• 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: Do insulating fire bricks require maintenance?
Yes, insulating fire bricks do require maintenance. While they are known for their durability and ability to withstand high temperatures, regular maintenance is necessary to ensure their optimal performance and longevity. One key aspect of maintenance is periodic cleaning. Over time, insulating fire bricks can accumulate dust, soot, and other debris, which can affect their insulating properties. Therefore, it is recommended to clean the bricks regularly to remove any build-up. This can be done using a soft brush or a mild cleaning solution. Another important aspect of maintenance is checking for any cracks or damages. Inspecting the bricks for any signs of wear and tear is crucial to identify and address any issues before they worsen. Cracks or damages can compromise the bricks' insulation and stability, so they should be repaired or replaced as needed. Furthermore, it is important to monitor the condition of the mortar or refractory cement used to hold the insulating fire bricks together. Over time, the mortar can deteriorate due to exposure to heat and other elements. Regularly inspecting and repairing any damaged mortar helps to maintain the structural integrity of the fire bricks. In addition to these maintenance tasks, it is essential to follow the manufacturer's instructions and recommendations for the specific type of insulating fire bricks used. This may include guidelines for installation, temperature limits, and any other specific care instructions. Overall, while insulating fire bricks are durable, regular maintenance is necessary to ensure their optimal performance and prolong their lifespan. Proper cleaning, inspecting for damage, and following manufacturer's guidelines are key components of maintaining insulating fire bricks.
Q: Can insulating fire bricks be used in refractory mortar?
Yes, insulating fire bricks can indeed be used in refractory mortar. Insulating fire bricks are lightweight and have low thermal conductivity, which makes them ideal for applications where heat insulation is required, such as in kilns, furnaces, and other high-temperature environments. Refractory mortar, on the other hand, is specifically designed to withstand high temperatures and provide a strong bond between fire bricks or other refractory materials. By using insulating fire bricks in refractory mortar, you can achieve both heat insulation and structural integrity in your application.
Q: Are insulating fire bricks resistant to chemical attack?
Yes, insulating fire bricks are generally resistant to chemical attack. They are designed to withstand high temperatures and are made from materials that are chemically inert, making them suitable for various industrial applications where exposure to chemicals is a concern. However, the specific resistance may vary depending on the type of chemical and concentration, so it is important to consider the specific chemical environment when selecting insulating fire bricks.
Q: Are insulating fire bricks suitable for insulation in petrochemical plants?
Yes, insulating fire bricks are suitable for insulation in petrochemical plants. These bricks are made from lightweight refractory materials and have excellent thermal insulation properties. They can withstand high temperatures and provide insulation against heat transfer, making them ideal for use in petrochemical plants where insulation is crucial for safety and energy efficiency.
Q: Are insulating fire bricks suitable for use in steel mills?
Insulating fire bricks prove to be suitable for deployment within steel mills. These bricks are crafted from lightweight materials possessing excellent insulation capabilities, enabling them to endure elevated temperatures and offer formidable insulation. Within the realm of steel mills, where the steelmaking process generates exceedingly high temperatures, insulating fire bricks find utilization in the lining of furnaces, kilns, and other high-temperature applications. These bricks serve to curtail heat loss, enhance energy efficiency, and safeguard the steel mill equipment against excessive heat. In addition, insulating fire bricks exhibit commendable thermal shock resistance, a crucial attribute within steel mills characterized by swift temperature fluctuations. All in all, the deployment of insulating fire bricks in steel mills presents a dependable and efficacious solution for preserving high-temperature environments and optimizing the steelmaking process.
Q: Are insulating fire bricks resistant to reducing atmospheres?
Yes, insulating fire bricks are resistant to reducing atmospheres.
Q: Can insulating fire bricks be used for insulation in cryogenic applications?
Indeed, insulating fire bricks have the capacity to be utilized for insulation purposes in cryogenic applications. These bricks are fabricated from lightweight refractory materials possessing minimal thermal conductivity, thereby rendering them exceptionally efficient in diminishing heat transmission. The insulation materials employed in cryogenic applications must possess the capability to endure exceedingly low temperatures and impede heat escape. Insulating fire bricks exhibit remarkable thermal stability, enabling them to sustain their insulation characteristics even when subjected to cryogenic temperatures. Consequently, they are frequently employed in cryogenic storage tanks, pipelines, and various equipment to furnish insulation and curtail heat transmission.
Q: Can insulating fire bricks be used in the construction of cremation chambers?
Insulating fire bricks have the capability to be utilized in the construction of cremation chambers. These bricks are manufactured using lightweight materials such as vermiculite or perlite, which possess remarkable insulating properties. These properties render them suitable for high-temperature applications like cremation chambers, where they are instrumental in maintaining a consistent and controlled temperature. The utilization of insulating fire bricks in the construction of cremation chambers yields numerous benefits. Firstly, these bricks aid in enhancing energy efficiency by minimizing heat loss. This subsequently leads to reduced fuel consumption and cost savings. Secondly, the insulating properties of these bricks ensure that a stable temperature is maintained within the cremation chamber, which is crucial for achieving efficient and complete combustion of the deceased. Furthermore, these bricks are lightweight and easy to handle, thereby facilitating a more convenient and efficient construction process. Nevertheless, it is worth noting that although insulating fire bricks can be employed in the construction of cremation chambers, they are typically used in conjunction with refractory fire bricks. Refractory fire bricks are fabricated from materials such as clay or silica, which possess the ability to withstand exceedingly high temperatures. These bricks are installed in areas of the cremation chamber that come into direct contact with the flames, while insulating fire bricks are utilized in areas that require insulation. In conclusion, insulating fire bricks are a suitable choice for the construction of cremation chambers due to their excellent thermal insulation properties and ability to contribute to the efficient and controlled operation of the cremation process.
Q: Are insulating fire bricks suitable for use in the construction of smelters?
Yes, insulating fire bricks are suitable for use in the construction of smelters. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties, making them ideal for applications such as smelters. They have low thermal conductivity, meaning they can effectively retain heat and reduce energy loss during the smelting process. Additionally, insulating fire bricks are resistant to thermal shock, which is crucial in smelting operations where rapid temperature changes are common. Their high heat resistance and insulation capabilities make insulating fire bricks a reliable choice for constructing smelters.
Q: Can insulating fire bricks be used in the construction of crucible furnaces?
Crucible furnaces can indeed utilize insulating fire bricks. These bricks have been specifically engineered to endure extreme temperatures while providing exceptional insulation capabilities, making them a suitable choice for crucible furnace construction. Comprised of lightweight materials like alumina and silica, these bricks possess low thermal conductivity, allowing them to effectively retain heat. By incorporating insulating fire bricks, crucible furnaces can achieve heightened energy efficiency, quicker heating durations, and improved temperature regulation. Furthermore, these bricks exhibit resistance to thermal shock, guaranteeing their durability under the crucible furnace's intense heat. Overall, due to their remarkable thermal insulation properties and ability to withstand high temperatures, insulating fire bricks have gained popularity as a preferred option for constructing crucible furnaces.

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