Product description of high alumina arc brick
High alumina arc brick: high refractive index, no deformation, smooth appearance, good crack resistance, no peeling, and strong corrosion resistance. Precise size and variety.
Advantages of high alumina arc brick
Long service life, 210% longer than many other clay clinker.
The reduction of unit consumption can indicate that non-metallic inclusions in molten steel are also reduced accordingly.
The corrosion resistance of slag and molten steel is strong, which can be seen from the section of high alumina brick after use
The construction is convenient. Since there is radian at both ends of the universal arc refractory brick, the radian can be adjusted by moving during construction, and the brick joint generally reaches 1mm.
The vertical joint of the universal arc refractory brick is very small, 70% smaller than the standard refractory brick, thus correcting the erosion of the molten iron layer moving up and down and penetrating into the brick joint.
Application of high alumina arc brick
Blast furnace, electric furnace, hot blast furnace, hot boiler, glass kiln, cement rotary kiln, chemical fertilizer gasifier and cast steel brick.
Parameters of high alumina arc brick
| Item | KRGL-55 | KRGL-65 | KRGL-75 | KRGL-80 | KRPZCL-78 |
| Al2O3 % ≥ | 55 | 65 | 75 | 80 | 78 |
| Fe2O3 % ≤ | – | – | – | 2 | 2 |
| Refractoriness under load 0.2MPa, °C | 1470 | 1490 | 1510 | 1530 | 1550 |
| Apparent Porosity % ≤ | 22 | 28 | 28 | 24 | 21 |
| Cold Crushing Strength MPa ≥ | 45 | 35 | 40 | 50 | 70 |