IS 8779 : 1978 Core gums (sodium silicate based) for use in foundries

UDC 621.243 - 422 MTD 14
Reaffirmed 2019

1 Scope

1.1 This standard covers the requirements for sodium silicatebased core gums for use in foundries.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1387 : 1967General requirements for the supply of metallurgicalmaterials

IS 1918 : 1966Methods of physical tests for foundry sands