Refractory Mullite Insulating Refractory Brick JM 32
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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:Do insulating fire bricks require any special anchors or supports for installation?
- Yes, insulating fire bricks typically do not require any special anchors or supports for installation. They are lightweight and can be easily stacked or laid in place without additional reinforcement.
- Q:Can insulating fire bricks be used in biomass power plants?
- Yes, insulating fire bricks can be used in biomass power plants. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining furnaces and boilers in biomass power plants. They help to increase energy efficiency by minimizing heat loss, ensuring optimal combustion, and reducing the overall energy consumption of the plant.
- Q:Do insulating fire bricks require special handling?
- Yes, insulating fire bricks do require special handling. These bricks are made from lightweight refractory materials and are designed to withstand high temperatures. Due to their fragile nature, they should be handled with care to prevent breakage or damage. It is recommended to use proper lifting and carrying techniques, such as wearing gloves and using tongs or lifters, to avoid accidents or injuries. Additionally, insulating fire bricks should be stored in a dry and protected area to prevent moisture absorption, which can affect their thermal properties.
- 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:Are insulating fire bricks resistant to acid attack?
- Yes, insulating fire bricks are generally resistant to acid attack. Insulating fire bricks are made from materials that can withstand high temperatures and are designed to provide excellent insulation properties. These bricks are typically made from lightweight refractory materials such as alumina, silica, and other refractory oxides. These materials are known for their resistance to chemical corrosion, including acids. However, it is important to note that the resistance of insulating fire bricks to acid attack can vary depending on the specific composition and manufacturing process of the bricks. Some bricks may have higher resistance to acids compared to others. Therefore, it is recommended to consult the manufacturer or supplier for specific information on the acid resistance of their insulating fire bricks. In general, insulating fire bricks are commonly used in applications where they may come into contact with acids, such as in industrial furnaces, kilns, and other high-temperature environments. They are known for their durability and ability to withstand harsh chemical environments, including exposure to acids. However, it is always important to consider the specific chemical composition and concentration of the acids involved, as well as the temperature conditions, when determining the suitability of insulating fire bricks for a particular application.
- Q:What is the typical creep resistance of an insulating fire brick?
- The typical creep resistance of an insulating fire brick is high, as it is designed to withstand high temperatures without deforming or sagging over time.
- Q:Can insulating fire bricks be used in brick kilns?
- Yes, insulating fire bricks can be used in brick kilns. Insulating fire bricks are designed to have high thermal resistance, which makes them an ideal choice for insulating the walls of a brick kiln. These bricks can withstand extremely high temperatures and help to maintain consistent heat levels within the kiln. By using insulating fire bricks, the heat loss from the kiln is minimized, resulting in improved energy efficiency and reduced fuel consumption. Additionally, the use of insulating fire bricks can also help to protect the outer layers of the kiln from excessive heat, preventing damage and prolonging the lifespan of the kiln. Overall, insulating fire bricks are a suitable and effective choice for use in brick kilns.
- Q:How long do insulating fire bricks typically last?
- Insulating fire bricks, also known as IFBs, can last for several years depending on various factors such as the quality of the bricks, the conditions they are exposed to, and the level of maintenance they receive. Generally, well-made insulating fire bricks can last anywhere from 10 to 20 years or even longer with proper care. The longevity of insulating fire bricks is influenced by the temperature they are exposed to. IFBs are designed to withstand high temperatures, typically ranging from 2,000 to 3,200 degrees Fahrenheit (1,093 to 1,760 degrees Celsius). However, extreme and prolonged exposure to these high temperatures can gradually degrade and weaken the bricks, shortening their lifespan. Other factors that can affect the lifespan of insulating fire bricks include thermal cycling, chemical exposure, and mechanical stress. Repeated heating and cooling cycles can cause expansion and contraction, leading to cracks and eventual failure. Chemicals present in certain applications, such as acids or alkalis, can corrode the bricks over time. Additionally, excessive pressure or impact can cause the bricks to break or chip, reducing their effectiveness. Proper maintenance and care can significantly extend the lifespan of insulating fire bricks. Regular inspections should be conducted to identify any signs of wear, damage, or deterioration. Cracked or damaged bricks should be replaced promptly to prevent further issues. It is also crucial to clean the bricks regularly to remove any accumulated debris or residues that can potentially compromise their insulating properties. Ultimately, the lifespan of insulating fire bricks depends on a combination of factors and can vary in different applications. However, with careful selection, proper installation, and regular maintenance, insulating fire bricks can provide reliable insulation and longevity for many years.
- Q:Can insulating fire bricks be used for insulation in walls or roofs?
- Insulating fire bricks are primarily designed for use in high-temperature applications, such as furnaces, kilns, and fireplaces. While they offer excellent thermal insulation properties, they may not be the best choice for insulation in walls or roofs of residential or commercial buildings. Insulating fire bricks are often made from lightweight refractory materials, such as ceramic fibers or expanded clay. These materials are highly resistant to heat, but they may not provide sufficient insulation against cold temperatures or moisture. Additionally, their structural integrity may not be suitable for load-bearing applications or other requirements specific to walls or roofs. For insulation in walls or roofs, it is generally recommended to use materials specifically designed for building insulation purposes, such as fiberglass batts, spray foam insulation, or rigid foam boards. These materials are better suited to provide both thermal and moisture resistance, as well as meet the necessary structural requirements. In summary, while insulating fire bricks may offer excellent thermal insulation properties, they are not typically recommended for use in walls or roofs. It is advisable to consult with a building professional or insulation specialist to determine the most suitable insulation materials for your specific needs.
- Q:Are insulating fire bricks suitable for insulation in gas turbines?
- Insulating fire bricks are not typically suitable for insulation in gas turbines. While they are excellent for high-temperature insulation applications, such as in furnaces and kilns, gas turbines operate at even higher temperatures and require specialized insulation materials. Gas turbines typically utilize thermal barrier coatings, ceramic fiber blankets, or other advanced insulation materials that can withstand the extreme heat and pressure conditions within the turbine. These materials are specifically engineered to provide excellent thermal insulation while also offering other properties such as erosion resistance, low thermal conductivity, and high mechanical strength. Therefore, while insulating fire bricks have their merits in certain applications, they are not the ideal choice for insulation in gas turbines.
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Refractory Mullite Insulating Refractory Brick JM 32
- 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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