Specification of Ordinary Portland Cement British Standard BS 12/1996
CHEMICAL COMPOSITIONS
| CHEMICAL COMPOSITIONS | ||
|---|---|---|
| Loss on Ignition (LOI) % | 4.00 Max | 01.92 |
| Insoluble Residue (I.R) % | 1.5 Max | 00.40 |
| Silicon Oxide (SiO2) % | ----- | 20.25 |
| Aluminium Oxide (Al2O3) % | ----- | 04.77 |
| Iron Oxide (Fe2O3) % | ----- | 03.54 |
| Calcium Oxide (CaO) % | ----- | 63.34 |
| Magnesium Oxide (MgO) % | 4.00 Max | 02.84 |
| Sulphur Trioxide (SO3) % | 3.00 Max | 01.75 |
| Lime Saturation Factor (L.S.F) % | Not < 0.66 & Not > 1.02 | 00.96 |
| Alkali Eq. | ----- | 00.60 |
| C3S | ----- | 53.80 |
| C2S | ----- | 20.19 |
| C3A | ----- | 06.40 |
| C4AF | ----- | 12.04 |
| Chloride (Cl) | ----- | 00.01 |
PHYSICAL TEST
| PHYSICAL TEST | LIMITS AS PER BS 12/1996 | TIGER CEMENT TEST RESULTS |
|---|---|---|
| Setting Time | ||
| Initial Time (Min) | 45 Min | 185 |
| Final Time (Min) | 600 Max | 285 |
| Blaine (cm2/gm) | 2250 Min | 2980 |
| Expansion (mm) | 10 Max | 0.50 |
| Compressive Strength | ||
| 02 Days | 1450 Min (PSI) | 23.13 |
| 07 Days | ----- | 35.25 |
| 28 Days | 5000 Min (PSI) | 48.44 |