... ,jumbo roll Description:AHMCF is a specially treatment blocky, medium bulk density brown fused aluminum oxide abrasive used for resin-bonded ... , 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180 Bulk Density:Grit(F) g/cc Grit(F) g/cc ... Grit(F) g/cc24 1.94 54 1.81 100 1 ...