Magnesia Chrome Bricks are engineered from high-purity magnesia and chrome, offering excellent thermal stability, superior corrosion resistance, and high mechanical strength. These bricks are designed to withstand extreme temperatures and harsh chemical environments, making them perfect for applications in the steel, cement, and glass industries. Their low porosity and high density ensure durability and efficiency in high-heat conditions.
Product Parameters
Brand Properties |
RMC22 |
RMC16 |
RMC12 |
DMC22 |
DMC16 |
DMC8 |
|
Apparent Porosity (%) |
15 |
15 |
15 |
16 |
17 |
18 |
|
Bulk Density (g/cm3) |
3.25 |
3.20 |
3.20 |
3.15 |
3.0 |
2.95 |
|
Cold Crushing Strength (MPa) |
50 |
50 |
50 |
40 |
40 |
40 |
|
@1400℃ Thermal Linear Expansion(%) |
1.8 |
1.5 |
1.2 |
1.8 |
1.5 |
1.2 |
|
times) Thermal Shock Resistance air cool |
60 |
55 |
50 |
40 |
40 |
40 |
|
@0.2MPa Refractoriness Under Load (℃) |
1700 |
1700 |
1700 |
1700 |
1650 |
1600 |
|
Chemical Composition (%) |
MgO |
55 |
65 |
75 |
55 |
65 |
75 |
Cr2O3 |
22 |
16 |
12 |
22 |
16 |
8 |
|
SiO2 |
1.5 |
1.5 |
1.5 |
2.0 |
2.0 |
2.5 |
|
Main Applications |
Rotary & Shaft Kiln AOD COD RH EAF & Ladle Nonferrous Metal Furnace Hot-blast furnace Glass kiln |
Product Usage:
Magnesia Chrome Bricks are widely used in:
- Metallurgy: Open-hearth furnace tops, electric furnace roofs, and refining installations.
- Cement Industry: Cement rotary kilns and calcination zones.
- Glass Industry: Regenerators and high-temperature zones of glass furnaces
Product Advantages
- High Strength: Magnesia Chrome refractory Bricks are known for their exceptional compressive strength, making them ideal for areas with high mechanical stress.
- Corrosion and Erosion Resistance: These bricks exhibit excellent resistance to slag and chemical attack, ensuring long service life.
- Thermal Shock Stability: They maintain structural integrity under rapid temperature changes, reducing the risk of cracking.
Product technology:
The production of Magnesia Chrome Bricks involves advanced technology and precision engineering:

Key steps include:
Raw Material Selection: High-purity magnesia and chrome are chosen for their thermal and chemical properties.
Mixing and Molding: The materials are blended with binders and molded into bricks using high-pressure pressing techniques
High-Temperature Firing: Bricks are fired at extreme temperatures to enhance density, strength, and thermal stability.
Surface Finishing: Smooth surfaces are achieved to minimize contamination and improve installation efficiency.
Quality Testing: Each brick undergoes rigorous testing for thermal conductivity, compressive strength, and corrosion resistance.
Why Choose Us?
- 23+ years experience focus on refractories field
- 2 plants with 3 sets of tunnel kilns for 120,000 tonnes capacity
- 3 QC Labs Technology Centres
- 120+ employees with ISO9001,TUV,SGS,Intertek certifications
- 100+abroad customers in 50+ countries
- 20+ major industry furnace projects yearly
- OEM service are available with
- RHI,CALDERYS,INTOCAST,REFRATECHNIK,VESUVIUS etc
Packing

FAQ
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