• Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23 System 1
  • Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23 System 2
  • Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23 System 3
  • Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23 System 4
Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23

Insulating Fire Brick - Refractory Insulating Fire Brick Code GJM23

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
30000 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
CMAX insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

 

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

---

Refractory Insulating Fire Brick Code GJM23

Q: Can insulating fire bricks be used in the construction of boilers for power plants?
Yes, insulating fire bricks can be used in the construction of boilers for power plants. Insulating fire bricks are specifically designed to have low thermal conductivity, which allows them to retain heat and prevent energy loss. This property makes them ideal for use in high-temperature applications such as power plant boilers, where efficient heat transfer is crucial for the production of steam and generation of electricity. Additionally, insulating fire bricks are lightweight and have good thermal shock resistance, making them suitable for the demanding conditions found in power plants. Overall, the use of insulating fire bricks in the construction of boilers can help improve energy efficiency and reduce heat loss, leading to increased operational performance and cost savings in power plants.
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. These bricks have excellent thermal insulation properties, which can help in reducing heat loss and improving the overall energy efficiency of the chimney. Additionally, insulating fire bricks are lightweight and resistant to high temperatures, making them suitable for the harsh conditions often found in industrial settings.
Q: Can insulating fire bricks be used in the construction of lime recovery kilns?
Yes, insulating fire bricks can be used in the construction of lime recovery kilns. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for such applications. They help to conserve energy and maintain the desired temperature within the kiln, enhancing the efficiency of the lime recovery process.
Q: Do insulating fire bricks have a low thermal expansion rate?
Yes, insulating fire bricks typically have a low thermal expansion rate.
Q: Can insulating fire bricks be used in the construction of blast furnaces?
Insulating fire bricks can indeed be utilized in the construction of blast furnaces. To maintain high temperatures, blast furnaces necessitate insulation, and insulating fire bricks offer exceptional thermal insulation properties. These bricks are crafted from lightweight materials like clay and alumina, which possess the ability to endure high temperatures without melting or deteriorating. With their low thermal conductivity, they effectively minimize heat loss and conserve energy within the blast furnace. Moreover, insulating fire bricks exhibit strong resistance to chemical reactions, rendering them suitable for the harsh conditions found in blast furnace environments. All in all, the insulation capabilities and heat-resistance of insulating fire bricks make them the preferred choice for constructing blast furnaces.
Q: Can insulating fire bricks be used in the construction of boilers?
Yes, insulating fire bricks can be used in the construction of boilers. These bricks have excellent thermal insulation properties, making them suitable for use in high-temperature applications such as boiler construction. They help to reduce heat loss, improve energy efficiency, and enhance the overall performance of the boiler system.
Q: Are insulating fire bricks suitable for use in high-temperature chimneys?
Yes, insulating fire bricks are suitable for use in high-temperature chimneys. These bricks are specifically designed to withstand extreme temperatures and provide excellent insulation properties. They have a high melting point and low thermal conductivity, which allows them to effectively retain heat and prevent it from escaping through the chimney walls. This helps in maintaining a high temperature inside the chimney, which is crucial for efficient combustion and proper functioning of the chimney. Additionally, insulating fire bricks are lightweight and durable, making them an ideal choice for constructing chimneys that are exposed to high temperatures.
Q: Can insulating fire bricks be used in applications involving molten metal?
Yes, insulating fire bricks can be used in applications involving molten metal. Insulating fire bricks are made from lightweight refractory materials that have excellent thermal insulation properties. They are capable of withstanding high temperatures and can provide insulation and protection against heat transfer. In applications involving molten metal, insulating fire bricks can be used as linings for furnaces, crucibles, and other equipment to prevent heat loss and maintain the desired temperature. They can also act as a barrier between the molten metal and the structural components, preventing damage or contamination. However, it is important to note that the suitability of insulating fire bricks for a specific molten metal application may depend on factors such as the temperature, type of metal, and the specific requirements of the process.
Q: Are insulating fire bricks resistant to ultraviolet radiation?
No, insulating fire bricks are not resistant to ultraviolet radiation.
Q: What materials are used for roof insulation?
There are two kinds: one is a kind of cotton insulation board, such as rock wool board, aluminum silicate cotton board, but this is not environmental protection, harmful to life, foam board (this fire safety factor minimum), these relatively cheap.

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