Share on (62552172528):
Features
1. Good slag resistance
2. Excellent corrosion resistance
3. High refractoriness under load
4. Good thermal shock resistance
5. High refractoriness
Applications
Magnesia alumina spinel brick is widely used in transition zone of large dry-process cement rotary kiln, lining of ladle and roof of EAF, etc.
Physical properties and chemical composition
Item
| LMLJ-80 | LMLJ-75 | ||
Standard | Typical Value | Standard | Typical Value | |
MgO, % | ≥80 | 85.5 | ≥75 | 81.2 |
Al2O3 , % | 8~15 | 10.2 | 8~15 | 9.83 |
apparent porosity, % | ≤17(18) | 16 | ≤18(19) | 16 |
0.2MPa refractoriness under load °C | ≥1700 | 1800 | ≥1650 | 1750 |
cold crushing strength ,MPa | ≥40 | 57 | ≥40 | 68 |
Thermal expansion(1100°C,water cooling), times | ≥20 | ≥20 | ≥5 | ≥16 |


Generally speacking, the bricks are put in wooden pallet and then polyethylene film is placed over it, finally the package is tied up with strips. We can also package according to your requirement.

Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the production and development of refractory
materials for glass , petrochemistry, metallurgy, construction and nonerrous metal industries. Our main
products include fused cast AZS 33, 36,41, fused cast αβ alumina brick, crucibles, furnace fireclay bottom
block, silica, high alumina, magnesia, corundum, chrome, zircon, mullite, zirconia mullite, silicon carbide,
sillimanite, alumina bubble bricks, various insulation bricks, and ceramic fiber products,etc.



New products from manufacturers at wholesale prices