OPC Cement: What is OPC in Cement & its benefits | JK …
OPC 33 Grade 1; Ordinary Portland Cement with a compressive strength of 33N/mm 2 at 28 days is OPC 33. While OPC 33 is suitable for all general construction, it is particularly used for masonry and plastering. OPC 43 Grade 2; OPC 43 is cement with a compressive strength of 43N/mm 2 at 28 days. Along with general construction, OPC 43 …