• 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: 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: What is the price of refractory bricks?
The refractory insulating brick generally refers to light brick, normal furnace lining are using this brick kiln will not increase the weight, and good heat insulation effect and ordinary insulating brick production are made of clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating firebrick, diatomite insulating refractory brick, the use of light heat insulation brick can increase the use of the area, at the same time, good insulation effect, in the hot summer, the temperature of the furnace using solid clay brick and low 2-3 ~ C, reduce the power consumption. The construction is superior, the light insulating brick has good machinability, and the construction is convenient and simple, and the labor intensity can be reduced, the construction efficiency can be improved, and the construction period can be shortened. The price is determined by the choice of material and volume density, from several hundred to 5000 yuan, mainly with the choice of material
Q: Can insulating fire bricks be used in the construction of radiant tubes?
Yes, insulating fire bricks can be used in the construction of radiant tubes. These bricks are designed to have low thermal conductivity, which makes them an excellent choice for insulating applications such as radiant tubes. They can help to minimize heat loss and improve the efficiency of the radiant heating system.
Q: Are insulating fire bricks resistant to thermal stress?
Yes, insulating fire bricks are designed to be highly resistant to thermal stress. They can withstand high temperatures without cracking or breaking, making them ideal for applications where thermal insulation and durability are required.
Q: What is the recommended thickness of insulating fire bricks for optimal insulation?
The recommended thickness of insulating fire bricks for optimal insulation varies depending on the specific application and desired level of insulation. However, a typical range for insulating fire bricks is between 2.5 to 4 inches in thickness. It is important to consult with a professional or refer to specific guidelines to determine the ideal thickness for your specific insulation needs.
Q: Can insulating fire bricks be used in the construction of foundry molds?
Insulating fire bricks are capable of being utilized in the construction of foundry molds. These bricks are produced using lightweight materials like clay, alumina, and silica, and are specifically designed to possess low thermal conductivity. This quality renders them ideal for various applications that necessitate resistance against high temperatures and insulation, particularly foundry molds. Foundry molds are employed to shape and retain molten metal during the casting procedure. Given that molten metal is generally poured at exceedingly high temperatures, it becomes imperative to employ materials that can endure the heat without melting or distorting. Insulating fire bricks possess a high melting point and exceptional thermal stability, making them appropriate for usage in foundry molds. Furthermore, apart from their resistance to high temperatures, insulating fire bricks also offer commendable insulation properties. This proves to be crucial in foundry molds as it assists in regulating the cooling rate of the molten metal, thereby preventing thermal shock and ensuring proper solidification. The insulation properties of insulating fire bricks also contribute to lowering energy consumption and enhancing the overall efficiency of the foundry process. All in all, insulating fire bricks are an enduring and efficient choice for the construction of foundry molds. They provide resistance against high temperatures, excellent thermal stability, and reliable insulation properties, thus establishing themselves as a dependable option for employment in the demanding conditions of foundry operations.
Q: What is composite sintering insulation bricks?
The brick belongs to the porous brick and has good heat preservation performance. Reached the national 50%~65% energy efficiency standards. High safety (no crack, no seepage), strong durability (with building life), economy (self insulation, no need to increase the cost of insulation).
Q: Can insulating fire bricks be used in the construction of regenerators?
Yes, insulating fire bricks can be used in the construction of regenerators. Regenerators are devices commonly used in industrial processes, such as glass manufacturing and metallurgy, to recover and reuse waste heat. Insulating fire bricks are designed to have low thermal conductivity, making them an excellent choice for insulating applications. By using insulating fire bricks in the construction of regenerators, heat loss can be minimized, leading to more efficient heat recovery and energy savings. Additionally, these bricks can withstand high temperatures, making them suitable for the harsh operating conditions typically found in regenerators. Overall, insulating fire bricks are a reliable and effective choice for the construction of regenerators.
Q: Are insulating fire bricks suitable for use in the construction of incinerators?
Yes, insulating fire bricks are suitable for use in the construction of incinerators. Insulating fire bricks have excellent thermal insulation properties, allowing them to withstand high temperatures and efficiently retain heat. This makes them ideal for lining the walls and floors of incinerators, as they help to contain and direct heat, ensuring proper combustion while reducing heat loss. Additionally, insulating fire bricks are resistant to chemical attacks and can withstand the corrosive environment found in incinerators, making them a reliable choice for this application.
Q: Do insulating fire bricks require any special installation techniques?
Yes, insulating fire bricks require special installation techniques. These bricks are typically lightweight and have low thermal conductivity, making them highly effective in insulating applications. To ensure proper installation, it is important to follow the manufacturer's guidelines and use appropriate tools, such as refractory mortar or adhesive, to securely bond the bricks together. Additionally, proper curing and drying procedures should be followed to avoid any potential cracking or damage during the installation process.

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