Anchor fire brick is a kind of high alumina bricks made from calcined bauxite, is can be used for the top and wall of industrial furnaces. The anchor fire brick is embedded in the refractory castable wall and can be used after baking at a certain temperature, enhance the overall performance of the refractory castable.
Classification by the molding process: semi-dry press molding, pouring vibration molding.
Anchor fire brick can be used in cement rotary kilns, glass kilns, ladle liner, hot blast stove, roof of electric furnace, etc.
Specification should be different according to different furnaces/kilns, standard shapes and customized drawings are acceptable.
Item |
SK38 |
SK37 |
SK36 |
SK35 |
Al2O3% |
≥75 |
≥65 |
≥55 |
≥48 |
Fe2O3% |
≦2 |
≦2 |
≦2 |
≦2 |
Bulk Density(g/cm3) |
2.4-2.65 |
2.3-2.35 |
2.25-2.3 |
2.1-2.2 |
Refractoriness℃ |
≥1790 |
≥1770 |
≥1750 |
≥1750 |
Apparent Porosity% |
≦22 |
≦23 |
≦24 |
≦24 |
Cold Crushing Strength Mpa |
≥53.9 |
≥49.0 |
≥44.1 |
≥39.2 |
Refractoriness Under Load (0.2Mpa) ℃ |
≥1520 |
≥1500 |
≥1470 |
≥1420 |
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