Silica
Product Benefits
Engobes:
- Increases the thermal dilatation of the engobe
- White firing colour.
Glazes:
- SiO2 is the main glass former
- If fully dissolved inside the glaze it can reduce the thermal expansion of the glaze.
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 or quartz.
| Silica | Country of origin | Chemical Analysis % | Particle Size %< | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Products | SiO2 | AI2O3 | Na2O | K2O | CaO | MgO | TiO2 | Fe2O3 | 10µm | 2µm | |
| Silica M6 | BE | 99.4 | 0.1 | – | – | – | – | 0.07 | 0.03 | – | |
| Silica M10 | BE | 99.4 | 0.1 | – | – | – | – | 0.07 | 0.03 | – | |
| Silica SL-500 | MX | 98.07 | 0.99 | 0.03 | 0.30 | 0.04 | 0.02 | 0.05 | 0.05 | 97.1 | 35.0 |
| 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 | 0.08 | 0.13 | – | – |
| Silica SL-306A | MX | 98.71 | 0.65 | 0.03 | 0.03 | 0.04 | 0.01 | 0.04 | 0.03 | – | – |
