Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 27
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- 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 in the construction of ceramic fiber-lined kilns?
- Indeed, the utilization of insulating fire bricks is possible for the construction of ceramic fiber-lined kilns. These specialized bricks are purposely designed to deliver exceptional insulation, rendering them ideal for situations that prioritize heat retention. By combining them with ceramic fiber lining, insulating fire bricks contribute to enhanced energy efficiency and diminished heat dissipation within kilns. Moreover, their lightweight nature and ease of handling facilitate simpler installation and construction of the kiln. Ultimately, the incorporation of insulating fire bricks in the construction of ceramic fiber-lined kilns positively impacts the kiln's overall performance and efficiency.
- Q: Can insulating fire bricks be used as a structural material?
- Insulating fire bricks are primarily designed to provide thermal insulation in high-temperature environments such as furnaces, kilns, and fireplaces. While they have excellent insulation properties, they are not typically recommended for use as a structural material in load-bearing applications. Insulating fire bricks are made from lightweight refractory materials that are designed to minimize heat transfer. They have low density and are generally not as strong or durable as standard bricks or other structural materials. They are more prone to cracking, especially under heavy loads or mechanical stress. If used as a structural material, insulating fire bricks may not be able to support the weight or withstand the forces that traditional structural materials are designed to handle. This could lead to structural failure, compromising the safety and integrity of the building or structure. It is important to consult with a structural engineer or building professional to determine the appropriate materials for your specific project. They will take into consideration factors such as load requirements, safety regulations, and durability to ensure that the chosen structural materials are suitable and meet the necessary standards. In conclusion, while insulating fire bricks are effective for thermal insulation purposes, they are generally not recommended for use as a structural material due to their lower strength and durability compared to traditional structural materials.
- Q: Can insulating fire bricks be used in high-temperature insulation applications?
- Yes, insulating fire bricks can be used in high-temperature insulation applications. Insulating fire bricks are designed to withstand and retain heat at elevated temperatures. They have low thermal conductivity and high insulation properties, making them ideal for use in applications where high temperatures need to be contained and insulated. These bricks are commonly used in industries such as steel, glass, and ceramics, as well as in furnaces, kilns, and other high-temperature equipment. Insulating fire bricks provide a reliable and efficient solution for insulation in high-temperature environments, helping to maintain heat and reduce energy loss.
- Q: Can insulating fire bricks be used in chimneys and fireplaces?
- Yes, insulating fire bricks can be used in chimneys and fireplaces. Insulating fire bricks are specially designed to withstand high temperatures and provide excellent insulation. They are made from lightweight materials, such as ceramic fibers or refractory materials, which help to minimize heat transfer. This makes them an ideal choice for lining chimneys and fireplaces, as they can help to keep the heat inside the firebox and prevent it from escaping through the chimney. Additionally, insulating fire bricks can also help to improve the efficiency of the heating system by reducing heat loss and improving the overall heat output. However, it is important to note that insulating fire bricks should only be used in the appropriate areas of the chimney or fireplace, such as the firebox, and not in the smoke chamber or flue, as these areas require different types of bricks that can withstand the corrosive effects of the flue gases.
- Q: Can insulating fire bricks be used in the construction of heat storage systems?
- Insulating fire bricks have the potential to be utilized in the construction of heat storage systems. These bricks are specifically designed to possess low thermal conductivity, enabling them to effectively trap and retain heat. They are typically composed of materials such as fire clay, which possess exceptional insulation properties. By incorporating insulating fire bricks, it becomes feasible to minimize heat loss, thereby facilitating efficient heat storage and retention within the system. These bricks can be employed to construct the walls and lining of the heat storage system, ensuring that the stored heat does not dissipate into the surroundings. Furthermore, insulating fire bricks are lightweight and easily manageable, rendering them a convenient option for the construction of heat storage systems. Ultimately, the utilization of insulating fire bricks significantly enhances the thermal efficiency of heat storage systems, consequently contributing to more effective heat management.
- Q: Are insulating fire bricks resistant to molten metals?
- Yes, insulating fire bricks are generally resistant to molten metals. They are specifically designed to withstand high temperatures and provide insulation, making them suitable for applications involving molten metals.
- Q: Are insulating fire bricks resistant to salt attack?
- Insulating fire bricks do not typically possess resistance against salt attack, which refers to the deterioration and corrosion of materials caused by salt or saltwater exposure. Although insulating fire bricks are engineered to have exceptional thermal insulation properties, they are not specifically formulated to endure the damaging effects of salt. Salt attack has the potential to weaken the structure of the bricks, leading to a decrease in their performance and durability over time. If these bricks are consistently exposed to salt or saltwater, it is probable that their degradation will be hastened, making them unreliable for long-term use in such environments. To ensure resilience against salt attack, it is advised to utilize refractory materials specially designed for this purpose, such as salt-resistant fire bricks or refractories with a higher alumina content. These materials have been developed to withstand the corrosive impacts of salt and are better suited for applications where exposure to salt or saltwater is anticipated.
- Q: Do insulating fire bricks require any special fireproof coatings?
- Special fireproof coatings are not necessary for insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures and offer exceptional insulation without the need for extra coatings. They are crafted from refractory materials with elevated heat resistance and minimal thermal conductivity. Insulating fire bricks find wide usage in kilns, furnaces, fireplaces, and similar high-temperature settings that demand insulation. Their inherent properties enable them to withstand intense heat without requiring any further coatings or treatments.
- Q: How do insulating fire bricks compare to other insulation materials like ceramic fiber?
- Insulating fire bricks, otherwise referred to as refractory bricks, are solid and dense bricks composed of various refractory materials such as clay, alumina, and silica. They possess exceptional thermal conductivity and resistance to high temperatures, making them highly durable. These bricks are frequently utilized in industrial furnaces, kilns, and fireplaces to provide insulation and retain heat. On the contrary, ceramic fiber is a lightweight and flexible insulation material made from a combination of alumina-silica and other refractory materials. It is obtainable in various forms like blankets, boards, and modules, allowing for easy cutting and shaping to serve insulation purposes. Ceramic fiber exhibits excellent thermal resistance, low thermal conductivity, and is commonly employed in applications where flexibility and ease of installation are of importance, such as boilers, ovens, and piping systems. Regarding thermal insulation properties, both insulating fire bricks and ceramic fiber possess high heat resistance and low thermal conductivity, enabling them to efficiently prevent heat transfer and retain heat. Nevertheless, insulating fire bricks possess higher density and solidity, rendering them more durable and better suited for heavy-duty applications where mechanical strength is necessary. Conversely, ceramic fiber is lighter in weight and more flexible, facilitating easier installation and exhibiting superior resistance to thermal shock. In terms of cost, insulating fire bricks tend to be pricier when compared to ceramic fiber, primarily due to disparities in manufacturing processes and raw materials used. Insulating fire bricks necessitate high-temperature firing and are made from higher-cost raw materials, while ceramic fiber is produced via a melt-spinning process, making it a more cost-effective option. Ultimately, the selection between insulating fire bricks and ceramic fiber is contingent upon the specific requirements of the application. Insulating fire bricks are ideal for heavy-duty and high-temperature applications that demand durability and mechanical strength, whereas ceramic fiber is better suited for applications that require flexibility, ease of installation, and resistance to thermal shock.
- Q: Can insulating fire bricks be used in blast furnaces?
- Yes, insulating fire bricks can be used in blast furnaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for lining the walls of blast furnaces. Their insulation properties help to minimize heat loss and improve energy efficiency in the furnace, ultimately enhancing the overall performance and productivity of the blast furnace.
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 27
- 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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