• 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:Can insulating fire bricks be used as a structural material?
Insulating fire bricks serve primarily to provide thermal insulation in high-temperature environments like furnaces, kilns, and fireplaces. Despite their excellent insulation properties, they are typically not advised for use as a structural material in load-bearing applications. Constructed from lightweight refractory materials, insulating fire bricks aim to minimize heat transfer. They possess low density and are generally less sturdy or long-lasting than standard bricks or other structural materials. They are more prone to cracking, particularly when subjected to heavy loads or mechanical stress. Should they be employed as a structural material, insulating fire bricks may lack the capacity to bear weight or endure the forces that conventional structural materials are designed to withstand. Such a scenario could result in structural failure, placing the safety and integrity of the building or structure at risk. It is crucial to seek guidance from a structural engineer or building professional to determine the appropriate materials for your specific project. They will consider factors like load requirements, safety regulations, and durability to ensure that the chosen structural materials are suitable and meet the necessary standards. In conclusion, while insulating fire bricks are effective for thermal insulation purposes, they are generally not suitable for use as a structural material due to their inferior strength and durability when compared to traditional structural materials.
Q:Can insulating fire bricks be used in the construction of pizza ovens?
Yes, insulating fire bricks can be used in the construction of pizza ovens. These bricks have excellent heat retention properties which help to create a high and even temperature inside the oven. Additionally, their insulating properties help to decrease heat loss, making them ideal for pizza ovens where maintaining a consistent and high temperature is crucial for achieving crispy and delicious pizzas.
Q:Are insulating fire bricks resistant to hydrofluoric acid?
Yes, insulating fire bricks are resistant to hydrofluoric acid.
Q:Are insulating fire bricks resistant to high-velocity gas flow erosion?
Insulating fire bricks are generally capable of resisting erosion caused by high-velocity gas flow. These bricks are engineered to endure extreme temperatures and harsh conditions, including environments prone to erosion. They are crafted from top-notch refractory materials, like alumina and silica, renowned for their outstanding resistance to erosion and corrosion. Moreover, insulating fire bricks possess low thermal conductivity, aiding in minimizing heat loss and preserving their structural integrity even when subjected to high-velocity gas flow. Nonetheless, it is crucial to acknowledge that the precise level of resistance may differ depending on the unique composition and manufacturing techniques employed in creating the insulating fire bricks.
Q:Can insulating fire bricks be used in smelting furnaces?
Yes, insulating fire bricks can be used in smelting furnaces. Insulating fire bricks are designed to have low thermal conductivity, which helps to conserve heat and maintain high temperatures inside the furnace. This makes them an ideal choice for smelting furnaces where high temperatures are required. Additionally, insulating fire bricks also have a high resistance to thermal shock, which means they can withstand rapid temperature changes without cracking or breaking. This is particularly important in smelting furnaces where the temperature can fluctuate significantly. Overall, insulating fire bricks are an excellent option for smelting furnaces as they help to improve energy efficiency, reduce heat loss, and provide durability in high-temperature environments.
Q:Can insulating fire bricks be used in the construction of BBQ pits?
Indeed, the utilization of insulating fire bricks is feasible for the construction of BBQ pits. These bricks are specifically engineered to endure extreme temperatures and possess exceptional heat resistance attributes, rendering them perfectly suited for BBQ pit applications. By incorporating these bricks, heat is effectively captured and evenly dispersed, leading to improved cooking efficiency and a more enjoyable BBQ experience. Moreover, the inclusion of insulating fire bricks aids in minimizing heat dissipation, guaranteeing that the BBQ pit retains and sustains heat for an extended duration. All in all, the integration of insulating fire bricks significantly enhances the overall performance and longevity of the BBQ pit.
Q:What are the disadvantages of using insulating fire bricks?
Some potential disadvantages of using insulating fire bricks include their lower strength and durability compared to dense fire bricks, higher cost due to their specialized manufacturing process, and limited application in high-temperature environments due to their lower thermal conductivity. Additionally, insulating fire bricks may require more frequent maintenance and replacement due to their susceptibility to damage from thermal shock or chemical exposure.
Q:What industries commonly use insulating fire bricks?
Insulating fire bricks find widespread use in diverse industries that require high-temperature insulation. Some of the sectors that commonly utilize these bricks are: 1. Steel industry: Furnaces, kilns, and other equipment in steel manufacturing plants are lined with insulating fire bricks to enhance insulation, minimize heat loss, and optimize energy efficiency. 2. Glass industry: Insulating fire bricks are employed in furnaces and ovens where glass is melted and molded. They maintain high temperatures, minimize heat loss, and ensure consistent and efficient production. 3. Ceramic industry: Ceramic kilns and pottery ovens rely on insulating fire bricks for thermal insulation, which helps maintain the desired temperature for clay and ceramic products. These bricks conserve energy and optimize firing processes. 4. Cement industry: Cement kilns require efficient high-temperature insulation, achieved through the use of insulating fire bricks. They line the kilns, reducing heat loss and improving thermal efficiency. 5. Foundry industry: Foundries use insulating fire bricks to line melting furnaces and ovens for metal casting. These bricks retain heat, ensuring consistent and efficient metal melting. 6. Power generation industry: Boilers, furnaces, and incinerators in power plants benefit from the thermal insulation provided by insulating fire bricks. They prevent heat loss, improving overall power generation efficiency. 7. Petrochemical industry: Refineries and chemical processing plants rely on insulating fire bricks to line reactors, furnaces, and ovens. These bricks offer insulation against high temperatures and harsh chemical environments. 8. Pharmaceutical industry: Insulating fire bricks are used in pharmaceutical manufacturing facilities to line ovens and dryers. They enable precise temperature control and enhance energy efficiency. In conclusion, insulating fire bricks have wide-ranging applications in industries that emphasize the importance of high-temperature insulation for efficient and cost-effective operations.
Q:Can insulating fire bricks be used for insulation in drying ovens?
Yes, insulating fire bricks can be used for insulation in drying ovens. These bricks are designed to withstand high temperatures and are excellent at retaining heat, making them an ideal choice for insulating drying ovens. They help to minimize heat loss, improve energy efficiency, and maintain a consistent temperature within the oven, ensuring better and more efficient drying of materials.
Q:Can insulating fire bricks be used for both residential and commercial purposes?
Yes, insulating fire bricks can be used for both residential and commercial purposes. Insulating fire bricks are designed to provide excellent insulation and thermal protection, making them suitable for a wide range of applications. In residential settings, these bricks can be used for insulating fireplaces, wood-burning stoves, and pizza ovens, among others. In commercial settings, they are commonly used for kilns, furnaces, boilers, and industrial ovens. The versatility of insulating fire bricks makes them a popular choice for both residential and commercial projects where effective thermal insulation is required.

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