This standard specifies the method for the determination of the Hardgrove (Hardgrove) grindability index of coal. This standard applies to bituminous coal and anthracite.
GB/T 2565-1998 history
2014GB/T 2565-2014 Determination of grindability index of coal.Hardgrove method
1998GB/T 2565-1998 Determination of grindability index of coal(Hardgrove method)