Property |
Specification |
Appearance |
Fine powder, typically grey or white |
Particle Size |
0.01 mm to 0.1 mm (average diameter) |
Color |
Grey, light grey, or white depending on the type |
Density |
1.44 to 1.50 g/cm³ |
Specific Gravity |
3.10 to 3.15 |
Moisture Content |
Less than 0.5% |
Compressive Strength |
Varies based on type (e.g., 25 to 50 MPa after 28 days) |
Setting Time |
Initial set: 30 to 60 minutes; Final set: 2 to 10 hours |
Blain Fineness |
300 to 500 m²/kg (for ordinary Portland cement) |
Chemical Composition |
60%-67% lime (CaO), 17%-25% silica (SiO₂), 3%-8% alumina (Al₂O₃) |