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53 grade Ordinary Portland Cement is high strength OPC and provides numerous advantages where ever concrete for special high strength applications is required. The rate of development of strength is faster than 43 grade OPC.
53 Grade OPC is different from Rapid Hardening Portland Cement IS: 8041and their purposes of usage are different.
The Cement mortar that is prepared in 1: 3 proportions using standard sand (as per IS:650) and tested at standard laboratory conditions and gains the compressive strength of not less than 53 MPa after 28 days, then the Cement is said to be 53 Grade Ordinary Portland Cement.
| DESCRIPTION | IS REQUIREMENT | PARASAKTI RESULTS |
|---|---|---|
| 3 Days (72 ± 1hour) | Not less than 27 MPa | 35-38 MPa |
| 3 Days (72 ± 1hour) | Not less than 37 MPa | 45-47 MPa |
| 3 Days (72 ± 1hour) | Not less than 53 MPa | 59-63 MPa |
| DESCRIPTION | IS REQUIREMENT | PARASAKTI RESULTS |
|---|---|---|
| Initial Setting time | Not less than 30 Minutes | 130-160 Minutes |
| Final Setting time | Not more than 600 Minutes | 230-260 Minutes |
| DESCRIPTION | IS REQUIREMENT | PARASAKTI RESULTS |
|---|---|---|
| By Blaine method | Not less than 225 M2/Kg | 275-295 M2/Kg |
| DESCRIPTION | IS REQUIREMENT | PARASAKTI RESULTS |
|---|---|---|
| Le-Chatlier method | Not more than 10mm | 1-2 mm |
| Autoclave method | Not more than 0.80 percent | 0.05 - 0.2 % |
Applications
Used for Prestressed Concrete Structures and Precast Concrete requiring high strength, High-rise Buildings, Chimneys, Long span bridges, Flyovers, General Civil Construction Works like Residential, Commercial, Industrial Buildings, Bridges, Flyovers, Culverts etc.