Specification of Sulphate Resistant Cement Pakistan Standard PS 612/1989
CHEMICAL COMPOSITIONS
| CHEMICAL COMPOSITIONS | ||
|---|---|---|
| LSF | 1.02 - 0.66 | 0.95 |
| C3A | 3.50 (Max) | 2.20 |
| SO3 | 2.50 (Max) | 2.20 |
| L.O.I. | 3.00 (Max) | 1.20 |
PHYSICAL TEST
| PHYSICAL TEST | ||
|---|---|---|
| Fineness | 2500 M2/kg | 2800 M2/kg |
| Soundness | 5 mm (Max) | 1 mm (Max) |
| Setting time | ||
| Initial | 45 Mts (Min) | 123 Mts |
| Final | 10 Hrs (Max) | 196 Mts |
| Compressive strengths | ||
| 03 Days | 15 N/mm2 | 23 N/mm2 |
| 07 Days | 23.5 N/mm2 | 32 N/mm2 |
| 28 Days | 34 N/mm2 | 40 N/mm2 |