• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 28

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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 28

Refractory Mullite Insulating Refractory Brick JM 28

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 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 for insulation in solar thermal systems?
Yes, insulating fire bricks can be used for insulation in solar thermal systems. Insulating fire bricks are specially designed to have low thermal conductivity, which means they can effectively trap and retain heat. This makes them suitable for insulating the components of a solar thermal system, such as the solar collector and the storage tank, to minimize heat loss and increase the overall efficiency of the system. Additionally, insulating fire bricks are able to withstand high temperatures, which is crucial in solar thermal systems where temperatures can reach extremes. Overall, using insulating fire bricks for insulation in solar thermal systems can help improve their performance and reduce energy loss.
Q:Can insulating fire bricks be used in the construction of steel rolling mills?
Yes, insulating fire bricks can be used in the construction of steel rolling mills. Insulating fire bricks are designed to have excellent thermal insulation properties, which makes them ideal for applications that require high temperatures and heat containment. In steel rolling mills, where high temperatures are involved, insulating fire bricks can be used to line the walls of furnaces, ovens, and other heat-processing equipment. These bricks help to reduce heat loss, increase energy efficiency, and maintain a stable temperature environment, which is crucial in the steel rolling process. Additionally, insulating fire bricks are lightweight and easy to install, making them a practical choice for construction in steel rolling mills.
Q:Can insulating fire bricks be used in cement kilns?
Yes, insulating fire bricks can be used in cement kilns. These bricks have high thermal insulation properties, which help in reducing heat loss and increasing energy efficiency in the kiln. Additionally, they can withstand high temperatures and provide effective insulation, making them suitable for use in cement kilns.
Q:Can insulating fire bricks be used in chimneys or flues?
Yes, insulating fire bricks can be used in chimneys or flues. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining chimneys and flues to prevent heat transfer and improve overall efficiency.
Q:Can insulating fire bricks be used in copper smelting furnaces?
Yes, insulating fire bricks can be used in copper smelting furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in copper smelting processes where heat retention and efficiency are important.
Q:Is it possible to recycle used insulating fire bricks?
Yes, it is possible to recycle used insulating fire bricks. These bricks can be crushed, ground, or shredded, and then the resulting material can be used as a raw material in the production of new bricks or as an aggregate in construction materials. Recycling used insulating fire bricks helps to reduce waste and conserve resources.
Q:Can insulating fire bricks be used for insulation in power plants?
Insulating fire bricks have proven themselves to be effective for insulation purposes in power plants. These bricks are specifically designed to possess exceptional thermal insulation properties, making them highly suitable for applications involving high temperatures. They can endure extreme temperatures and effectively insulate power plant operations, thus preventing heat loss and enhancing energy efficiency. In power plants, insulating fire bricks find extensive usage in various areas, including furnaces, boilers, kilns, and chimneys. They can be utilized to line the walls, floors, and roofs of these structures, aiming to minimize heat transfer and maintain optimal temperatures within the equipment. The utilization of insulating fire bricks in power plants offers numerous benefits. These bricks aid in reducing heat loss, enhancing combustion efficiency, and alleviating thermal stress on the equipment. They create a barrier against heat transfer, thereby conserving energy and minimizing operational expenses. Moreover, their insulation properties contribute to a safer working environment for power plant personnel. Nevertheless, it is important to exercise caution when selecting insulating fire bricks for power plant insulation. The specific requirements and conditions of the power plant should be carefully considered. Factors such as operating temperature, exposure to chemicals, and mechanical stress should be taken into account to ensure that the bricks are capable of withstanding harsh conditions and delivering long-lasting insulation performance.
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:Do insulating fire bricks expand and contract with temperature changes?
Insulating fire bricks do indeed undergo expansion and contraction in response to temperature variations. Similar to all other materials, exposure to heat causes these bricks to expand, whereas cooling leads to their contraction. This expansion and contraction phenomenon arises from the material's thermal expansion coefficient, which dictates the degree of expansion or contraction in relation to temperature changes. It is crucial to acknowledge this characteristic when utilizing insulating fire bricks in situations that involve anticipated temperature fluctuations. Neglecting to account for the expansion and contraction may result in structural harm or the formation of cracks.

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