Used In cement and steel industries . It is a highly resistant castable against erosion and abrasion on electrical arc furnace roofs because of slag, metal and CO gases. It includes % 90 alumina. It is tabular alumina and green chrom-oxide based.
Material | Percentage | Typical |
---|---|---|
Al2O3 | 85-90 % | 87 % |
SiO2 | 5-7 % | 6 % |
CaO | 1.5-2.5 % | 2 % |