• 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:What is the recommended method for installing insulating fire bricks?
The recommended method for installing insulating fire bricks is to first prepare the surface by cleaning it thoroughly and ensuring it is dry. Then, apply a thin layer of refractory mortar to the surface where the bricks will be placed. Carefully lay the bricks in a tight, staggered pattern, pressing them firmly into the mortar. Use a level to ensure they are properly aligned. Allow the mortar to dry completely before subjecting the bricks to heat.
Q:Are there any safety precautions to consider when using insulating fire bricks?
Yes, there are safety precautions to consider when using insulating fire bricks. Firstly, it is important to wear appropriate personal protective equipment, such as gloves and safety goggles, to protect against potential injuries. Additionally, due to the high temperatures involved, it is crucial to handle the bricks with care to avoid burns or related accidents. Adequate ventilation should be ensured to prevent the buildup of harmful gases and fumes. Lastly, it is essential to follow the manufacturer's instructions and guidelines for proper installation and usage to minimize any potential risks.
Q:Can insulating fire bricks be used for insulation in ovens and kilns?
Insulating fire bricks are indeed suitable for insulation in ovens and kilns. These bricks are specially designed to withstand high temperatures and offer exceptional thermal insulation. They are composed of lightweight materials such as clay and other refractory substances with low thermal conductivity. Consequently, they possess the ability to effectively retain heat and prevent its escape, making them an ideal choice for ovens and kilns where heat retention is of utmost importance. Furthermore, insulating fire bricks possess resistance against thermal shock, enabling them to endure rapid temperature changes without cracking or breaking. Ultimately, insulating fire bricks guarantee efficient heat distribution and energy conservation, making them a reliable option for insulating ovens and kilns.
Q:Is it possible to paint or coat insulating fire bricks?
Yes, it is possible to paint or coat insulating fire bricks. However, it is important to use heat-resistant paints or coatings that can withstand high temperatures. Regular paints or coatings may not be suitable as they can crack or peel due to the intense heat. It is recommended to consult with a professional or refer to the manufacturer's guidelines to ensure the correct type of paint or coating is used for insulating fire bricks.
Q:Do insulating fire bricks expand and contract with temperature changes?
Yes, insulating fire bricks do expand and contract with temperature changes.
Q:How do insulating fire bricks affect the overall insulation efficiency of a process?
Insulating fire bricks play a crucial role in enhancing the overall insulation efficiency of a process. These bricks are specifically designed to have low thermal conductivity, which means they are excellent at resisting heat transfer. This property helps to minimize the loss of heat energy and maintain a consistent and controlled temperature within the process. By using insulating fire bricks, the amount of heat that escapes from the process is significantly reduced. This leads to better energy conservation and ultimately, increased insulation efficiency. The bricks act as a barrier, preventing the conduction of heat through the walls, floors, or other components of the process equipment. This is especially important in high-temperature applications, where heat loss can be substantial. Furthermore, insulating fire bricks are capable of withstanding high temperatures without deteriorating or melting. This means they can effectively insulate the process even when exposed to extreme heat conditions. Their durability ensures long-lasting performance and reliable insulation over time. Another advantage of using insulating fire bricks is their lightweight nature. Compared to traditional dense bricks, they have a lower density, which reduces the overall weight of the equipment or structure. This not only simplifies the construction process but also minimizes the load on supporting structures. In summary, insulating fire bricks contribute to the overall insulation efficiency of a process by reducing heat loss, maintaining a controlled temperature, and providing long-lasting insulation capabilities. Their low thermal conductivity, high-temperature resistance, and lightweight properties make them an ideal choice for various industrial applications where energy conservation and efficient insulation are essential.
Q:Can insulating fire bricks be used for insulation in chemical reactors?
Yes, insulating fire bricks can be used for insulation in chemical reactors. Insulating fire bricks are made from lightweight materials such as vermiculite or perlite, which have excellent thermal insulation properties. These bricks are designed to withstand high temperatures and can provide insulation in a variety of applications, including chemical reactors. Chemical reactors often operate at elevated temperatures, and maintaining a stable temperature is crucial for efficient and safe operation. By using insulating fire bricks as insulation in chemical reactors, heat loss can be minimized, leading to better energy efficiency and cost savings. Additionally, insulating fire bricks can help to reduce the temperature gradient within the reactor, ensuring uniform heat distribution and enhancing the overall performance of the reactor. Furthermore, insulating fire bricks are resistant to chemical attack and can withstand the corrosive effects of various chemicals used in chemical reactions. This makes them suitable for use in chemical reactors where exposure to corrosive substances is common. In summary, insulating fire bricks are an excellent choice for insulation in chemical reactors. They provide superior thermal insulation, can withstand high temperatures, and are resistant to chemical attack. Using insulating fire bricks in chemical reactors can contribute to improved energy efficiency, temperature stability, and overall performance of the reactor.
Q:Are insulating fire bricks resistant to thermal fatigue?
Yes, insulating fire bricks are generally resistant to thermal fatigue due to their ability to withstand repeated heating and cooling cycles without significant damage or deterioration. Their high thermal shock resistance and low thermal conductivity make them ideal for applications where thermal cycling occurs frequently.
Q:Can insulating fire bricks be used in high-temperature insulation applications?
Indeed, high-temperature insulation applications can employ insulating fire bricks. These bricks are specifically engineered to endure and preserve heat in elevated temperatures. With their low thermal conductivity and exceptional insulation capabilities, they prove to be the perfect choice for containing and insulating high temperatures. Their widespread usage can be observed in industries like steel, glass, and ceramics, as well as in furnaces, kilns, and other equipment operating at extreme temperatures. By effectively retaining heat and minimizing energy loss, insulating fire bricks offer a dependable and efficient insulation solution for high-temperature environments.
Q:Are insulating fire bricks resistant to carbon monoxide?
Yes, insulating fire bricks are resistant to carbon monoxide.

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