Description
General Properties
| Melting point 1100 °C |
| Bulk Density (g/cm3) 0.08 – 0.12 |
| Hardness (Mohs) 5.5-7 |
| Thermal conductivity at 500 °C (w/m.k) 360 |
| Shape Spherical |
| PH 7-7.02 |
Applications
| Lightweight refractory aggregate |
| Construction industry |
| Horticulture |
| Filter & extenders |
Chemical Analysis %
| SiO2 | 72-76 |
| AI2O3 | 10-14 |
| Fe2O3 | 0.5-2.0 |
| CaO |
0.5-2.0 |
| K2O | 2.0-0.5 |
| Na2O | 2.5-5.0 |
| L.O.I | 1.0-3.0 |