Magnesia-Alumina Spinel Refractory Brick mainly used in furnace roof of the steel-making open-hearth and EAF, high temperature tunnel kiln, large cement rotary kiln, non-ferrous metal smelting furnace, etc.
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MgO-Al2O3 Refractory Brick
It is one kind of basic refractory brick. It is made of magnesia sand and little amount of industry alumina or bauxite as raw material, burned.
MgO-Al2O3 Refractory Brick Feature
Thermal shock stability is better than the one of magnesia brick, refractoriess is above 1580 ℃, fine erosion to the basic smelting slag.
MgO-Al2O3 Refractory Brick Application
Mainly used in furnace roof of the steel-making open-hearth and EAF, high temperature tunnel kiln, large cement rotary kiln, non-ferrous metal smelting furnace, etc.
Technical Dates of MgO-Al2O3 Refractory Brick
Item
Brand | MgO (%) ≥ | Al2O3 (%) ≥ | A. P. (%) ≤ | B. D. (g/cm3) ≥ | C . C. S. (MPa) ≥ | R. U. L. @ 0.2MPa &T0.6 (℃)≥ | T. S. R. @ 1100℃ & cool water (Times)≥ |
HXML-80A | 80 | 5-10 | 18 | 2.85 | 45 | 1600 | 3 |
HXML-80B | 80 | 5-10 | 20 | 2.80 | 40 | 1580 | 3 |
HXML-85 | 85 | 5-10 | 19 | 2.85 | 45 | 1650 | 4 |
*They are typical values in this table, not a basis for order.