• Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick System 1
  • Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick System 2
  • Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick System 3
Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick

Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick

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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       Densityg/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

Refractory Mullite Insulating Refractory Brick JM 36

 


Q:Can insulating fire bricks be used in the construction of ceramic tile kilns?
Insulating fire bricks are suitable for constructing ceramic tile kilns. These bricks are specially designed to endure elevated temperatures and possess exceptional insulation properties. By having low thermal conductivity, they effectively trap heat inside the kiln, preventing its escape and enhancing the firing process of ceramic tiles. Moreover, their lightweight quality makes them convenient to handle and install within the kiln structure. Ultimately, incorporating insulating fire bricks in the construction of ceramic tile kilns enhances energy efficiency, diminishes heat loss, and guarantees consistent and regulated firing temperatures.
Q:Can insulating fire bricks be used in the construction of lime production ovens?
Yes, insulating fire bricks can be used in the construction of lime production ovens. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. Lime production ovens require materials that can withstand the extreme heat generated during the process of converting limestone into lime. Insulating fire bricks not only have a high heat resistance, but they also have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency in the lime production process. Additionally, insulating fire bricks are lightweight and easy to handle, making them suitable for the construction of lime production ovens.
Q:Are insulating fire bricks safe to use?
Insulating fire bricks are generally safe to use when used properly and in accordance with the manufacturer's instructions. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for applications such as lining kilns, furnaces, and fireplaces. Insulating fire bricks are made from lightweight materials such as alumina, silica, and other refractory materials. They are designed to minimize heat transfer, thus preventing the escape of heat from the enclosed area. This not only improves the energy efficiency of the system but also enhances safety by reducing the risk of overheating and potential fires. When using insulating fire bricks, it is essential to ensure that they are installed correctly and securely. Proper installation includes providing adequate support and reinforcement to prevent collapse or shifting of the bricks. Additionally, it is crucial to use appropriate mortar or refractory cement to join the bricks together, ensuring a strong and stable structure. While insulating fire bricks themselves are considered safe, it is important to note that they may contain small amounts of trace elements or materials that can be harmful if released into the environment. Therefore, it is recommended to follow the manufacturer's safety guidelines, such as wearing gloves, goggles, and a dust mask when handling the bricks. Overall, insulating fire bricks are a safe and reliable choice for insulation in high-temperature applications. However, it is important to take necessary precautions during installation and follow safety guidelines to ensure their proper and safe use.
Q:Are insulating fire bricks suitable for use in aluminum smelting furnaces?
Insulating fire bricks are typically unsuitable for aluminum smelting furnaces as they are designed to retain heat rather than withstand extreme temperatures. Aluminum smelting requires temperatures exceeding 1,000 degrees Celsius, making refractory fire bricks or refractory castables more appropriate. These materials have high melting points and can endure the intense heat without compromising their structural integrity. They also possess excellent thermal shock resistance, which is crucial due to rapid temperature fluctuations in the furnace during operation. Furthermore, refractory materials used in aluminum smelting furnaces should exhibit resistance to corrosion and chemical attack from molten aluminum and other substances involved in the smelting process. Insulating fire bricks may lack the necessary chemical resilience, potentially resulting in premature degradation and failure of the furnace lining. In conclusion, although insulating fire bricks may be suitable for applications requiring thermal insulation, they are generally not recommended for use in aluminum smelting furnaces. Refractory fire bricks or refractory castables are better suited for this chemically aggressive and high-temperature environment.
Q:Can insulating fire bricks be used as insulation in walls and roofs?
Insulation in walls and roofs can be achieved by utilizing insulating fire bricks. These bricks are constructed from lightweight materials that possess exceptional thermal insulation properties. Their thermal conductivity is low, allowing them to effectively minimize heat transfer through walls and roofs. Consequently, they are a fitting selection for enhancing energy efficiency and insulating buildings. Furthermore, insulating fire bricks are both long-lasting and fire-resistant, rendering them a secure choice for insulation. Nevertheless, it is crucial to acknowledge that these bricks are typically employed in high-temperature environments such as furnaces and kilns. Thus, they might not be the most economical or practical option for all wall and roof insulation requirements. In terms of cost, installation ease, and overall performance, other insulation materials specifically designed for building applications may be more appropriate.
Q:Are insulating fire bricks chemically resistant?
Insulating fire bricks are generally chemically resistant to a wide range of substances. These bricks are typically made from high-quality refractory materials such as alumina, silica, or a combination of both. These materials have excellent resistance to chemical attack, making insulating fire bricks highly resistant to the corrosive effects of various chemicals. However, it is important to note that the chemical resistance of insulating fire bricks can vary depending on the specific composition and manufacturing process. While they are generally resistant to most chemicals, there may be certain aggressive chemicals or extreme conditions that could potentially degrade or erode the bricks over time. To ensure the optimal chemical resistance of insulating fire bricks, it is recommended to consult the manufacturer's specifications or seek expert advice for specific applications. This will help ensure that the bricks are suitable for the intended chemical environment and will perform reliably over the desired lifespan.
Q:Can insulating fire bricks be used in the construction of brick kilns?
Yes, insulating fire bricks can be used in the construction of brick kilns. Insulating fire bricks are specifically designed to have high thermal resistance, which makes them ideal for applications where insulation is required. In brick kilns, insulating fire bricks can be used to line the walls, floor, and roof of the kiln, helping to retain heat and improve energy efficiency. These bricks are capable of withstanding high temperatures and can provide insulation against the heat generated during the firing process. Additionally, insulating fire bricks can also help reduce heat loss, resulting in faster and more efficient firing cycles. Overall, using insulating fire bricks in the construction of brick kilns can enhance their performance and contribute to more effective and sustainable kiln operation.
Q:What is the cost of insulating fire bricks?
The cost of insulating fire bricks can vary depending on various factors such as the quantity needed, the quality of the bricks, and the supplier. On average, insulating fire bricks can range from $2 to $5 per brick. However, the price can go higher for specialty bricks or those with specific features such as higher insulation ratings or increased durability. It is always recommended to obtain quotes from multiple suppliers to compare prices and ensure the best value for money.
Q:Can insulating fire bricks be used for insulation in power plants?
Insulating fire bricks have proven themselves to be effective for insulation purposes in power plants. These bricks are specifically designed to possess exceptional thermal insulation properties, making them highly suitable for applications involving high temperatures. They can endure extreme temperatures and effectively insulate power plant operations, thus preventing heat loss and enhancing energy efficiency. In power plants, insulating fire bricks find extensive usage in various areas, including furnaces, boilers, kilns, and chimneys. They can be utilized to line the walls, floors, and roofs of these structures, aiming to minimize heat transfer and maintain optimal temperatures within the equipment. The utilization of insulating fire bricks in power plants offers numerous benefits. These bricks aid in reducing heat loss, enhancing combustion efficiency, and alleviating thermal stress on the equipment. They create a barrier against heat transfer, thereby conserving energy and minimizing operational expenses. Moreover, their insulation properties contribute to a safer working environment for power plant personnel. Nevertheless, it is important to exercise caution when selecting insulating fire bricks for power plant insulation. The specific requirements and conditions of the power plant should be carefully considered. Factors such as operating temperature, exposure to chemicals, and mechanical stress should be taken into account to ensure that the bricks are capable of withstanding harsh conditions and delivering long-lasting insulation performance.
Q:Can insulating fire bricks be used for insulation in power plants?
Yes, insulating fire bricks can be used for insulation in power plants. Insulating fire bricks are designed to have excellent thermal insulation properties, which make them suitable for high-temperature applications. They can withstand extreme temperatures and provide effective insulation to prevent heat loss and increase energy efficiency in power plant operations. The insulating fire bricks are often used in various areas of power plants, such as furnaces, boilers, kilns, and chimneys. They can be used to line the walls, floors, and roofs of these structures to reduce heat transfer and maintain the desired temperatures inside the equipment. In power plants, insulating fire bricks help to minimize heat loss, improve combustion efficiency, and reduce thermal stress on the equipment. By providing a barrier against heat transfer, they help in conserving energy and reducing operational costs. Additionally, the insulation properties of these bricks also contribute to a safer working environment for power plant personnel. It's worth noting that while insulating fire bricks are suitable for insulation in power plants, they should be selected carefully based on the specific requirements and conditions of the power plant. Factors such as the operating temperature, chemical exposure, and mechanical stress should be considered to ensure the bricks can withstand the harsh conditions and provide long-lasting insulation performance.

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