IS 3343 : 1965 Natural moulding sand for use in foundries

1 Scope

1.1 This standard covers the requirements for natural mouldingsand for use in foundries.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1387 : 1959General requirements for the supply of metals and metalproducts

IS 1811 : 1961Methods of sampling foundry sands