• Refractory Mullite Insulating Refractory Brick JM 32 System 1
  • Refractory Mullite Insulating Refractory Brick JM 32 System 2
  • Refractory Mullite Insulating Refractory Brick JM 32 System 3
  • Refractory Mullite Insulating Refractory Brick JM 32 System 4
Refractory Mullite Insulating Refractory Brick JM 32

Refractory Mullite Insulating Refractory Brick JM 32

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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 32

Refractory Mullite Insulating Refractory Brick JM 32

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 refractory castings?
Indeed, refractory castings can incorporate insulating fire bricks. Due to their lightweight nature and exceptional insulation abilities, insulating fire bricks are ideal for tasks that demand thermal insulation. Such tasks include the creation of linings in furnaces, kilns, and other equipment that operates at high temperatures. To achieve thermal insulation and minimize heat loss, insulating fire bricks can be utilized either as a layer or as an element within the refractory casting mixture. Furthermore, their low thermal conductivity aids in reducing energy consumption and sustaining elevated temperatures within the casting.
Q: Are insulating fire bricks suitable for use in chimneys and fireplaces?
Chimneys and fireplaces can benefit from the use of insulating fire bricks. These bricks are specifically designed to endure high temperatures and offer superb thermal insulation. They are crafted from lightweight materials, such as ceramic fibers or lightweight aggregates, aiding in heat retention and preventing heat loss. Consequently, they are well-suited for lining chimneys and fireplaces, as they are capable of effectively trapping and emitting heat, resulting in increased energy efficiency. Moreover, insulating fire bricks possess low thermal conductivity, enabling them to resist cracking and spalling that may occur due to sudden changes in temperature. This ensures their longevity and durability. Overall, insulating fire bricks are a dependable and efficient choice for bolstering the performance and safety of chimneys and fireplaces.
Q: Can insulating fire bricks be used in high-velocity gas flow applications?
Yes, insulating fire bricks can be used in high-velocity gas flow applications. Insulating fire bricks are designed to have excellent thermal insulation properties, low thermal conductivity, and high resistance to temperature fluctuations. These characteristics make them suitable for various high-temperature applications, including high-velocity gas flow environments. When exposed to high-velocity gas flow, insulating fire bricks can maintain their structural integrity and insulation properties, providing effective thermal insulation and protection. They are often used in applications such as kilns, furnaces, boilers, and other industrial equipment where high-velocity gas flow is present. However, it is important to consider the specific requirements and characteristics of the gas flow in the application. Factors such as temperature, pressure, and chemical composition of the gas should be taken into account to ensure that the insulating fire bricks are compatible and can withstand the conditions. In summary, insulating fire bricks can be used in high-velocity gas flow applications due to their thermal insulation properties and resistance to temperature fluctuations. However, it is crucial to consider the specific requirements and characteristics of the gas flow to ensure proper compatibility and performance.
Q: Can insulating fire bricks be cut or shaped as needed?
Yes, insulating fire bricks can be cut or shaped as needed. They are typically made from lightweight materials such as ceramic fibers, which can be easily cut using a saw or other cutting tools. Additionally, they can be shaped using a knife or sandpaper to achieve the desired form.
Q: Can insulating fire bricks be used for high-temperature insulation?
Yes, insulating fire bricks can be used for high-temperature insulation. These bricks are specially designed to withstand extreme temperatures, making them suitable for insulation in applications such as kilns, furnaces, and fireplaces. They have excellent thermal conductivity and can effectively reduce heat loss, making them an ideal choice for high-temperature insulation needs.
Q: Can insulating fire bricks be used in the construction of refractory linings?
Yes, insulating fire bricks can be used in the construction of refractory linings. Insulating fire bricks have excellent thermal insulation properties, low thermal conductivity, and high refractoriness, making them suitable for applications where heat retention and energy efficiency are important. They are commonly used in industries such as steel, ceramics, glass, and cement to line kilns, furnaces, and other high-temperature equipment.
Q: How do insulating fire bricks affect the overall thermal stability of a structure?
The overall thermal stability of a structure is greatly enhanced by insulating fire bricks. These bricks are designed to have low thermal conductivity, which effectively minimizes heat transfer between different parts of the structure. The use of insulating fire bricks significantly reduces the amount of heat that can escape or enter a structure, resulting in improved thermal stability. In cold weather, these bricks prevent heat from escaping, keeping the interior warm and reducing the need for excessive heating. Conversely, in hot weather, they prevent the entry of external heat, helping to keep the interior cool and reducing the need for excessive cooling. The low thermal conductivity of insulating fire bricks also helps maintain a consistent temperature within the structure. This is especially important in areas with significant temperature fluctuations, as it regulates the internal climate and enhances comfort for occupants. Furthermore, insulating fire bricks are highly resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. By providing a stable and durable barrier against extreme temperatures, these bricks contribute to the overall thermal stability of a structure, ensuring its longevity and reliability. In conclusion, insulating fire bricks positively impact the thermal stability of a structure by minimizing heat transfer, maintaining consistent temperatures, and withstanding thermal shock. Their use greatly enhances the comfort, energy efficiency, and durability of a building.
Q: The structural specification does not indicate that masonry needs insulation bricks. Is it necessary to use insulation bricks?
Look at the exterior wall insulation design, construction practices and related requirements
Q: Can insulating fire bricks be used in heat treatment furnaces?
Indeed, heat treatment furnaces can make use of insulating fire bricks. These bricks are specifically engineered to possess a low thermal conductivity, enabling them to endure elevated temperatures while minimizing the dissipation of heat. This quality renders them ideal for deployment in heat treatment furnaces, where the preservation of a stable temperature is vital for the triumphant execution of the heat treatment procedure. Moreover, insulating fire bricks exhibit exceptional insulating attributes, thereby curtailing energy usage and enhancing the overall efficiency of the heat treatment furnace. Consequently, the utilization of insulating fire bricks in heat treatment furnaces is a prevalent practice across diverse industries.
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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