• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26

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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 26

Refractory Mullite Insulating Refractory Brick JM 26

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 water penetration?
Insulating fire bricks exhibit resistance to water penetration. These bricks possess a low porosity and are fabricated from materials that do not readily absorb or retain water. Typically, they consist of lightweight refractory materials like alumina, silica, and other minerals that possess remarkable heat resistance and minimal water absorption capabilities. Consequently, insulating fire bricks are highly suitable for scenarios where water penetration could be detrimental, such as in high-temperature environments or when utilized as insulation in chimneys or kilns. However, it is essential to acknowledge that while these bricks resist water penetration, they are not entirely impervious to it. Prolonged exposure to water may eventually result in some degree of water absorption, which can impact their insulating properties. Therefore, it is prudent to exercise caution and ensure proper installation and maintenance to optimize their resistance against water penetration.
Q: Can insulating fire bricks be used in the construction of industrial chimneys?
Yes, insulating fire bricks can be used in the construction of industrial chimneys. Insulating fire bricks are specifically designed to have excellent thermal insulation properties, making them ideal for applications where temperature control is crucial. Industrial chimneys are subjected to high temperatures and heat transfer, and insulating fire bricks can help to minimize heat loss or gain, improving energy efficiency and reducing the risk of structural damage. Additionally, these bricks have good resistance to thermal shock and can withstand the harsh conditions typically found in industrial settings. Hence, insulating fire bricks are a suitable choice for the construction of industrial chimneys.
Q: Can insulating fire bricks be used as insulation in walls and roofs?
Yes, insulating fire bricks can be used as insulation in walls and roofs. Insulating fire bricks are made from lightweight materials that have excellent thermal insulation properties. They have low thermal conductivity, which means they can effectively reduce heat transfer through walls and roofs. This makes them a suitable choice for insulating buildings and improving energy efficiency. Additionally, insulating fire bricks are durable and fire-resistant, making them a safe option for insulation. However, it is important to note that insulating fire bricks are typically used in high-temperature applications such as furnaces and kilns, so they may not be the most cost-effective or practical choice for all wall and roof insulation needs. Other insulation materials designed specifically for building applications may be more suitable in terms of cost, ease of installation, and overall performance.
Q: Can insulating fire bricks be used in both residential and industrial applications?
Yes, insulating fire bricks can be used in both residential and industrial applications. Insulating fire bricks are designed to provide thermal insulation, which helps to prevent heat loss and maintain a desired temperature in various settings. In residential applications, they can be used in fireplaces, wood-burning stoves, and kilns to improve energy efficiency and reduce heat loss. In industrial applications, insulating fire bricks are commonly used in furnaces, kilns, and other high-temperature environments to provide insulation and protect against heat transfer. They are also used in the construction of ovens, chimneys, and boilers in both residential and industrial settings. Overall, insulating fire bricks are versatile and can be applied in a wide range of applications, making them suitable for both residential and industrial use.
Q: Are insulating fire bricks resistant to thermal conductivity?
Yes, insulating fire bricks are designed to be resistant to thermal conductivity. These bricks are made from materials with low thermal conductivity, such as lightweight refractory fibers or insulating materials like vermiculite or perlite. The purpose of insulating fire bricks is to provide thermal insulation and prevent heat transfer, making them ideal for applications where temperature control is important, such as in kilns, furnaces, or fireplaces. By reducing thermal conductivity, insulating fire bricks help to retain heat within the desired area and minimize energy loss, making them an effective choice for insulation in high-temperature environments.
Q: Are insulating fire bricks resistant to acids?
Yes, insulating fire bricks are generally resistant to acids. They are made from materials that can withstand high temperatures and are chemically stable, making them suitable for applications where acid resistance is required.
Q: Are insulating fire bricks suitable for use in oil refineries?
Insulating fire bricks do not typically suffice in oil refineries due to their inability to withstand the corrosive and abrasive nature of oil and its byproducts, despite being designed for high temperatures. Oil refineries involve a complex process of refining crude oil into various petroleum products, which often exposes materials to harsh chemicals and high temperatures. Instead, refractory bricks or castables specifically tailored to endure the corrosive and abrasive conditions present in the refining process are commonly employed. These refractory materials possess chemical resistance, high strength, thermal shock resistance, and the ability to withstand the extreme temperatures encountered during refining. Moreover, oil refineries necessitate materials that offer excellent insulation properties while also being durable and resistant to thermal stress. While insulating fire bricks possess good insulation properties, they may not possess the necessary durability and resistance to thermal stress demanded in the demanding environment of an oil refinery. Hence, it is advisable to utilize refractory bricks or castables that are designed specifically for oil refineries. These materials can provide the requisite resistance against chemicals, high temperatures, and thermal stress, ensuring the refinery operates safely and efficiently.
Q: Can insulating fire bricks be used for insulation in cryogenic applications?
Yes, insulating fire bricks can be used for insulation in cryogenic applications. Insulating fire bricks are made from lightweight refractory materials with low thermal conductivity, which makes them highly effective in reducing heat transfer. Cryogenic applications require insulation materials that can withstand extremely low temperatures and prevent heat leakage. Insulating fire bricks have excellent thermal stability and can maintain their insulation properties even at cryogenic temperatures. They are commonly used in cryogenic storage tanks, pipelines, and other equipment to provide insulation and minimize heat transfer.
Q: Do insulating fire bricks have a high heat storage capacity?
Yes, insulating fire bricks do have a high heat storage capacity. These bricks are designed to retain heat for extended periods of time, making them ideal for applications that require heat insulation and retention, such as furnaces, kilns, and fireplaces.
Q: Outside brick wall, inside brick wall how to return a responsibility?
In general, the wall of the building and outdoor harsh environment, so the general exterior wall tiles with full ceramic tile surface, then is the kind of uneven, and the appearance of the size deviation of brick is relatively large.

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