1.08 | 0.06 | 0.34 | 0.08 | 0.03 | 0.08 |
| CeraSil SL-306A | MX | 98.71 | 0.65 | 0.03 | 0.03 | 0.03 | 0.01 | 0.03 |
