... and grinding, polishing, sandblasting, precision casting (jingzhu special corundum), etc., can also be used in the manufacture ... reduction effect noTo edit this period of white corundum physical and chemical index USES specifications main chemical ... -5mm 5-8mmappearancegranulecolorwhiteproductwhite fused alumina for refractory(white corundum)active principleAl2O3country of originchinasize0-1,1-3,3 ...