• Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25 System 1
  • Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25 System 2
  • Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25 System 3
  • Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25 System 4
Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25

Insulating Fire Brick - Refractory Mulite Insulating Fire Brick GJM25

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
100000 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.

 

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 Mulite Insulating Fire Brick GJM25

 

Q: Can insulating fire bricks be used in the construction of tundishes?
Yes, insulating fire bricks can be used in the construction of tundishes. Tundishes are commonly used in the steel industry to distribute molten metal, and insulating fire bricks are ideal for this purpose as they have excellent thermal insulation properties and can withstand high temperatures.
Q: Can insulating fire bricks be used in residential applications, such as fireplaces or ovens?
Residential applications like fireplaces or ovens can indeed utilize insulating fire bricks. These bricks are specifically designed for enduring high temperatures and providing outstanding thermal insulation. They are crafted from lightweight materials like clay or alumina, which possess low thermal conductivity. This attribute assists in retaining the heat within the fireplace or oven, enhancing efficiency and reducing energy consumption. Moreover, insulating fire bricks exhibit exceptional resilience against thermal shock, enabling them to withstand sudden temperature fluctuations without cracking or breaking. Additionally, these bricks are non-combustible, ensuring they can withstand the intense temperatures produced in fireplaces or ovens without posing a fire hazard. Consequently, insulating fire bricks are a suitable option for residential applications requiring high temperatures and thermal insulation.
Q: Can insulating fire bricks be used in ladles and tundishes?
Yes, insulating fire bricks can be used in ladles and tundishes. Insulating fire bricks are designed to withstand high temperatures, making them suitable for use in these refractory applications. They provide excellent thermal insulation, reducing heat loss and improving energy efficiency in ladles and tundishes.
Q: Do insulating fire bricks require any maintenance?
Insulating fire bricks, also known as refractory bricks, have been designed to endure high temperatures and offer exceptional insulation properties. One notable advantage of these bricks is their minimal maintenance requirements. These bricks are crafted from specialized materials that exhibit high heat resistance and are not easily prone to cracking or breaking, thereby reducing the need for frequent repairs or replacements. Nevertheless, similar to other materials, insulating fire bricks may accumulate dust or debris over time. To preserve their effectiveness and extend their lifespan, it is recommended to regularly clean them by employing a soft brush or vacuum cleaner to eliminate any loose particles. Additionally, it is crucial to periodically inspect the bricks for any signs of damage, such as cracks or erosion. Promptly addressing any identified issues is vital to prevent further deterioration. In summary, although insulating fire bricks do not demand extensive upkeep, regular cleaning and inspection are essential to ensure their optimal performance and longevity.
Q: Can insulating fire bricks be used in the construction of heat storage systems?
Yes, insulating fire bricks can be used in the construction of heat storage systems. Insulating fire bricks are designed to have low thermal conductivity, which allows them to effectively retain and store heat. This makes them suitable for use in heat storage systems where the goal is to store and release heat over a period of time.
Q: Are insulating fire bricks suitable for use in wood-fired ovens?
Yes, insulating fire bricks are suitable for use in wood-fired ovens. These bricks are specifically designed to withstand high temperatures, making them ideal for use in ovens or other heat-intensive applications. Insulating fire bricks have excellent thermal insulation properties, which helps to retain heat inside the oven and ensures a more efficient cooking process. Additionally, these bricks have a low thermal conductivity, meaning they transfer less heat to the external surfaces, resulting in a safer and more comfortable cooking experience. Therefore, using insulating fire bricks in wood-fired ovens can provide better heat retention, energy efficiency, and improved overall performance.
Q: Can insulating fire bricks be used in both residential and industrial applications?
Yes, insulating fire bricks can be used in both residential and industrial applications. They are commonly used in residential fireplaces and wood-burning stoves for their insulating properties, as well as in industrial furnaces, kilns, and ovens to retain heat and improve energy efficiency.
Q: Do insulating fire bricks emit any toxic fumes when heated?
Insulating fire bricks, also known as refractory bricks, are designed to withstand high temperatures and are commonly used in applications such as furnaces and kilns. These bricks are made of materials that have a low thermal conductivity, meaning they do not transfer heat easily. When heated, insulating fire bricks do not emit any toxic fumes. This is because they are typically made from non-toxic materials such as clay or silica. These materials are chemically stable and do not release any harmful gases or substances when exposed to high temperatures. It is important to note that while insulating fire bricks themselves do not emit toxic fumes, the substances being heated inside the furnace or kiln may produce fumes or gases that could be hazardous to health. It is essential to properly ventilate the area and follow safety guidelines when working with any materials that may release toxic fumes during the heating process. In summary, insulating fire bricks do not emit any toxic fumes when heated as they are made from non-toxic materials. However, it is crucial to ensure proper ventilation and follow safety precautions when working with any materials that may release hazardous fumes.
Q: Are insulating fire bricks suitable for use in wood-fired ovens?
Indeed, insulating fire bricks are appropriate for utilization in wood-fired ovens. These bricks have been meticulously crafted to endure extreme temperatures, rendering them exceptionally suitable for deployment in ovens or other heat-intensive scenarios. Insulating fire bricks boast exceptional thermal insulation properties, aiding in the preservation of heat within the oven and guaranteeing a more effective cooking procedure. Moreover, these bricks exhibit low thermal conductivity, signifying that they transmit less heat to the external surfaces, resulting in a cooking experience that is both safer and more comfortable. Consequently, the utilization of insulating fire bricks in wood-fired ovens can yield superior heat retention, enhanced energy efficiency, and an overall improved performance.
Q: Do insulating fire bricks require any maintenance?
Insulating fire bricks, also known as refractory bricks, have been designed to endure high temperatures and offer exceptional insulation properties. One notable advantage of these bricks is their minimal maintenance requirements. These bricks are crafted from specialized materials that exhibit high heat resistance and are not easily prone to cracking or breaking, thereby reducing the need for frequent repairs or replacements. Nevertheless, similar to other materials, insulating fire bricks may accumulate dust or debris over time. To preserve their effectiveness and extend their lifespan, it is recommended to regularly clean them by employing a soft brush or vacuum cleaner to eliminate any loose particles. Additionally, it is crucial to periodically inspect the bricks for any signs of damage, such as cracks or erosion. Promptly addressing any identified issues is vital to prevent further deterioration. In summary, although insulating fire bricks do not demand extensive upkeep, regular cleaning and inspection are essential to ensure their optimal performance and longevity.

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