Magnesite Brick
Zhengzhou Caihua Kiln Masonry Installation Co.,Ltd. is professional manufacturer of fire bricks, Mortar, Pre-cast, Pre shape, Insulation products, Castable, Functional Products for Iron & Steel, Cement, Glass, Power & Petrochemical Industries. Magnesite brick is sintered magnesite as raw material, made by sintering, containing about 91% MgO, is the direct combination of silicate magnesia refractory products, production and use widely.
Why Choose Us?
Rich Experience
CH Refractories with 40 years production and 15 years exporting experience to provide customers full supporting.
Professional Team
The company has 120 employees, including 20 professional engineers, who can provide professional product design and technical support.
Advanced Equipment
The company is equipped with two 1000-ton brick machines, ten 630-ton brick machines, two 180-meter high-temperature tunnel kilns, as well as a complete set of equipment for testing physical and chemical properties.
Broad Market
Products are exported to Germany, Korea, Indonesia, Pakistan, Malaysia, Saudi Arabia, Egypt, Russia, Uzbekistan and other countries.
Specifications of Magnesite Brick
|
Items |
CH-MZ-91 |
CH-MZ-93 |
CH-MZ-95 |
CH-MZ-97 |
|
Mgo% ≥ |
90 |
93 |
95 |
97 |
|
SiO2%≤ |
-- |
-- |
2.50 |
1.20 |
|
CaO%≤ |
3.0 |
2.50 |
2.0 |
1.50 |
|
Apparent porosity/%≤ |
20 |
18 |
18 |
18 |
|
CCS /MPa ≥ |
40 |
50 |
50 |
50 |
|
0.2 MPaRefractoriness Under Load/℃ |
1500 |
1550 |
1600 |
1650 |
Characteristic of Magnesite Brick
High refractoriness
Magnesite chrome bricks have a high melting point, which means that they can withstand very high temperatures without melting or losing their structural integrity. This makes them a good choice for applications where the bricks will be exposed to extreme heat.
Excellent thermal shock resistance
Magnesite chrome bricks can withstand rapid changes in temperature without cracking or spalling. This makes them a good choice for applications where the temperature fluctuates frequently.
Good chemical stability
Magnesite chrome bricks are resistant to attack by most chemicals, including acids, alkalis, and salts. This makes them a good choice for applications where the bricks will be exposed to harsh chemical environments.
High strength
Magnesite chrome bricks have high compressive strength and modulus of rupture. This means that they can withstand heavy loads without breaking.
Low thermal conductivity
Magnesite chrome bricks have low thermal conductivity, which means that they are good insulators. This helps to keep the heat inside the furnace or kiln, which can improve efficiency and reduce energy costs.
Composition of Magnesite Bricks
Magnesium Oxide (MgO)
The main substance in magnesite bricks is magnesium oxide, sometimes called magnesia. It gives the bricks solidity and resilience to high temperatures.
01
Silica (SiO2)
Magnesite bricks are strengthened and have their thermal expansion reduced by the addition of silica. Additionally, it contributes to the bricks' improved refractoriness.
02
Iron Oxide (Fe2O3)
During the firing process, iron oxide functions as a fluxing agent and lowers the fusion temperature of magnesite bricks. Additionally, it gives the color of the brick.
03
Calcium Oxide (CaO)
Bricks are given calcium oxide to increase their workability and lessen shrinkage while being manufactured. Additionally, the bricks' resilience to thermal shock is improved.
04
Alumina (Al2O3)
To improve the mechanical strength and corrosion resistance of mag bricks, alumina is added to the mix.
05
Applications of Magnesite Brick
For the production of cement, magnesia bricks are perfect for lining rotary kilns. These bricks have an enduring capacity to resist corrosive environments and higher temperatures present in cement kilns.
In non-ferrous metal furnaces, magnesia bricks are the primary element as their nature resists chemical reactions. They ensure the longevity of the equipment used in the operations.
In petrochemical industries, where the main function is to produce chemicals from petroleum and natural gas, magnesite bricks are used in extreme-temperature reactors.
The steel and metallurgical industrial buildings, where magnesite bricks are used for their endurance against slag corrosion resistance and structural integrity. The use of these refractory bricks ensures safety, uninterrupted operations, and efficient steel production.
Certificate
Packaging & Shipping
We're well-known as one of the leading magnesite brick manufacturers in China. Please rest assured to buy customized magnesite brick at competitive price from our factory. Contact us for more cheap products.
fire brick for industrial use, metallurgical flame retardant agents, metallurgical smoke suppressants