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Magnesium-aluminum brick,magnesium-aluminum spinel brick/Used for steel-making converter, electric furnace
Product description:
Magnesia as the main raw material, magnesia and aluminum oxide (bauxite) as the co-ground fine powder as the matrix, high temperature fired alkaline products are called magnesia aluminum brick;Magnesia-aluminum brick made from magnesia and spinel (synthesized by sintering method or electrofused method) is called magnesia-aluminum spinel brick.
Category of Refractory Brick/Fire Brick:
Magnesium-aluminum brick/magnesium-aluminum spinel brick
Features:
Accordi The products have the advantages of cracking resistance, thermal shock stability, etc.Used in anode furnace, lime kiln, cement rotary kiln and so on on.
Physical and chemical indicators:
| Name | Magnesium aluminum brick | Magnesium-aluminum spinel brick | ||||
|---|---|---|---|---|---|---|
| Brand | XY-ML-75 | XY-ML-80 | XY-ML-85 | XY-MLJ-80 | XY-MLJ-83 | XY-MLJ-85 |
| MgO/% | 75 | 85 | 88 | 80 | 83 | 85 |
| CaO/% | 2.0 | 1.5 | 1.3 | 1.5 | 1.2 | 1.2 |
| Fe2O3/% | 1.5 | 1.7 | 1.4 | 1.5 | 1.2 | 1.1 |
| SiO2/% | 2.0 | 2.4 | 2.0 | 1.5 | 1.4 | 1.5 |
| AL2O3/% | 8-13 | 7-10 | 6-8 | 8-12 | 13 | 11 |
| Apparent porosity,≤ | 18 | 17 | 17 | 17 | 17 | 17 |
| Bulk density/g﹒cm-3,≥ | 2.93 | 2.95 | 2.95 | 2.98 | 3.0 | 3.0 |
| Crushing strength/ MPa,≥ | 50 | 50 | 55 | 50 | 55 | 55 |
| Refractoriness under load,0.2MPa,℃(≥) | 1610 | 1650 | 1650 | 1650 | 1680 | 1680 |
| 1100℃ Cair cooling,blowing Themal shock resistanc | 10 | 7 | 7 | 10 | 8 | 8 |
Production and inspection :
Packaging and transportation: