• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 30

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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 30

Refractory Mullite Insulating Refractory Brick JM 30

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 for fireplace construction?
Yes, insulating fire bricks can be used for fireplace construction. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining the inside of fireplaces to retain heat and improve energy efficiency.
Q:Do insulating fire bricks require maintenance?
Yes, insulating fire bricks require minimal maintenance. They are designed to withstand high temperatures and are resistant to cracking or crumbling. However, regular cleaning to remove any debris or buildup is recommended to maintain their insulating properties and extend their lifespan.
Q:What are the raw materials used in the production of insulating fire bricks?
The raw materials used in the production of insulating fire bricks include refractory clays, kaolin, alumina, silica, and organic fibers.
Q:Can insulating fire bricks be used in refractory lining applications?
Yes, insulating fire bricks can be used in refractory lining applications. Insulating fire bricks are made from lightweight materials that have high insulating properties, such as clay or silica. These bricks are designed to provide excellent thermal insulation, reducing heat loss and improving energy efficiency in high-temperature applications. In refractory lining applications, insulating fire bricks are commonly used to line the walls, floors, and roofs of furnaces, boilers, kilns, and other industrial equipment. They are effective in preventing heat transfer to the surrounding environment and maintaining the desired temperature inside the equipment. Insulating fire bricks are also resistant to thermal shock, meaning they can withstand rapid changes in temperature without cracking or failing. This makes them suitable for applications where the equipment goes through frequent heating and cooling cycles. Furthermore, insulating fire bricks have low thermal conductivity, which means they can effectively limit heat transfer between different areas of the refractory lining. This helps to prevent hot spots and temperature imbalances, ensuring uniform heat distribution throughout the equipment. Overall, insulating fire bricks are a versatile and effective choice for refractory lining applications, providing excellent thermal insulation, resistance to thermal shock, and uniform heat distribution.
Q:Can insulating fire bricks be used for insulation in oil refineries?
Yes, insulating fire bricks can be used for insulation in oil refineries. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight refractory materials that have low thermal conductivity, allowing them to effectively minimize heat transfer. In oil refineries, where high temperatures and heat transfer are common, insulating fire bricks can be used to insulate various components such as furnaces, reactors, and pipelines. By using insulating fire bricks, the heat loss can be significantly reduced, improving energy efficiency and reducing operational costs in oil refineries.
Q:Are insulating fire bricks chemically resistant?
Insulating fire bricks are generally chemically resistant to a wide range of substances. These bricks are typically made from high-quality refractory materials such as alumina, silica, or a combination of both. These materials have excellent resistance to chemical attack, making insulating fire bricks highly resistant to the corrosive effects of various chemicals. However, it is important to note that the chemical resistance of insulating fire bricks can vary depending on the specific composition and manufacturing process. While they are generally resistant to most chemicals, there may be certain aggressive chemicals or extreme conditions that could potentially degrade or erode the bricks over time. To ensure the optimal chemical resistance of insulating fire bricks, it is recommended to consult the manufacturer's specifications or seek expert advice for specific applications. This will help ensure that the bricks are suitable for the intended chemical environment and will perform reliably over the desired lifespan.
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:Are insulating fire bricks suitable for use in steel mills?
Yes, insulating fire bricks are suitable for use in steel mills. Insulating fire bricks are made from lightweight materials that have high insulating properties, allowing them to withstand high temperatures and provide effective insulation. In steel mills, where extremely high temperatures are generated during the steelmaking process, insulating fire bricks are used to line furnaces, kilns, and other high-temperature applications. These bricks help to reduce heat loss, improve energy efficiency, and protect the steel mill equipment from excessive heat. Additionally, insulating fire bricks have good thermal shock resistance, which is essential in steel mills where rapid temperature changes occur. Overall, the use of insulating fire bricks in steel mills is a reliable and effective solution for maintaining high-temperature environments and optimizing the steelmaking process.
Q:Can insulating fire bricks be used in the construction of cremation chambers?
Yes, insulating fire bricks can be used in the construction of cremation chambers. Insulating fire bricks are made from lightweight materials, such as vermiculite or perlite, which have excellent insulating properties. These properties make them suitable for high-temperature applications, such as cremation chambers, where they can help maintain a consistent and controlled temperature. Using insulating fire bricks in the construction of cremation chambers can provide several benefits. Firstly, they can help to improve energy efficiency by reducing heat loss. This can result in lower fuel consumption and cost savings. Secondly, the insulating properties of these bricks can help to maintain a stable temperature inside the cremation chamber, which is important for ensuring efficient and complete combustion of the deceased. Additionally, insulating fire bricks are lightweight and easy to handle, which can make the construction process more convenient and efficient. However, it is important to note that while insulating fire bricks can be used in the construction of cremation chambers, they are typically used in combination with refractory fire bricks. Refractory fire bricks are made from materials, such as clay or silica, that can withstand extremely high temperatures. These bricks are used in the areas of the cremation chamber that experience direct contact with the flames, while insulating fire bricks are used in the areas that require insulation. Overall, insulating fire bricks are a suitable choice for the construction of cremation chambers, as they provide excellent thermal insulation and can contribute to the efficient and controlled operation of the cremation process.
Q:Are insulating fire bricks suitable for commercial or industrial applications?
Yes, insulating fire bricks are suitable for commercial and industrial applications. They are commonly used in high-temperature environments such as furnaces, kilns, and ovens, where they provide excellent insulation and heat resistance. Their ability to withstand extreme temperatures and thermal shock makes them ideal for commercial and industrial settings where heat containment and energy efficiency are crucial.

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