| Requirements |
TIS. 15-2547 Vol.1 |
ASTM. C150-04 |
RAJASRI RED |
| Chemical Requirements |
|
|
|
| Magnesium oxide (MgO) Percent Max. |
6.0 |
6.0 |
3.0 |
| Sulfur trioxide (SO3) |
|
|
|
| When 3CaO. Al2O3 ≤ 8.0 Percent Max. |
3.0 |
3.0 |
2.5 |
| When 3CaO. Al2O3 > 8.0 Percent Max. |
3.5 |
3.5 |
- |
| Loss on ignition Percent Max. |
3.0 |
3.0 |
1.5 |
| Insoluble residue Percent Max. |
0.75 |
0.75 |
0.5 |
| Mineral Requirements |
|
|
|
| Tricalcium silicate (C3S) Percent |
- |
- |
58.0 |
| Tricalcium aluminate (C3A) Percent |
- |
- |
7.5 |
| Physical Requirements |
|
|
|
| Air content of mortar Percent Max. |
12.0 |
12.0 |
7.0 |
| Fineness: Specific surface by Blaine air |
|
|
|
| permeability |
|
|
|
| cm2 per |
|
|
|
| Average value gm Min. |
2800 |
2800 |
3400 |
| Soundness: Autoclave expansion Percent Max. |
0.8 |
0.8 |
0.1 |
| Compressive strenght of mortar cube MPa(kgf/cm2) |
|
|
|
| 1 Day in moist air, 2 days in water Min. |
12.0 (120) |
12.0 (120) |
20.0 (205) |
| 1 Day in moist air, 6 days in water Min. |
19.0 (195) |
19.0 (195) |
30.0 (305) |
| 1 Day in moist air, 27 days in water Min. |
- |
- |
40.0(405) |
| Time of setting: Vicat test Minute |
|
|
|
| Initial Set Min. |
45 |
45 |
95 |
| Final Set Max. |
375 |
375 |
220 |
| False set , Final penetration Percent Min. |
50.0 |
50.0 |
85.0 |
