... :2000 4.Grit Size:8-5,3-1,1-0 High Quality 99.5% White Fused Alumina 1. ... frictional heat.5)White Fused Alumina can withstand acid and alkali erosion, with high temperature resistance and ... is the ideal material in the production of high-grade refractory, abrasives, polishing materials, coating, chemical ... ceramics and etc.2) For grinding high carbon steel, high-speed steel and chilled steel. 3)White ...