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Product description of high alumina universal arc brick
High alumina universal arc refractory bricks with high alumina content are highly adaptable and expandable, allowing you to use steel drums of different sizes and choose efficient masonry methods.
Advantages of high alumina universal arc brick
No deformation
High fire resistance
regular form
Good chip resistance
Application of high alumina universal arc brick
High alumina universal arc refractory bricks are mainly used in blast furnaces, electric furnaces, hot air furnaces, thermal boilers, glass furnaces, cement furnaces, fertilizer gas furnaces, foundries and steel casting bricks, etc.
Parameters of high alumina universal 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 |