Refractory Mullite Insulating Refractory Brick JM 28
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- Loading Port:
- Shanghai
- Payment Terms:
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- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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General Information
CMAX insulating firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)
Feature
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Application of Insulating brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc.
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density，g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
Common problem solution
1. What products do you have?
We have all kinds of refractory bricks, refractory casting materials, mortar, cement, ceramic fiber products, etc..
Or you can browse our products to choose what you need.
2. How to control product quality?
With strict quality control system throughout the material selection and production process, we have the quality of refractory materials and ceramic fiber products to meet customer requirements.
From the selection of raw materials, the quality of our control to start. The quality of the raw materials required for each batch of products in the use of the front line test. In the production process, through the quality control of workers, and then to each piece of classification, and through quality supervision and inspection.
3. Could you give me a brief introduction to the application of your product?
My Company is mainly engaged in steel, cement, glass, ceramics, petrochemical, electric power and other industries.
4. If I need you, what kind of information do you need?
In order to select the right products, we will provide us with information, such as the United States, technical data, order quantity, product applications, etc..
If you have any questions, please contact us.
- Q:Can insulating fire bricks be used for insulation in heat recovery systems?
- Yes, insulating fire bricks can be used for insulation in heat recovery systems. Insulating fire bricks are specifically designed to withstand high temperatures and provide effective thermal insulation. They have low thermal conductivity, which means they can minimize heat loss and maximize heat recovery in a system. These bricks are often used in various industrial applications such as kilns, furnaces, and ovens, where temperature control and energy efficiency are important. Therefore, they can be a suitable choice for insulating heat recovery systems, helping to optimize the recovery and utilization of waste heat.
- Q:Can insulating fire bricks be used for fireplace construction?
- Yes, insulating fire bricks can be used for fireplace construction. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for lining fireplaces. They help to retain heat, increase the efficiency of the fireplace, and prevent heat loss. Additionally, insulating fire bricks are lightweight, making them easier to handle and install. Overall, using insulating fire bricks for fireplace construction is a practical choice that can enhance the performance and energy efficiency of the fireplace.
- Q:Are insulating fire bricks resistant to thermal spalling?
- Yes, insulating fire bricks are resistant to thermal spalling. Thermal spalling refers to the phenomenon where a material cracks or breaks due to rapid temperature changes or thermal shock. Insulating fire bricks are specially designed to withstand high temperatures and thermal cycling without spalling. They have a low thermal conductivity, which means they can effectively insulate against heat transfer and minimize the stress caused by thermal expansion and contraction. Additionally, the composition and structure of insulating fire bricks are engineered to provide excellent resistance to thermal spalling, making them a reliable choice for applications that involve extreme heat conditions.
- Q:Can insulating fire bricks be used for insulation in industrial chimneys?
- Yes, insulating fire bricks can be used for insulation in industrial chimneys. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They are made from lightweight refractory materials that have low thermal conductivity, allowing them to effectively retain heat and prevent its transfer to the surroundings. This makes them ideal for use in industrial chimneys, where insulation is crucial to minimize heat loss and improve energy efficiency. Additionally, insulating fire bricks are also resistant to chemical corrosion, making them suitable for the harsh and corrosive environments typically found in industrial chimneys.
- Q:Are insulating fire bricks resistant to chemicals?
- Yes, insulating fire bricks are generally resistant to chemicals. They are designed to withstand high temperatures and have low thermal conductivity, making them an ideal choice for applications involving chemicals. These bricks are typically made from ceramic materials, such as alumina, which has excellent chemical resistance properties. However, it is important to note that the degree of chemical resistance can vary depending on the specific type of insulating fire brick and the chemicals involved. Some chemicals, especially highly corrosive or reactive ones, may still cause damage or degradation to the bricks over time. Therefore, it is advisable to consult the manufacturer or supplier for detailed information on the chemical resistance capabilities of specific insulating fire bricks.
- Q:Can insulating fire bricks be used for insulation in foundries?
- Insulating fire bricks have the capability to be utilized for insulation purposes in foundries. These bricks are specially constructed to possess a high level of thermal resistance and a low level of thermal conductivity, rendering them exceptionally suitable for scenarios that necessitate insulation. In the context of foundries, where elevated temperatures are present, insulating fire bricks can be employed to line the walls, floors, and roofs, thus diminishing heat loss and enhancing energy efficiency. Furthermore, they contribute to maintaining a consistent temperature within the foundry, thereby ensuring uniform dispersion of heat while preventing heat loss to the surrounding environment. Moreover, owing to their lightweight nature and easy installation process, insulating fire bricks emerge as a pragmatic choice for insulation in foundries.
- Q:Can insulating fire bricks be used in the construction of crucibles?
- Insulating fire bricks can indeed be utilized for constructing crucibles. These bricks are crafted from lightweight materials like clay and silica, boasting remarkable thermal insulation properties. Consequently, they are highly suitable for scenarios that require the preservation of high temperatures and minimal heat loss, such as crucible construction. Crucibles, extensively employed in industries like metallurgy and chemistry, serve the purpose of containing and melting materials at exceedingly elevated temperatures. By incorporating insulating fire bricks into crucible construction, heat loss is curtailed, energy efficiency is enhanced, and a more consistent temperature is maintained within the crucible, ultimately resulting in improved overall performance. Furthermore, the lightweight nature of these fire bricks facilitates easier handling and installation, further augmenting their appropriateness for crucible construction.
- Q:Can insulating fire bricks be used in the construction of lime recovery kilns?
- Yes, insulating fire bricks can be used in the construction of lime recovery kilns. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for such applications. They help to conserve energy and maintain the desired temperature within the kiln, enhancing the efficiency of the lime recovery process.
- Q:Can insulating fire bricks be used for insulation in chemical storage tanks?
- Yes, insulating fire bricks can be used for insulation in chemical storage tanks. Insulating fire bricks are specifically designed to provide high levels of thermal insulation, making them suitable for various industrial applications, including chemical storage tanks. These bricks have excellent insulating properties due to their low thermal conductivity, which helps to minimize heat transfer and maintain a stable temperature inside the tank. Additionally, insulating fire bricks are resistant to high temperatures and can withstand the corrosive nature of many chemicals, making them a suitable choice for insulating chemical storage tanks.
- Q:Are insulating fire bricks suitable for insulation in cryogenic applications?
- Yes, insulating fire bricks are suitable for insulation in cryogenic applications. Insulating fire bricks have excellent thermal insulation properties, low thermal conductivity, and can withstand extremely low temperatures. This makes them ideal for use in cryogenic applications where insulation is required to maintain the low temperature of the system.
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Refractory Mullite Insulating Refractory Brick JM 28
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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