Tanım
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
- Yüksek alümina tuğlalar
- Mullit tuğlası
- Magnezya tuğlası
- Magnezya alümina spinel tuğlası
- Magnezya krom tuğlası
- Magnezya karbon tuğlası
- Korindon tuğlası
- AZS tuğlası
- Silica brick
- Refrakter Silisyum Karbür Tuğlalar
- Refrakter Ankraj Tuğlaları
- Refrakter Silikon Mullit Tuğlalar
- Refrakter Aside Dayanıklı Tuğlalar
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 |
| Refrakterlik | ≥ 1690 °C | ≥ 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*65mm) | ≥ 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 °C | ≥ 1300 °C | ≥ 1350 °C | ≥ 1420 °C |
| R.L.C% | 0~ -0.5(1350°C ,2H) | 0~ -0.3(1350°C ,2H) | 0~ -0.4(1450°C ,2H) | +0.1~ -0.4(1450°C ,2H) |
Wikipedia'dan: Fire brick
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