• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40

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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 40

Refractory Mullite Insulating Refractory Brick JM 40


Q: How do insulating fire bricks help improve the efficiency of heat treatment processes?
Insulating fire bricks play a crucial role in improving the efficiency of heat treatment processes. These bricks are specially designed to have low thermal conductivity, which means they are excellent at insulating against heat transfer. This insulation property helps to minimize heat loss and maintain high temperatures within the heat treatment furnaces or kilns. By using insulating fire bricks, the heat treatment process can achieve higher temperatures more efficiently. The bricks act as a barrier, preventing the heat from escaping the furnace and ensuring that it remains concentrated inside. This not only enhances the overall energy efficiency of the heat treatment process but also reduces the need for excessive fuel consumption. Furthermore, insulating fire bricks also contribute to a reduction in the heating time required for the heat treatment process. Due to their low thermal conductivity, they minimize the heat loss to the surrounding environment, allowing the furnace to reach the desired temperature quickly. This not only saves time but also reduces the energy consumption associated with prolonged heating. In addition to thermal insulation, insulating fire bricks also provide mechanical strength and durability. They can withstand high temperatures without undergoing significant structural changes or damage. This ensures that the bricks maintain their insulating properties over an extended period, allowing for consistent and efficient heat treatment processes. Moreover, the use of insulating fire bricks helps to create a more controlled and stable thermal environment within the furnace or kiln. Their insulation properties prevent temperature fluctuations and hotspots, ensuring uniform heat distribution throughout the treatment process. This stability is crucial for achieving consistent and high-quality results in heat treatment applications. In conclusion, insulating fire bricks are essential in improving the efficiency of heat treatment processes. Their low thermal conductivity, ability to minimize heat loss, and capacity to withstand high temperatures contribute to reduced energy consumption, faster heating times, and improved temperature control. By incorporating these bricks, heat treatment operations can achieve higher efficiency, lower costs, and more consistent results.
Q: Can insulating fire bricks be used in the construction of pottery ovens?
Yes, insulating fire bricks can be used in the construction of pottery ovens. These bricks are designed to withstand high temperatures and provide excellent insulation, making them an ideal choice for pottery ovens where heat retention is crucial for efficient and consistent firing of pottery.
Q: Can insulating fire bricks be used in the construction of lime calciners?
Yes, insulating fire bricks can be used in the construction of lime calciners. Insulating fire bricks are known for their high heat resistance and low thermal conductivity, making them suitable for applications that require insulation and protection against extreme temperatures. In lime calciners, which are used to heat limestone to produce lime, the use of insulating fire bricks can help maintain the desired temperature inside the calciner while minimizing heat loss to the surroundings.
Q: Can insulating fire bricks be installed in both industrial and residential settings?
Insulating fire bricks can be utilized in both industrial and residential environments. These bricks are specifically engineered to endure extreme temperatures and offer superb insulation, rendering them appropriate for various purposes. In industrial settings, insulating fire bricks are frequently employed in furnaces, kilns, and ovens, as they aid in conserving energy and ensuring stable temperatures. In residential settings, they can be employed in fireplaces, wood-burning stoves, and pizza ovens, enhancing heat retention and promoting safety. Due to their versatility and durability, insulating fire bricks are a dependable option for installations in both industrial and residential settings.
Q: Can insulating fire bricks be used as a refractory lining material?
Yes, insulating fire bricks can be used as a refractory lining material. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively insulate against heat transfer. This makes them suitable for applications where high temperatures need to be maintained or controlled, such as in kilns, furnaces, and industrial ovens. Refractory lining materials are used to protect the structure of these high-temperature environments from the extreme heat generated inside. They need to be able to withstand the thermal shocks, chemical reactions, and mechanical stresses that occur during operation. Insulating fire bricks offer excellent thermal insulation properties, as well as high temperature resistance, making them an ideal choice for refractory lining applications. In addition to their insulating properties, insulating fire bricks also have low density, making them lightweight and easier to handle and install. This can be beneficial in applications where weight is a concern or where refractory linings need to be replaced or repaired frequently. It is important to note that the specific type and composition of insulating fire bricks may vary, and different applications may require different properties. Therefore, it is essential to consult with a refractory engineer or supplier to ensure the chosen insulating fire bricks are suitable for the specific requirements of the application.
Q: Can insulating fire bricks be used in the construction of glass bottle production furnaces?
Yes, insulating fire bricks can be used in the construction of glass bottle production furnaces. Insulating fire bricks have high thermal resistance and low thermal conductivity, making them ideal for use in furnaces where high temperatures need to be maintained. Additionally, they help to reduce heat loss, improve energy efficiency, and provide insulation against heat transfer, which is crucial in glass bottle production.
Q: Can insulating fire bricks be used in the construction of boilers for steam generation?
Indeed, insulating fire bricks possess the capability to be employed in the manufacturing process of steam-generating boilers. These bricks are purposefully engineered to possess a meager thermal conductivity, thereby mitigating heat dissipation and enhancing the boiler's overall energy efficiency. In practice, they are frequently utilized in the construction of boiler partitions, bases, and furnace linings, given their ability to endure extreme temperatures and bestow remarkable insulation attributes. The integration of insulating fire bricks in boiler construction ensures that the heat generated from fuel combustion is efficiently contained and transferred to the water, culminating in proficient steam generation.
Q: Are insulating fire bricks resistant to erosion from flowing gases or liquids?
Generally, insulating fire bricks exhibit resistance to erosion caused by flowing gases or liquids. These bricks are designed to possess excellent thermal insulation properties and the ability to withstand high temperatures, making them suitable for a wide range of industrial uses. The bricks are constructed from lightweight refractory materials with low porosity, which aids in minimizing the infiltration of gases and liquids. Moreover, insulating fire bricks often exhibit chemical inertness, further enhancing their erosion resistance. However, it is crucial to acknowledge that the erosion resistance of these bricks may vary depending on factors such as composition, manufacturing process, and the characteristics of the flowing gases or liquids. Therefore, it is advisable to consult the manufacturer or a qualified expert to assess the suitability of insulating fire bricks for a specific application.
Q: Can insulating fire bricks be used in the construction of smelter crucibles?
Yes, insulating fire bricks can be used in the construction of smelter crucibles. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in smelting applications. They help to retain heat and minimize heat loss, ensuring efficient and effective smelting processes.
Q: Are insulating fire bricks suitable for insulation in gas turbines?
Yes, insulating fire bricks are suitable for insulation in gas turbines. They have excellent insulating properties and can withstand high temperatures, making them an ideal choice for protecting and insulating the components of gas turbines.

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