Description
| Table-3: Typical Chemical and Physical Properties of OPC Cement | |||
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Particulars |
Typical Range |
Requirement of |
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CHEMICAL PROPERTIES |
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| 1 | Lime Saturation Factor (LSF) | 0.90-0.92 | 0.66 To 1.02 |
| 2 | Alumina to that of Iron oxide Ratio % (A/F) | 1.20-1.40 | 0.66 Min. |
| 3 | In soluble Residue (% by mass) | 1.0-1.20 | 3.00 Max. |
| 4 | Magnesium oxide (% by mass) | 3.0-3.50 | 6.00 Max. |
| 5 | Sulphuric Anhydride (% by mass) | 1.80-2.00 | 3.00 Max. |
| 6 | Total Loss On Ignition (% by mass) | 1.0-1.20 | 4.00 Max. |
| 7 | Total Chloride ( % by mass) | 0.010-0.014 | 0.10 Max.(For N.C.)* 0.05 Max.(For P.C.)* |
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PHYSICAL PROPERTIES |
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| 1 | Fineness (M2/Kg) | 320-340 | 225 Min. |
| 2 | Setting Time (Minutes) | ||
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Initial |
110-120 | 30 Min. | |
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Final |
150-180 | 600 Max. | |
| 3 | Expansion | ||
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Le. Chatelier (mm) |
1.00-2.00 | 10.00 Max. | |
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Auto clave (%) |
0.10-0.15 | 0.8 Max. | |
| 4 | Compressive Strength (MPa) | ||
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3 Days |
40.0-42.0 | 27 Min. | |
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7 Days |
49.0-50.0 | 37 Min. | |
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28 Days |
60.0-62.0 | 53 Min. | |
Uses and applications
1. Building (floors, beams, columns, roofing, piles, bricks, mortar, panels, plaster)
2. Transport (roads, pathways, crossings, bridges, sleepers, viaducts, tunnels, stabilization, runways, parking)
3. Water (pipes, culverts, kerbing, drains, canals, weirs, dams, tanks, pools)
4. Civil (piers, docks, retaining walls, silos, warehousing, poles, pylons, fencing)
5. Agriculture (buildings, processing, housing, feedlots, irrigation)