... .Passed ISO9001:2000 4.Grit Size:8-5,3-1,1-0 Refractory Grade 99.5% White Fused Alumina 1. White Fused Alumina ... Description1)White Fused Alumina is made by first grade alumina as ... Alumina is the ideal material in the production of high-grade refractory, abrasives, polishing materials, coating, chemical catalyst carrier, special ...