• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33

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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 33

Refractory Mullite Insulating Refractory Brick JM 33

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: Are insulating fire bricks resistant to sound transmission?
Insulating fire bricks, which are also known as refractory bricks, are primarily designed to withstand high temperatures and provide thermal insulation. Despite their effectiveness in reducing heat transfer, they are not specifically engineered to resist sound transmission. The composition of insulating fire bricks consists of materials like clay, alumina, and silica, carefully selected for their ability to withstand high temperatures. These materials possess density and low porosity, which aids in blocking the passage of heat through the bricks. However, solid materials, including insulating fire bricks, allow sound waves to easily pass through unless additional measures are taken to mitigate sound transmission. To effectively minimize sound transmission, it is advisable to employ other soundproofing techniques in conjunction with insulating fire bricks. These methods may involve incorporating additional layers of acoustic insulation or utilizing sound barriers like mass-loaded vinyl or acoustic panels. In summary, while insulating fire bricks excel in providing thermal insulation, they do not possess inherent resistance to sound transmission. To efficaciously minimize noise transmission within a given area, supplementary soundproofing measures should be implemented.
Q: Can insulating fire bricks be used as a structural material?
No, insulating fire bricks are not typically used as a structural material. They are mainly employed for their high thermal insulation properties and are not designed to bear significant structural loads.
Q: Are insulating fire bricks suitable for thermal insulation in boilers?
Yes, insulating fire bricks are suitable for thermal insulation in boilers. They have high thermal conductivity and can withstand high temperatures, making them an effective choice for insulating the walls and floors of boilers. Their ability to retain heat helps in improving energy efficiency and reducing heat loss, ultimately enhancing the overall performance of the boiler system.
Q: Can insulating fire bricks be used in pottery kilns?
Pottery kilns can indeed utilize insulating fire bricks. These bricks, also referred to as refractory bricks, possess a specialized design that enables them to endure high temperatures and provide insulation to retain heat within the kilns. Alumina, silica, and other refractory materials are employed in the creation of these bricks, as they possess exceptional thermal resistance properties. The utilization of insulating fire bricks in pottery kilns aids in the maintenance of a consistent temperature, reduction of heat loss, and ensures efficient firing of clay and glazes. Moreover, these bricks contribute to the elongation of the kiln's lifespan by safeguarding the interior walls from extreme temperatures. Consequently, insulating fire bricks represent an ideal choice for pottery kilns and are extensively employed in the pottery industry.
Q: What are insulation bricks for? Do not use high-rise buildings on the ah?
Buildings usually do exterior thermal insulation, such as EPS board, polyphenyl board and so on
Q: What is the typical weight of an insulating fire brick?
The typical weight of an insulating fire brick can vary depending on its size and composition, but it typically ranges from 2 to 4 pounds (0.9 to 1.8 kilograms).
Q: Do insulating fire bricks have any impact on indoor air quality?
Insulating fire bricks do not have any direct impact on indoor air quality. These bricks are made from materials that are generally inert and do not release any harmful substances or volatile organic compounds into the air. However, it is important to note that the overall indoor air quality can be influenced by various factors, such as the presence of other materials, pollutants, or ventilation systems in the surrounding environment.
Q: Can insulating fire bricks be used in contact with molten metal?
Yes, insulating fire bricks can be used in contact with molten metal. Insulating fire bricks are designed to withstand high temperatures and are often used in applications involving molten metal, such as in furnaces and kilns. They have excellent thermal insulation properties and are resistant to thermal shock, making them suitable for use in these environments.
Q: How do insulating fire bricks provide insulation against heat transfer?
Insulating fire bricks provide insulation against heat transfer through their unique composition and structure. These bricks are made from lightweight refractory materials that have low thermal conductivity, meaning they do not conduct heat well. Additionally, they have a high porosity, which creates air pockets within the brick. These air pockets act as insulators, reducing heat transfer by conduction and convection. Overall, the combination of low thermal conductivity and high porosity in insulating fire bricks effectively prevents heat from passing through, providing insulation against heat transfer.
Q: Can insulating fire bricks be used in rocket stove designs?
Insulating fire bricks are capable of being incorporated into the designs of rocket stoves. Rocket stoves are renowned for their efficient combustion and heat transmission, and the utilization of insulating fire bricks can enhance this level of performance. These bricks are produced from lightweight materials that possess excellent insulating properties, allowing them to effectively retain and reflect heat. The combustion chamber of a rocket stove is typically lined with insulating fire bricks in order to maximize the transfer of heat to the cooking surface or the area being heated. The bricks aid in the retention of heat within the combustion chamber, ensuring that a greater portion of the energy generated from the burning fuel is utilized to heat the cooking surface, rather than being dissipated into the surrounding environment. Moreover, insulating fire bricks are capable of enduring high temperatures, making them an ideal choice for inclusion in rocket stove designs. They are specifically engineered to withstand the intense heat generated by the combustion process, guaranteeing that the bricks will not fracture or shatter under such circumstances. In conclusion, the incorporation of insulating fire bricks into the designs of rocket stoves can enhance the efficiency and heat transmission of the stove, resulting in a more efficient and sustainable solution for cooking or heating purposes.

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