How to distinguish the quality of white corundum

How to distinguish the quality of white corundum
An important indicator of white corundum abrasive quality identification-density. The density of white corundum abrasive is divided into the bulk density of white corundum and the true density of white corundum. The bulk density of white corundum abrasive is 1.75-1.95g/cm3. The bulk density of the abrasive is related to the particle size, particle size composition, type, particle shape and other factors of the abrasive. Generally, coarse-grained abrasives have a higher bulk density than fine-grained abrasives. The bulk density of abrasive particles is greater than the density of a single particle size.