... 4.Grit Size:8-5,3-1,1-0 Refractory Materials White Fused Alumina 1. White Fused Alumina Description1 ... ideal material in the production of high-grade refractory, abrasives, polishing materials, coating, chemical catalyst carrier, special ceramics ... medium, precision founding sand, coating materials, catalyst carrier, special ceramics and super refractory materials.Wilead Company Building And White ...