Cement
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Portland Cement
Physical Properties | Factory Test Result | Standard | |
Setting Time, ( Initial ) | 120-160 | Min | Min 45 |
Setting Time, ( Final ) | 220-250 | Min | Max 360 |
Expansion , ( Autoclave ) | 0.07-0.15 | % | Max 0.8 |
Speaific Surface Area, ( Blaine ) | 3200-3500 | Cm2/gr | Min 2800 |
Residue on 90 µ Sieve | 0.6-1.9 | % | - |
Compressive Streonge ( 1 days ) | - | Kg/cm3 | - |
Compressive Streonge ( 2 days ) | 200-220 | - | |
Compressive Streonge ( 3 days ) | 320-360 | Min 100 Min 175 | |
Compressive Streonge ( 7 days ) | 410-450 | ||
Compressive Streonge ( 28 days ) | 510-550 | Min 315 | |
Chemical Analysis | Factory Test Result | Standard |
Sio2 Al2o3 Fe203 Cao Mgo So3 Insolube Reshdue Loss on Ignation Free Cao K2o Na2o Alkalies % Na2o+0.658*K2o Cl | 20.50 4.95-5.00 3.70-3.80 64.50-65.00 1.00-1.20 2.50-2.65 0.60-0.73 2.00-2.50 1.00-1.50 0.78-0.82 0.28-0.32 0.80-0.85 0.012-0.016 | Max 20 Max 6 Max 6 - Max 5.00 Max 3.00 Max 0.75 Max 3.00 - - - - - |
Modulus | Factory Test Result | Standard |
Lime Saturation Factor Silica Modulus Aluminate Modulus | 95.00-97.00 2.30-2.40 1.25-1.30 | - - - |
Mineraligical Composition | Factory Test Result | Standard |
C3S C2S C3A C3AF | 60.00-65.00 10.00-15.00 6.55-7.00 11.00-12.00 | - - - - |
Head of Hydration Cal/gr | Factory Test Result | Standard |
3Days | 40-46 | - |
7Days | 48-52 | Max 70 |
28Days | 57-60 | - |