white fused alumina for refractory

white fused alumina for refractory white fused alumina for refractory was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3. Product name white fused alumina for refractory Al2O3 99.3% Fe2O3 0.04-0.08% Na2O 0.25-0.35% SiO2 0.01-0.05% Sample free