Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
Brief Description:
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It(High Alumina Brick,Alumina Brick,Refractory Alumina) features excellent high temperature mechanics and chemical corrosion resistance.
Technical Data:
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It(High Alumina Brick,Alumina Brick,Refractory Alumina) features excellent high temperature mechanics and chemical corrosion resistance.
Technical Data:
| Item | HA60 | HA70 | HA75 | HA80 |
| AL2O3(%) | ≥60 | ≥70 | ≥75 | ≥75-80 |
| SIO2(%) | 32 | 22 | 20 | ≥18 |
| Fe2O3(%) | ≤1.7 | ≤1.8 | ≤1.8 | ≤1.8 |
| Refractoriness (°C) | 1790 | ＞1800 | ＞1825 | ≥1850 |
| BulkDensity (g/cm3) | 2.4 | 2.45-2.5 | 2.5 | 2.55-2.6 |
| Softening Temperature under Load | ≥1470 | ≥1520 | ≥1530 | ≥1550 |
| Apparent Porosity (%) | 22 | ＜22 | ＜21 | 20 |
| Cold Crushing Strength (Mpa) | ≥45 | ≥50 | ≥54 | ≥60 |
High Alumina Brick,Alumina Brick,Refractory Alumina Features:
1. Resisting high temperature
2. Great bulk density
3. Low iron content
4. Good eroding resistance
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln