OPC 43 Grade at PARASAKTI CEMENT is produced
Conformed to the Indian Standards Specifications as per IS : 8112 - 1989
The cement that is prepared by grinding
Portland Cement Clinker and suitable proportions of Gypsum is called as
Ordinary Portland cement. Small additions of performance improvers such as Fly
ash, Blast furnace slag etc are permitted.
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 43 MPa after 28 days, then the Cement is said to be 43 Grade Ordinary Portland Cement.
DESCRIPTION | IS REQUIREMENT | PARASAKTI RESULTS |
---|---|---|
3 Days (72 ± 1hour) | Not less than 23 MPa | 32-34 MPa |
7 Days (168± 2 hour) | Not less than 33 MPa | 42-44 MPa |
28 days (672±4 hour) | Not less than 43 MPa | 54-56 MPa |