Table 2 Properties of silica fume.
Specific gravity (20 °C) | Blaine specific surface (cm2/g) | Average particle size (μm) | Ig. loss |
|---|---|---|---|
2.2 | 240,000 | 8.94 | 2.8 |
Chemical compositions (%) | ||||||||
|---|---|---|---|---|---|---|---|---|
SiO2 | H2O | Al2O3 | MgO | CaO | Fe2O3 | K2O | Na2O | L.O.I |
33.5 | 0.29 | 0.63 | 5.58 | 45.4 | 0.73 | 1.08 | 0.36 | 3.0 |