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| MgO (%) ≥: | 80 | Al2O3（%）: | 8～20 |
|---|---|---|---|
| Apparent Porosity (%) ≤: | 17 | Bulk Density (g/cm³): | 2.85～3.15 |
| Cold Crushing Strength (MPa) ≥: | 40 | Refractoriness Under Load(0.2MPa) /℃ ≥: | 1700 |
| Resistance To Themal Shock Times (water-cooling) ≥: | 10 | Material: | Magnesium Aluminum |
| High Light: | dense castable refractory,furnace refractory bricks |
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Magnesia Aluminum Brick alkaline refractory material for industrial furnace include ordinary magnesia-aluminum bricks and magnesium-aluminum spinel bricks.
Magnesia Aluminum Brick alkaline refractory material for industrial furnace is an alkaline refractory material fired from magnesia and a small amount of industrial alumina or alumina. The product has the characteristics of high temperature performance, high thermal shock stability, strong resistance to corrosion by alkaline substances, good wear resistance and good flexibility against high temperature heat load.
Magnesia Aluminum Brick alkaline refractory material for industrial furnace is mainly used in the top of steelmaking open and electric furnaces, high temperature tunnel kiln, large cement rotary kiln and non-ferrous metal smelting furnace.
| Items | Index | ||||
| Magnesium aluminum spinel brick | Magnesia aluminum brick | ||||
| MLJ-80 | MLJ-75 | MLJ-70 | MLZ-80A | MLZ-80B | |
| MgO (%) ≥ | 80 | 75 | 70 | 80 | 80 |
| Al2O3(%) | 8～20 | 8～20 | 8～20 | 5～10 | 5～10 |
| Apparent porosity (%) ≤ | 17 | 19 | 20 | 18 | 19 |
| Bulk density (g/cm³) | 2.85～3.15 | 2.85～3.15 | 2.85～3.10 | 2.85～3.10 | 2.85～3.10 |
| Cold crushing strength (MPa) ≥ | 40 | 40 | 40 | 35 | 30 |
| Refractoriness under load(0.2MPa) /℃ ≥ | 1700 | 1650 | 1600 | 1600 | 1580 |
| Resistance to themal shock times (water-cooling) ≥ | 10 | 10 | 8 | 4 | 4 |
Contact Person: Astra
