Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick
- 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
- Q: Do insulating fire bricks have a high insulating efficiency?
- Yes, insulating fire bricks have a high insulating efficiency. They are specially designed to minimize heat transfer and are effective in preventing heat loss or gain.
- Q: Can insulating fire bricks be used in the construction of ceramic tile kilns?
- Yes, insulating fire bricks can be used in the construction of ceramic tile kilns. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They have low thermal conductivity, which means they help to retain heat within the kiln and prevent it from escaping, resulting in more efficient and effective firing of ceramic tiles. Additionally, their lightweight nature makes them easy to handle and install in the kiln structure. Overall, using insulating fire bricks in the construction of ceramic tile kilns can help improve energy efficiency, reduce heat loss, and ensure consistent and controlled firing temperatures.
- Q: Can insulating fire bricks be used in the construction of combustion flues?
- Insulating fire bricks are indeed suitable for the construction of combustion flues. Their high temperature resistance makes them perfect for environments that require heat resistance. Combustion flues face extreme heat and gases produced during combustion, but insulating fire bricks can safeguard the flue structure from intense heat and prevent heat loss. Furthermore, these bricks have low thermal conductivity, which effectively insulates and retains heat within the flue. As a result, the combustion process becomes more efficient, reducing energy waste. Ultimately, incorporating insulating fire bricks into the construction of combustion flues can enhance the safety, efficiency, and durability of the flue system.
- Q: Do insulating fire bricks have a high insulating capacity?
- Yes, insulating fire bricks have a high insulating capacity. These bricks are specifically designed to have excellent thermal insulation properties, making them highly effective at preventing heat transfer. They are made from lightweight materials such as ceramic fibers, which have low thermal conductivity. This means that insulating fire bricks can effectively trap and retain heat, preventing it from escaping and keeping the surrounding area insulated. Due to their high insulating capacity, these bricks are commonly used in applications where heat retention and energy efficiency are important, such as in furnaces, kilns, and fireplaces.
- Q: Are insulating fire bricks resistant to thermal radiation?
- Indeed, insulating fire bricks exhibit resistance to thermal radiation. These bricks possess a unique design that grants them outstanding thermal insulation properties, enabling them to effectively combat and minimize heat transfer via radiation. Typically composed of materials like alumina, silica, or fire clay, which boast high melting points and low thermal conductivity, insulating fire bricks possess the ideal attributes to withstand elevated temperatures and impede the transmission of thermal energy through radiation. Consequently, they serve as an appropriate option for various applications necessitating thermal insulation, including kilns, furnaces, and fireplaces.
- Q: Can insulating fire bricks be used in space heating applications?
- Yes, insulating fire bricks can be used in space heating applications. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in heating systems where retaining heat is important. They can help increase the efficiency of space heating applications by reducing heat loss and ensuring more effective heat transfer.
- Q: Can insulating fire bricks be used in aluminum smelting furnaces?
- Yes, insulating fire bricks can be used in aluminum smelting furnaces. These bricks have high insulating properties and can withstand the high temperatures required for aluminum smelting. They help to maintain the heat within the furnace, improve energy efficiency, and reduce heat loss, making them suitable for use in such furnaces.
- Q: Can insulating fire bricks be used in the construction of thermal insulation walls?
- Yes, insulating fire bricks can be used in the construction of thermal insulation walls. Insulating fire bricks are specially designed bricks that have a low thermal conductivity, which means they are excellent at preventing the transfer of heat. This makes them ideal for use in thermal insulation applications. When constructing thermal insulation walls, insulating fire bricks can be used as the primary material or in conjunction with other insulation materials such as foam boards or mineral wool. These bricks are typically lightweight, which makes them easier to handle and install. They also have high temperature resistance, allowing them to withstand the heat generated by fireplaces, ovens, or other heat-producing appliances. Insulating fire bricks offer several benefits for thermal insulation walls. They help to minimize heat loss or gain, thereby improving energy efficiency in buildings. They also help to reduce noise transmission, making them suitable for soundproofing applications. It is important to note that insulating fire bricks may not be suitable for all types of walls or building structures. Factors such as building codes, environmental conditions, and specific requirements of the project should be considered when determining if insulating fire bricks are the appropriate choice for thermal insulation walls. Consulting with a professional architect or engineer is recommended to ensure the best insulation solution for a specific construction project.
- Q: Do insulating fire bricks require any special curing or firing temperature profiles?
- Special curing and firing temperature profiles are indeed necessary for insulating fire bricks. These bricks are made from lightweight materials like perlite, vermiculite, or alumina silicate, all of which possess exceptional insulating properties. Their design enables them to endure high temperatures while providing superior thermal insulation. Throughout the manufacturing process, insulating fire bricks undergo a curing procedure to eliminate any moisture content. This is typically achieved by gradually raising the temperature in a controlled manner. The curing process is essential to prevent any potential cracking or damage that may occur if the bricks were subjected to high temperatures too quickly. When it comes to firing temperature profiles, careful consideration is required for insulating fire bricks. They are specifically designed for applications where temperatures can reach up to 2800°F (1538°C). Therefore, it is crucial to adhere to the recommended firing temperature profiles provided by the manufacturer. The firing temperature profile usually involves a gradual increase in temperature to allow the insulating fire bricks to reach the desired maximum temperature without experiencing any thermal shock or damage. This gradual heating process ensures that the bricks are adequately cured and capable of withstanding the extreme temperatures they will encounter during use. It is worth noting that the specific curing and firing temperature profiles may vary depending on the type and composition of the insulating fire bricks. Consequently, it is vital to consult the manufacturer's guidelines and recommendations to ensure the proper curing and firing process for the specific type of insulating fire bricks being utilized.
- Q: Do insulating fire bricks have a high compressive strength?
- Insulating fire bricks are known for their high compressive strength. These bricks are crafted from unique refractory materials, specially engineered to endure extreme temperatures and mechanical strain. Consequently, they possess exceptional compressive strength, enabling them to support substantial weights without any fissures or fractures. The remarkable compressive strength of insulating fire bricks renders them perfect for situations where structural integrity is paramount, such as in furnaces, kilns, and various industrial equipment operating at high temperatures.
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Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick
- 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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