Fire Clay Brick
Fire clay bricks are divided by use and are mainly divided into clay refractory bricks for blast furnaces, clay refractory bricks for hot blast furnaces, and large clay refractory bricks for coke ovens and glass kilns.
Al2O3: ≥25%-42%;
Fe2O3: ≤2.0%;
0.2MPa Refractoriness Underload T0.6: ≥1250℃-1440℃
Cold Crushing Strength: 15MPa-45MPa;
Technical Datas
| Item | PN-42 | PN-40 | PN-35 | PN-30 | |
|---|---|---|---|---|---|
| Al2O3, % | ≥ | 42 | 40 | 35 | 30 |
| Fe2O3, % | ≤ | 2.0 | / | / | / |
| Apparent Porosity, % | ≤ | 20 | 24 | 26 | 23 |
| Cold Crushing Strength, MPa | ≥ | 45 | 35 | 30 | 30 |
| 0.2MPa Refractoriness Under Load, ℃ | ≥ | 1400 | 1350 | 1320 | 1300 |
| Permanent Linear Change, % | 1400℃*2h -0.4-0.1 | 1350℃*2h -0.4-0.1 | 1300℃*2h -0.4-0.1 | 1300℃*2h -0.4-0.1 |
|
Brief Introduction
Fire clay brick is made from clinker clay by mixing, forming, drying, sintering and matching characterized by good resistance to corrosion and abrasion, good thermal shock resistance, good spelling resistance, high mechanical strength, good volume stability under high temperature.
Note: Any Interests and questions, please email us for more information and quotation: inquiry@keruirefra.com.
