IS 4433 : 1979 Method for Determination of Hardgrove Grindability Index of Coal
UDC 662.66 : 620.178.151.6 | PCD 7 |
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Reaffirmed 2020 |
1 Scope
1.1 This standard prescribes the method for determining thegrindability index of all types of Indian coals, excepting browncoals and lignites, using the Hardgrove machine.
2 References
IS 2 :1960Rules for rounding off numerical values
IS 436 : Part I : Sec 1 : 1964 Methods for samplingof coal and coke:Part I Sampling of coal,Section 1 Manual sampling
IS 460 :1962Specification for test sieve
IS 3810 : Part I :1978Glossary of terms relating to solidmineral fuels:Part I Terms relating to coal preparation
IS 3810 : Part II :1978Glossary of terms relating to solidmineral fuels:Part II Terms relating to coal samplingand analysis