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ISO 5074
M00001321
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ISO 5074 3rd Edition, October 1, 2015 Hard Coal - Determination of Hardgrove Grindability Index
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Description / Abstract:
This International Standard specifies the method for determining
the grindability index of hard coal using the Hardgrove machine. It
also specifies the procedure for calibrating the test machine and
for preparing the standard reference coal samples.
NOTE In this International Standard, the term "hard coal" is
used as an indication of maturity or rank in the coalification
sequence and is not related to the physical properties of the
coal.