Detailed Product Description Details Material Code No.Color featureWhite aluminum oxideWAWhiteEasy to cut into the workpiece, it can reduce the ... deformation of the workpiece and have a good cutting techologyBrown aluminum oxideAGreyGreat toughness,high hardness,flesural strength.It can withstand a ... , such as gray cast iron, bronze, brass, glass, ceramics, etc.aluminum oxide abrasive grinding wheel