Table 2 Physico-chemical properties of Type V Portland cement.
Chemical composition | Physical properties | ||
|---|---|---|---|
Element | Percent | ||
Metal oxide | Specific surface | ||
SiO2 | 21.0 | Blaine fineness (cm2/g) | 3,760 |
Al2O3 | 3.6 | Soundness | |
Fe2O3 | 3.4 | Autoclave expansion (%) | 0.11 |
CaO | 63.1 | Air content (%) | 6.7 |
MgO | 4.7 | Normal consistency (%) | 24.5 |
SO3 | 2.6 | Time of setting (min) | |
Alkali oxide | Initial set | 109 | |
Na2Oequv | 0.42 | Final set | 212 |
Phase analysis | Min. compressive strength | ||
C3S | 61 | 1,160 psi (3 days) | |
C2S | 15 | 2,180 psi (7 days) | |
C3A | 4 | ||
C4AF | 10 | ||
Loss on ignition | 1.3 | ||
Insoluble residue | 0.28 | ||