IS 4139 : 1989 Specification for calcium silicate bricks

1 Scope

1.1 This standard covers the requirements regardingclassification, general quality, dimensions, compressive strengthand drying shrinkage of calcium silicate bricks used in buildings.

2 References

IS 3495 : Parts 1 to 4 :1976 Methods of test for burnt clay buildingbricks

IS 3812 :1981Specification for fly ash for use aspozzolana and admixture

IS 5454 :1978Methods of sampling of burnt clay buildingbricks