High Alumina Bricks
High Alumina Bricks are produced with selected bauxite chamotte as main raw material which they have great features like high temperature performance, great corrosion and wear resistance, high bulk density, low iron content, etc..
Advantages
Fired at 1300-1470 °C
Application
High Alumina bricks are extensively used in mining, metallurgy, cement, chemical and refinery and refractory industries
| High Alumina Brick |
|
Chemical Analysis
| AL2O3 |
% |
Min 57 |
| Fe2O3 |
% |
Max 2 |
| SiO2 |
% |
Max 35 |
Physical Properties
| Bulk Density (Db.) |
g/cm3 |
2.20-2.40 |
| Apparent Porosity (Po.) |
Vol-% |
150-21 |
| Cold Crushing Strength (c.c.s) |
kg/cm2 |
350-650 |
| Thermal Shock Resistance (TSR-H2O) |
cycles |
20 |
| Refractoriness Under Load (differential) |
T0.5ºc |
Min 1350 |
| Refractoriness |
ºC |
1750 |
|
| |
| High Alumina Brick |
|
Chemical Analysis
| AL2O3 |
% |
Min 68 |
| Fe2O3 |
% |
Max 2 |
| SiO2 |
% |
Max 25 |
Physical Properties
| Bulk Density (Db.) |
g/cm3 |
2.40-2.60 |
| Apparent Porosity (Po.) |
Vol-% |
16-22 |
| Cold Crushing Strength (c.c.s) |
kg/cm2 |
500-750 |
| Thermal Shock Resistance (TSR-H2O) |
cycles |
30 |
| Refractoriness Under Load (differential) |
T0.5ºc |
Min 1360 |
| Refractoriness |
ºC |
1770 |
|
High Alumina Brick
Chemical Analysis
| AL2O3 |
% |
Min 78 |
| Fe2O3 |
% |
Max 2 |
| SiO2 |
% |
Max 17 |
Physical Properties
| Bulk Density (Db.) |
g/cm3 |
2.40-2.70 |
| Apparent Porosity (Po.) |
Vol-% |
17-23 |
| Cold Crushing Strength (c.c.s) |
kg/cm2 |
500-800 |
| Thermal Shock Resistance (TSR-H2O) |
cycles |
30 |
| Refractoriness Under Load (differential) |
T0.5ºc |
Min 1450 |
| Refractoriness |
ºC |
1780 |
| High Alumina Brick |
|
Chemical Analysis
| AL2O3 |
% |
Min 78 |
| Fe2O3 |
% |
Max 2 |
| SiO2 |
% |
Max 17 |
Physical Properties
| Bulk Density (Db.) |
g/cm3 |
2.50-2.75 |
| Apparent Porosity (Po.) |
Vol-% |
15-22 |
| Cold Crushing Strength (c.c.s) |
kg/cm2 |
700-1000 |
| Thermal Shock Resistance (TSR-H2O) |
cycles |
30 |
| Refractoriness Under Load (differential) |
T0.5ºc |
Min 1430 |
| Refractoriness |
ºC |
1780 |
|