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Raw material: super bauxite clinker
Minerals: Corundum and mullite
Physical and chemical indexes
ITEMS | DL-80 | DL-75 | BDL-80 | BDL-75 |
AL2O3 % | 80 | 75 | 80 | 75 |
Apparent porosity(A.P.) %
| 19 | 19 | 18 | 18 |
Cold crushing strength(ccs) MPa | 75 | 65 | 60 | 55 |
%(P.L.C) 1500°C*2h | 0—0.3 | 0—0.3 | ±0.2 | ±0.2 |
Thermal shock resistance, 1100°C water cooling,cycles | Provide data | 8 | 8 |
High Alumina Brick For Electric Furnace Steel Making