... abrasives is electrically fused in the fuenace with high-grade alumina powder as raw materials.It has ... brown fused aluminium oxide,characte-rized by its high purity,strong grinding ability,Abrasive tools made of it ... coating,medium body for chemical industry,special ceramics and high-grade refractory materials,etc.2. White fused alumina ... 1.010.5±1.0ds9425.02.4126 High Purity White fused alumina oxide