NCL Energy Limited is an ISO 9001: 2000 company, manufacturing a range of eco-friendly building materials like cement boards, metal profiles etc. NCL Energy Limited offers the Ordinary Portland Cement or Nagarjuna Cement that is produced in different grades. The technical specifications of 53 Grade or Ordinary Portland Cement are: 53 Grade OPC Nagarjuna 53 Grade IS: 12269 OPC Standards 3 days in M.Pa 27 31 7 days in M.Pa 37 40 28 days in M.Pa 53 58 [M.Pa=MegaPascals] Physical Tests: Blain M2/kg 225 290 Initial Setting Time [Minutes] 30 Min 160 Min Final Setting Time [Minutes] 600 Max 320 Max
