IS 3339 : 1975 Silica flour for use in foundries

1 Scope

1.1 This standard covers the requirements for silica flour foruse in foundries.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 460 : 1962 Specification for test sieves

IS 1387 : 1967General requirements for supply of metallurgicalmaterials

IS 1811 : 1961Methods of sampling foundry sands

IS 1917 : 1962 Methods of chemical analysis ofquartzite and high silicasand

IS 1918 : 1966Methods of physical tests for foundry sands