• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 41

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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 41

Refractory Mullite Insulating Refractory Brick JM 41

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 are the dimensions of insulating fire bricks?
Insulating fire bricks are usually available in different dimensions, which vary depending on the manufacturer and specific usage. However, the most frequently used dimensions for insulating fire bricks are 9 inches by 4.5 inches by 2.5 inches (or 230mm by 114mm by 64mm). These dimensions are widely accepted and commonly employed in the industry. It is worth mentioning that distinct projects might necessitate diverse dimensions, and it is advisable to consult the manufacturer or supplier to determine the most suitable dimensions for your requirements.
Q: Can insulating fire bricks be used in fertilizer plants?
Yes, insulating fire bricks can be used in fertilizer plants. They are commonly used in high-temperature applications, such as kilns and furnaces, to provide thermal insulation and protect against heat loss. In fertilizer plants, where various processes involve high temperatures, insulating fire bricks can be utilized to enhance energy efficiency and maintain optimal temperature conditions.
Q: Can insulating fire bricks be used in the construction of coke ovens?
The use of insulating fire bricks in the construction of coke ovens is indeed possible. These bricks are specifically designed to endure extreme temperatures and offer exceptional thermal insulation. Coke ovens, which typically operate at around 2000 degrees Fahrenheit, necessitate materials that can withstand such conditions. The low thermal conductivity of insulating fire bricks effectively hinders heat transfer between the interior and exterior of the oven. This feature helps to maintain the necessary high temperatures for coal carbonization in the coke oven, while simultaneously minimizing heat loss. Moreover, insulating fire bricks possess a lightweight composition and high strength, which makes them ideal for coke oven construction. Their lightweight nature facilitates easier installation and reduces the overall weight of the structure. Additionally, their high strength ensures that they can endure the harsh operating conditions of the coke oven without cracking or crumbling. In conclusion, insulating fire bricks are a suitable choice for constructing coke ovens due to their ability to withstand high temperatures, provide thermal insulation, and offer durability.
Q: Can insulating fire bricks be used in high-temperature filters?
Yes, insulating fire bricks can be used in high-temperature filters. These bricks are designed to withstand extreme temperatures and provide excellent insulation. They can effectively trap and filter out impurities in high-temperature environments, making them suitable for use in high-temperature filters.
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 are specifically designed to have excellent thermal insulation properties, making them ideal for applications where high temperatures need to be contained. They are commonly used in the construction of furnaces, kilns, and other high-temperature environments. The insulating properties of these bricks help to reduce heat loss, improve energy efficiency, and maintain a stable temperature within the refractory lining. Additionally, insulating fire bricks are lightweight and easy to handle, making them a practical choice for refractory lining construction.
Q: Can insulating fire bricks be used in cement plants?
Certainly, cement plants can utilize insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures and are widely employed in thermal insulation-demanding industries. Within cement plants, they can find diverse applications, including kiln lining, furnace lining, and other equipment operating at high temperatures. These bricks effectively decrease heat dissipation, enhance energy efficiency, and maintain stable and regulated temperatures during cement production. Furthermore, insulating fire bricks possess a lightweight nature and exhibit low thermal conductivity, rendering them an optimal selection for insulation purposes within cement plants.
Q: What is the compressive strength of insulating fire bricks?
The specific composition and manufacturing process of insulating fire bricks can cause variations in their compressive strength. Generally, these bricks have a compressive strength ranging from 1 to 10 MPa. This range is comparatively lower than that of other types of bricks due to their lightweight and porous nature. This design allows them to offer exceptional thermal insulation properties. It is worth noting that the compressive strength of insulating fire bricks may not be as significant as it is for structural bricks. Their primary purpose is to provide insulation rather than structural support.
Q: Can insulating fire bricks be used as insulation for pizza ovens?
Yes, insulating fire bricks can be used as insulation for pizza ovens. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. These bricks have low thermal conductivity, meaning they can effectively retain heat and prevent it from escaping the oven. This helps in maintaining a consistent and high temperature inside the pizza oven, allowing for even cooking and crisp crusts. Insulating fire bricks are also lightweight and easy to install, making them a popular choice for insulating pizza ovens.
Q: Can insulating fire bricks be cut or shaped to fit specific applications?
Yes, insulating fire bricks can be cut or shaped to fit specific applications. Insulating fire bricks are made from lightweight refractory materials, typically ceramic fibers or lightweight aggregates, which allows them to be easily cut or shaped without compromising their structural integrity. They can be cut with a saw, knife, or other cutting tools to fit specific dimensions or shapes required for various applications, such as lining kilns, furnaces, or fireplaces. Additionally, insulating fire bricks can be shaped by using molds or by hand molding during the manufacturing process. This flexibility in cutting and shaping makes insulating fire bricks highly versatile and suitable for a wide range of industrial and residential applications.
Q: Can insulating fire bricks be used in ceramic fiber boards?
Yes, insulating fire bricks can be used in ceramic fiber boards. Insulating fire bricks are commonly used as a lining material for high-temperature applications, as they are able to withstand very high temperatures and provide excellent thermal insulation. Ceramic fiber boards, on the other hand, are lightweight and have good thermal shock resistance, making them suitable for use in various industrial and residential settings. When used together, insulating fire bricks can be placed behind or around the ceramic fiber boards to enhance their insulating properties and increase overall thermal efficiency. The bricks can provide additional structural support and help to retain heat within the system, improving energy efficiency and reducing heat loss. However, it is important to note that the compatibility of insulating fire bricks and ceramic fiber boards may vary depending on the specific application and requirements. It is recommended to consult with manufacturers or industry experts to ensure proper selection and installation of these materials for your specific needs.

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