Specification of Portland Cement in bulk
| | Item | Unit | ASTM C1157 specified for GU | Test Result |
| 1 | Fineness | cm2/g | | 3532 |
| 2 | Autoclave length change | % | Max 0.8 | 0.032 |
| 3 | Time of setting | | | |
| | Initial | min | Min 45 | 177 |
| | Final | min | Max 420 | 272 |
| 4 | Air content of mortar | % | | 3.2 |
| 5 | Compressive strength | | | |
| | 3 Days | N/mm2 | Min 13 | 18.8 |
| | 7 Days | N/mm2 | Min 20 | 29.2 |
| | 28 Days | N/mm2 | Min 28 | 40 |
| 6 | Mortar bar expansion 14 days | % | Max 0.020 | 0.001 |
| | MgO | % | | 1.3 |
| | SO3 | % | | 2 |
| | Na2O | % | | 0.12 |
| | K2O | % | | 0.75 |
| | CL | % | | 0.0068 |
| | LOI | % | | 1.5 |
| | Free Lime (Free- Cao) | % | | 0.6 |
