Description
1.Fire clay brick Description
Fire Clay bricks are refractory bricks made of various raw materials including refractory clay, calcined soft clay and soft clay. The alumina content is generally 30% -48% alumina refractory. It is a weakly acidic refractory product that can resist acid slag and acid gas erosion, has good thermal performance, and is resistant to rapid cooling and high temperature.
Other refractory bricks
- উচ্চ অ্যালুমিনা ইট
- Mullite ইট
- ম্যাগনেসিয়া ইট
- ম্যাগনেসিয়া অ্যালুমিনা স্পিনেল ইট
- Magnesia chrome brick
- Magnesia carbon brick
- কোরান্ডাম ইট
- AZS ইট
- Silica brick
- Refractory Silicon Carbide Bricks
- Refractory Anchor Bricks
- Refractory Silicon Mullite Bricks
- Refractory Acid-Resistant Bricks
2.Fire clay brick Feature
（1）High refractoriness
（2）High-temperature endurable
（3）Good corrosion resistance
（4）Good spalling resistance and wear resistance
（5）Good thermal shock resistance
（6）High mechanical strength
（7）Good volume stability at high temperature.
3.Technical Parameter
| SK series | SK30 | SK32 | SK34 | SK35 |
| AL2O3 | 30%-35% | 35%-38% | 38%-42% | 42%-50% |
| Fe2O3 /% | ≤ 3 | ≤ 3 | ≤ 3 | ≤ 2.5 |
| অবাধ্যতা | ≥ 1690 ℃ | ≥ 1730℃ | ≥ 1750℃ | ≥ 1750℃ |
| B.D/g/cm3 | 1.9-2.0 | 2.0-2.1 | 2.1-2.18 | 2.15-2.3 |
| Unit weight(230*114*65মিমি) | ≥ 3.35KGS | ≥ 3.55KGS | ≥ 3.65KGS | ≥ 3.75KGS |
| A.P% | ≤ 26 | ≤ 24 | ≤ 24 | ≤ 22 |
| C.C.S | ≥ 20Mpa | ≥ 25Mpa | ≥ 30Mpa | ≥ 35Mpa |
| R.U.L | ≥ 1250 ℃ | ≥ 1300 ℃ | ≥ 1350 ℃ | ≥ 1420 ℃ |
| R.L.C% | 0~ -0.5(1350℃ ,2h) | 0~ -0.3(1350℃ ,2h) | 0~ -0.4(1450℃ ,2h) | +0.1~ -0.4(1450℃ ,2h) |
From Wikipedia: Fire brick
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