High Alumina Chequer Firebrick
Choose the type what you need, or provide the size you need.
High Alumina Chequer Firebrick Features & Advantages
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
High Alumina Chequer Firebrick for Furnace Technique Data
| High Alumina Chequer Firebrick Physical and Chemical Index: |
| Item |
Properties |
| 80 |
75 |
65 |
55 |
48 |
| Al2O3 (%) |
80 |
≥75 |
≥65 |
≥55 |
≥48 |
| Refractoriness (°C ) |
≥1790 |
≥1790 |
≥1790 |
≥1770 |
≥1750 |
| Bulk density (g/cm3) |
2.65 |
2.5 |
2.45 |
2.4 |
2.3 |
| Softening temperature under load (°C ) |
1530 |
≥1520 |
≥1500 |
≥1470 |
≥1420 |
| Linear changes on reheating (%) |
1500°CX2H |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| 1450°CX2H |
-0.4 |
-0.4 |
-0.4 |
-0.4 |
-0.4 |
| Apparent porosity (%) |
22 |
≤23 |
≤23 |
≤22 |
≤22 |
| Cold crushing strength (Mpa) |
55 |
≥50 |
≥45 |
≥40 |
≥35 |
| Application |
steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace. |
High Alumina Chequer Firebrick Applications
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
