Mortar Cubes Is4031 Is650

Oct 29, 2016 is 650:1991 specification for standard sand for testing of cement.Is 4031(part 8):1988 methods of physical tests for hydraulic cement: part 8 determination of transverse and compressive strength of plastic mortar using prism.Is 10080:1982 specification for vibration machine for casting oct standard cement mortar cubes.