Sands & Clays
Ball Clay
Ball clay is a highly plastic clay with excellent green strength, used to improve the workability and unfired strength of ceramic and china bodies.
Typical Analysis
| Composition | Value (%) |
|---|---|
| SiO₂ | 46.86 |
| Al₂O₃ | 34.71 |
| Fe₂O₃ | 1.34 |
| TiO₂ | 0.48 |
| CaO | 0.05 |
| MgO | 0.33 |
| K₂O | 0.98 |
| Na₂O | 0.01 |
| L.O.I | 14.93 |
Key Properties
| Origin | Tabas mine, South Khorasan |
|---|---|
| Viscosity | 13 dPa·s |
| pH | 6.7 |
| Green M.O.R. | 49 kgf/cm² |
| Moisture | 10 ± 2 % |
| Firing shrinkage at 1180 °C | 17.3 % |
| Water absorption at 1180 °C | 4.3 % |
| Brightness at 1180 °C | 67.5 |
| Particle size D₅₀ | 3.8 micron |
| Passing 10 / 5 / 2 / 1 µm | 82.98 / 60.99 / 24.2 / 6.09 % |
| Product granulation | 200 mesh powder |
