Magnesia Brick
Feature:
Sintered magnesia brick is the main product of alkaline refractory materials. This product has high refractoriness and good corrosion resistance to iron oxides, alkaline slag and high calcium flux.
Application:
It is widely used in steelmaking furnace linings, ferroalloy furnaces, mixed iron furnaces, non-ferrous metallurgical industrial furnaces, lime kilns in the building materials industry, regenerator grid heat exchangers in the glass industry, tunnel kilns and high-temperature calcining kilns in the refractory industry.
ITEM | magnesia brick | ||||
| Physical Property: | LX–SMZ–89 | LX–SMZ–91 | LX–SMZ–93 | LX–SMZ–95 | |
| MgO (%) ≥ | 89 | 91 | 93 | 95 | |
| SiO2 (%) ≤ | / | / | 3.5 | 2.0 | |
| CaO (%) ≤ | 3.0 | 3.0 | 2.0 | 2.0 | |
| Apparent Porosity (%) ≤ | 20 | 18 | 18 | 18 | |
| Cold Crushing Strength (MPa) ≥ | 50 | 60 | 60 | 60 | |
| Refractoriness Under Load (°C) ≥ | 1550 | 1560 | 1620 | 1650 | |
| Permanent Linear Change on heating ( 1650℃×2h) (%) |
-0.6-0 |
-0.5-0 |
-0.4-0 |
-0.3-0 | |
| Thermal conductivity coefficient (1000°C)(W/m.k)≤ | / | 3 | / | 3.8 | |
Magnesia Alumina Brick
Features:
Magnesia aluminum brick with low calcium content of high quality magnesia and industrial alumina powder as the main raw materials, by high pressure molding, high temperature sintering, good thermal stability, to iron oxides, basic slag and other solvents have a good corrosion resistance.
Application:
Magnesia-aluminum bricks are used as masonry materials on the top of high temperature melting furnaces such as steel-making open hearth furnaces and electric copper reverberatory furnaces.
| Physical Property: | |||
| Apparent Porosity(%) | ≤ | 18 | 19 |
| Bulk Density(g/cm3) | ≥ | 2.95 | 2.85 |
| Cold Crushing Strength(MPa) | ≥ | 45 | 40 |
| Refractoriness Under Load(T0.6 ℃) | ≥ | 1700 | 1650 |
Thermal Shock Resistance (950℃,Air Cooling)(Cycles) | ≥ | 120 | 100 |
| Thermal Expansion (1000℃) (%) | * | 1.2 | 1.2 |
| Thermal Conductivity (1000℃)(W/m.K) | ≤ | 4 | 3.8 |
| Chemical Analysis(%) | |||
| MgO | ≥ | 82 | 78 |
| Al2O3 | ≥ | 10 | 10 |
| SiO2 | ≤ | 1 | 3 |
| Note:All data are average values obtained at samples for laboratory purposes. | |||
Magnesia-alumina-iron Spinel Brick
Features:
Magnesia-aluminum-iron spinel brick has good thermal shock stability and corrosion resistance, low thermal expansion, low thermal conductivity and good structural flexibility.
Application:
Magnesia-alumina-iron spinel brick is mainly used in the non-ferrous metallurgy industry of various furnace top temperature fluctuation area, can also be used for the bottom of the melting pool, furnace wall and rotary kiln lining parts.
| ITEM No | Magnesia-alumina-iron Spinel Brick | ||||
| MAFe-82A | MAFe-82B | MAFe-82C | |||
| Physical Property: | |||||
| Bulk Density(g/cm3) | ≥ | 2.95 | 2.92 | 2.90 | |
| Cold Crushing Strength(MPa) | ≥ | 65 | 60 | 55 | |
Refractoriness Under Load(T0.6 ℃) | ≥ | 1650 | 1600 | 1550 | |
| Thermal Expansion( 1400℃) (%) | * | 1.4 | 1.3 | 1.2 | |
| Apparent porosity | ≤ | 17 | 18 | 19 | |
Thermal Shock Resistance( 950℃,Air)(Cycles) | ≥ | 100 | 100 | 100 | |
| Chemical Analysis(%) | |||||
| MgO | ≥ | 82 | 82 | 82 | |
| Al2O3 | * | 11-13 | 11-13 | 11-13 | |
| Fe2O3 | * | 1.5-3.0 | 1.5-3.0 | 1.5-3.0 | |
| SiO2 | ≤ | 1.5 | 2.0 | 2.5 | |
Magnesia-alumina-chrome Spinel Brick
Features:
Magnesia-alumina-chrome compound spinel brick uses high purity magnesia and chromium concentrate as the main raw materials, through high pressure molding, high temperature sintering, with corrosion resistance and high temperature resistance characteristics.
Application:
Magnesia-alumina-chrome compound spinel brick is suitable for zinc play kilns and non-ferrous smelting furnace tops in the non-ferrous industry, as well as high temperature kiln tops in the steel industry.
| ITEM No | Magnesia-alumina-chrome Compound Spinel Brick | |||
| LX-MLGe-80 | LX-MLGe-75 | |||
| Physical Property: | ||||
| Cold Crushing Strength(MPa) | ≥ | 50 | 40 | |
Refractoriness Under Load(T0.6 ℃) | ≥ | 1680 | 1650 | |
| Apparent porosity | ≤ | 18 | 18 | |
Thermal Shock Resistance( 1100℃,water quenching)(Cycles) | ≥ | 10 | 8 | |
| Chemical Analysis(%) | ||||
| MgO | ≥ | 80 | 75 | |
| Al2O3 | * | 9-13 | 9-13 | |
| Cr2O3 | * | 3-5 | 3-5 | |
| Note:All data are average values obtained at samples for laboratory purposes. | ||||
About Lianxin:
The company has more than 20 patented technologies, more than 20 corporate honors, and international certifications such as ISO. With an annual output of 300,000 tons, the company is a leader in China’s refractory industry. As a manufacturer, we will provide you with factory direct prices. With more than 20 years of experience and a team of more than 200 professionals, we are committed to helping you find a solution that suits your needs.
What is the Price of Magnesia Series Bricks Price?
The main factors affecting the price include: quantity and type. Magnesia series bricks are key components for building kilns. Lianxin team will provide different pricing plans according to the different needs of customers. The price of magnesia series bricks varies depending on the quantity and model selected. Customers who order large quantities of the same model can enjoy greater discounts.
About delivery time: Standard size bricks can be delivered immediately.
Regarding customized magnesia series bricks, we have rich experience, short production cycle and fast delivery time.
In addition, we can also provide kiln material solutions and a series of technical guidance for construction according to the specific needs of customers.
Lianxin magnesia series bricks are your solution!
With over 20 years of experience and a team of over 200 professionals, we are committed to helping you find the solution that’s right for you.
