IS 8 : 1994 High heat duty fireclay refractories

1 Scope

This standard covers the requirements for two types of high heatduty burnt fireclay refractories for general purposes.

2 References

IS 1335 :1979Methods for direct determination of alumina inrefractory materials

IS 1387 :1993General requirements for the supply ofmetallurgical materials

IS 1527 :1972Methods of chemical analysis of high silicarefractory materials

IS1528Methods of sampling and physical tests forrefractory materials

Part 1 :1980Part 1 Determination of pyrometric coneequivalent (PCE) or softening point

Part 2 :1974Part 2 Determination of refractoriness under load

Part 3 :1983Part 3 Determination of spalling resistance

Part 4 :1974Part 4 Determination of cold crushing strength

Part 6 :1974Part 6 Determination of permanent change afterreheating

Part 7 :1974Part 7 Methods of sampling and criteria forconformity

Part 8 :1974Part 8 Determination of apparent porosity