We supply multiple variants of High Alumina Bricks, Let Us Know if you want Customised Bricks.
High Alumina Bricks
| Classification | IG 42 | IG 43 | IG 50 | IG 59 | IG 60 | IG 70 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apparent Porosity (%) | 20 | 18 | 20-22(Max) | 15 | 16 | 21-23 | ||||||||||
| Bulk Density (g/ml) | 2.1 | 2.2 | 2.40 (Min.) | 2.5 | 2.52 | 2.65-2.60 | ||||||||||
| Cold Crushing Strength (MN/m2) | 550 | 500 | 45 (Min.) | 58 | 55 | 700 | ||||||||||
| Permanent Linear change (%) | ||||||||||||||||
| 2h @ 1400 O C | -0.1 | -0.3 | - | - | - | - | ||||||||||
| 2h @ 1500 O C | –0.5 | -0.5 | -0.625 | 0.3 | - | 1.2- 2 | ||||||||||
| Thermal Expansion (%) | ||||||||||||||||
| 20- 1200 O C | 0.6 | 0.6 | - | 0.6 | 0.6 | - | ||||||||||
| Thermal Conductivity (w/mK) | ||||||||||||||||
| Mean Temperature 900 O C | 1.47 | 1.47 | 1.28 | 1.89 | 1.89 | 1.4 | ||||||||||
| CHEMICAL PROPERTIES (%) | ||||||||||||||||
| Sio2 | 52.5 | 50.5 | 41.5 | 39.5 | 36 | 20.8 | ||||||||||
| Ti02 | 1.5 | 2.1 | 3.5 | 0.4 | 0.4 | 3.85 | ||||||||||
| Fe203 | 2.5 | 2 | 2.9 | 1.25 | 1 | 3.2 | ||||||||||
| Al203 | 42 | 43 | 51 | 58.5 | 62 | 71 | ||||||||||
| Ca0 | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | 0.15 | ||||||||||
| Mg0 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 0.25 | ||||||||||
| K20 | 0.8 | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | ||||||||||
| Na20 | 0.1 | 0.1 | 0.3 | 0.1 | 0.1 | 0.35 | ||||||||||
| PRODUCT BASE & TREATMENT | FIRE CLAY | ENHANCED FIRECLAY | BAUXITE BASED DRY PRESSED | FIRED | FIRED | BAUXITE BASED DRY PRESSED HIGH ABRASION RESISTANT PRODUCT SUITABLE FOR ROLLING MILL HEAT TREATMENT FURNACE ETC. | ||||||||||