OPC 42.5N | Derba MIDROC Cement
OPC 42.5N. Our OPC 42.5N is an Ordinary Portland Cement with attributes of high early & late strengths even though it is classed as 42.5N. Its early strength (2 days) reaches up to 25 MPa, whereas its late strength (28 days) reaches up to 53.5 MPa. It conforms to CEM I with strength class 42.5N in accordance with Ethiopian Standard ES 1177-1: ...