Supplier: Cement, ordinary portland cement (opc) sulphate resisting portland cement 42.5 n (src) moderate sulphate resisting portland cement (msrc) portland limestone cement 32.5n(plc) masonry cement 22.5 n(mc) ground granulated blas furnace slag(ggbs) (cem ii 42.5r) portland limestone cement 42.5r(cem ii 42.5r) portland slag cement(psc)