... powder 2.Manufacturer 2.High quality of 99% 3.Specially for polishing or lapping. 1. White Fused Aluminum Oxide Polishing Powder ... ,strong grinding ability,Abrasive tools made of it are suitable for grinding highspeed steel,high carton steel,etc.It also can ... and polishing precision-casting,spraying and coating,medium body for chemical industry,special ceramics and high-grade refractory materials,etc. ...