• 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 oil and gas?
Yes, insulating fire bricks are generally resistant to oil and gas. These bricks are designed to withstand high temperatures and are commonly used in applications where they may come into contact with oil and gas, such as furnaces and kilns. However, it is important to note that the specific type and composition of the fire bricks can affect their resistance, so it is always recommended to consult the manufacturer's specifications for detailed information.
Q:Can insulating fire bricks be used in the construction of kilns?
Insulating fire bricks have the ability to be utilized in the construction of kilns. With a focus on possessing a high insulating value, these bricks can endure high temperatures while minimizing heat loss. This attribute renders them well-suited for the task of kiln construction as they effectively preserve and regulate the desired temperature within the kiln. Furthermore, these bricks are lightweight and easily manageable, adding to their convenience in kiln construction. An additional advantage lies in their resistance to thermal shock, an imperative characteristic for kilns that experience swift temperature fluctuations. In general, insulating fire bricks are a favored option for kiln construction due to their insulating properties, durability, and user-friendliness.
Q:What is the refractoriness of insulating fire bricks?
The refractoriness of insulating fire bricks refers to their ability to withstand high temperatures without losing their structural integrity or insulation properties.
Q:Are insulating fire bricks resistant to fluorine gas?
Insulating fire bricks are not typically resistant to fluorine gas. Fluorine gas is highly reactive and corrosive, and it can react with various materials, including insulating fire bricks. The corrosive nature of fluorine gas can cause damage to the structure and integrity of the fire bricks, leading to their deterioration or failure over time. Therefore, it is advisable to choose a different type of refractory material that is specifically designed to withstand the corrosive effects of fluorine gas if it is required for a particular application.
Q:Can insulating fire bricks be used in the construction of drying ovens?
Yes, insulating fire bricks can be used in the construction of drying ovens. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively retain heat and prevent heat loss. This makes them an ideal material for constructing drying ovens, as they can help maintain a constant and controlled temperature within the oven. Additionally, insulating fire bricks are resistant to high temperatures, making them suitable for use in drying ovens where elevated temperatures are required.
Q:Is sintering insulation brick good or concrete porous brick good?
Strength and fastness are, of course, porous bricks.
Q:Are insulating fire bricks resistant to vibrations?
Yes, insulating fire bricks are generally resistant to vibrations. They are designed to withstand high temperatures and physical stress, making them suitable for applications where vibrations may occur, such as in furnaces or kilns. However, the level of vibration resistance may vary depending on the specific composition and quality of the insulating fire bricks.
Q:Can insulating fire bricks be used in ceramic fiber modules?
No, insulating fire bricks cannot be used in ceramic fiber modules. Insulating fire bricks are made from dense refractory materials, typically containing high levels of alumina and silica, which provide excellent thermal insulation and resistance to high temperatures. On the other hand, ceramic fiber modules are made from lightweight, flexible ceramic fibers that offer superior thermal insulation properties and are used to line furnaces, kilns, and other high-temperature applications. The composition and construction of insulating fire bricks and ceramic fiber modules are significantly different. Insulating fire bricks are solid and rigid, while ceramic fiber modules are flexible and can be easily shaped and installed. Therefore, attempting to use insulating fire bricks in ceramic fiber modules would not only be impractical but also ineffective in terms of achieving the desired insulation properties and overall performance. It is important to use the appropriate materials for their intended applications to ensure safety, efficiency, and longevity.
Q:Are insulating fire bricks eco-friendly?
Yes, insulating fire bricks can be considered eco-friendly. They are typically made from natural and sustainable materials such as clay and shale, which are readily available and do not deplete natural resources. Additionally, their high insulation properties help reduce energy consumption, making them an environmentally responsible choice.
Q:Can insulating fire bricks be used in kilns?
Yes, insulating fire bricks can be used in kilns. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for use in kilns. They have a low thermal conductivity, which helps to retain the heat generated within the kiln, ensuring efficient and uniform heating. Additionally, insulating fire bricks are lightweight, which makes them easy to handle and install in kilns. They are also resistant to thermal shock, meaning they can withstand rapid changes in temperature without cracking or breaking. Overall, insulating fire bricks are a reliable and effective choice for use in kilns.

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