| – | Cement | Micro-silica | Nano-silica |
|---|---|---|---|
| Silicon dioxide (SiO2): % | 20·7 | 90·65 | 99.8 |
| Calcium oxide (CaO): % | 61·89 | 1·22 | - |
| Aluminium oxide (Al2O3): % | 4·61 | 0·02 | - |
| Ferric oxide (Fe2O3): % | 3·35 | 0·01 | - |
| Sulfur trioxide (SO3): % | 2·4 | 0·24 | - |
| Magnesium oxide (MgO): % | 3·05 | 0·01 | - |
| Loss on ignition: % | 2·16 | 2·86 | ≤ 1 |
| Lime saturation factor: % | 0·87 | 0·48 | - |
| Specific gravity | 3·1 | 2·3 | - |
| Colour | Grey | Grey | White |