Composition and properties of cement and microsilica
| Cement | Microsilica | |
|---|---|---|
| Silicon dioxide (SiO2): % | 20·7 | 90·65 |
| Aluminium oxide (Al2O3): % | 4·61 | 0·02 |
| Ferric oxide (Fe2O3): % | 3·35 | 0·01 |
| Calcium oxide (CaO): % | 61·89 | 1·22 |
| Magnesium oxide (MgO): % | 3·05 | 0·01 |
| Sulfur trioxide (SO3): % | 2·4 | 0·24 |
| Lime saturation factor: % | 0·87 | 0·48 |
| Loss on ignition: % | 2·16 | 2·86 |
| Specific gravity | 3·1 | 2·4 |
| Specific surface area: cm2/g | 291 | 16 000 |
| Silicon dioxide (SiO2): % | 20·7 | 90·65 |
| Aluminium oxide (Al2O3): % | 4·61 | 0·02 |
| Ferric oxide (Fe2O3): % | 3·35 | 0·01 |
| Calcium oxide (CaO): % | 61·89 | 1·22 |
| Magnesium oxide (MgO): % | 3·05 | 0·01 |
| Sulfur trioxide (SO3): % | 2·4 | 0·24 |
| Lime saturation factor: % | 0·87 | 0·48 |
| Loss on ignition: % | 2·16 | 2·86 |
| Specific gravity | 3·1 | 2·4 |
| Specific surface area: cm2/g | 291 | 16 000 |
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