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ACC 53 grade cement an Ordinary Portland Cement which surpasses the requirements of IS: 12269-53 Grade. It is produced from high quality clinker ground with high purity gypsum. ACC 53 Grade OPC provides high strength and durability to structures because of its optimum particle size distribution, superior crystalline structure and balanced phase composition. 53 Grade OPC cement is Used in RCC and pre-stressed concrete of higher grades, cement grouts, instant plugging mortars etc.
Chemical Components
Results
Requirements as per IS: 8112 : 2013
|
% Soluble Silica |
20.4 |
|
|
% Alumina |
5.7 |
|
|
% Iron Oxide |
4.0 |
|
|
% Lime |
62.5 |
|
|
% Magnesia |
0.8 |
Not more than 6.0% |
|
% Insoluble Residue |
0.9 |
Not more than 4.0% |
|
% Sulphur Calculated as SO3 |
3.2 |
Not more than 3.5% |
|
% Loss On Ignition |
1.4 |
Not more than 5.0 % |
|
LIME SATURATION FACTOR |
0.91 |
Between 0.80 & 1.02 |
|
PROPORTION OF ALUMINA TO IRON OXIDE 1 |
1.43 |
Not less than 0.66 |
|
TRI CALCIUM ALUMINATE |
8.34 |
|
|
% Chloride |
0.007 |
Not more than 0.1% |
|
Fineness |
|
|
|
Specific Surface (m2/kg) |
290 |
Not less than 225 |
|
Compressive Strength (MPa) |
|
|
|
3-Days |
40.8 |
Not less than 27 |
|
7-Days |
52.0 |
Not less than 37 |
|
28-Days (W no-36) |
57.0 |
Not less than 53 |
|
Setting Time (mins): |
|
|
|
Initial |
135 |
Not less than 30 |
|
Final |
200 |
Not more than 600 |
|
Soundness |
|
|
|
Le-Chatelier Expn. (mm) |
0.0 |
Not more than 10 mm |
|
Autoclave Expn. (%) |
0.009 |
Not more than 0.8 % |
|
a) Normal Consistency (%) |
26.5 |
|
|
b) Temp.during Testing (deg.C) |
27.0 |
|
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