WHITE PORTLAND CEMENT –CEM 152.5N
| Chemical Composition &Phase | ||
|
Lab. Chief |
Test Report
{ %) |
JQS 05
Requirements |
| LOI | < 3.5 | <4 |
| 1R | 1R | < 1.5 |
| SiOz | – | – |
| Alz03 | – | – |
| Fe201 | – | – |
| cao | – | – |
| MgO | <2 | < 5 |
| so3 | < 3.0 | < 3 |
| Alkali Equivalent | < 0.6 | – |
| LSF | > 0.90 | 0.66 – 1.02 |
| C3S | > 50 | – |
| C2S | 29 ± 7 | – |
| C3A | 12.5 ± 1 | – |
| C4AF | < 1.5 |
– |
| Physical Characteristics | |||
|
Lab. Chief |
Test Report
(%) |
JQS 05
Requirements |
|
| Blaine (m²/kg) | 360 (Avg.) | >280 | |
| Autoclave Expansion | < 0.15 | < 0.8 | |
|
Setting Time |
Initial (min) | > 100 | > 45 |
| Final {hr) | < 4 | < 10 | |
|
Compressive Strength (MN/ m2 ) |
2 Days
|
> 25 | > 20 |
| 28Days | > 53 | > 52.5 | |
|
WHITENESS (Based on “w” SCALE ) |
> 90 | > 80 | |
