2) BIS: 8112 -1989 certified Cement 3)less setting time 4)Used for House construction RCC works(Main Structural work) &/or Plain Cement Concrete (PCC) Works Building brick /Block walls 5)OPC is manufactured by grinding together OPC Clinker (95 – 97%) along with gypsum (3-5%) 6) It is specially blended with good quality control monitoring systems, high quality cement engineered for use in all structural, building and particularly useful in marine and hydraulic construction.