Korund Brick & Hoch Alumina Brick

Corundum Brick & High Alumina Brick is popular used a lot of high temperature furnaces. Brand MLCR-98MLCR-95MLCR-90MLCR-80MLCR-85Chemical Analysis AL2O3 (%) ≥98.5≥95≥90≥80≥85Cr2O3 (%) ------------≥8SiO2 (%) ≤0.3≤3.0≤9.0≤18≤0.2Fe2O3 (%) ≤0.2≤0.2≤0.5≤0.5≤0.2R2O (%) ≤0.3≤0.6≤0.6≤0.4≤0.5Bulk Density (g/cm3) ≥3.0≥2.9≥2.9≥2.7≥3.1C.C.S (Mpa) ≥75≥100≥100≥60≥80Refractoriness () ≥1790≥1790≥1790≥1790≥1790Refractoriness under load of 0.2MPa () ≥1700≥1650≥1650≥1700≥1700Reheat Linear Change (%) 1600×3h ≤0.21600×3h ≤0.21600×3h ≤0.21600×3h ≤0.31600×3h ≤0.2Thermal Shock Resistance 1100water cooling (times) ≥6≥10≥10≥20≥15