• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 40

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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 40

Refractory Mullite Insulating Refractory Brick JM 40


Q: Can insulating fire bricks be used in the construction of smelting ovens?
Yes, insulating fire bricks can be used in the construction of smelting ovens. Insulating fire bricks are designed to have low thermal conductivity, which means they are excellent at retaining heat. This property makes them ideal for applications where high temperatures need to be maintained, such as smelting ovens. Smelting ovens are used to melt and refine various metals and minerals. These processes involve extremely high temperatures, and it is crucial to minimize heat loss to ensure efficient and effective smelting. Insulating fire bricks can help achieve this goal by providing excellent insulation and reducing heat loss. Insulating fire bricks are made from lightweight materials, such as ceramic fibers or expanded clay, which have high insulating properties. They are capable of withstanding temperatures up to 3000°F (1650°C), making them suitable for the extreme heat generated in smelting ovens. Additionally, insulating fire bricks are resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is essential in smelting processes, which often involve heating and cooling cycles. Furthermore, insulating fire bricks are easy to work with and can be cut or shaped to fit specific dimensions or designs. This flexibility makes them highly adaptable for constructing smelting ovens of various shapes and sizes. In summary, insulating fire bricks are an excellent choice for the construction of smelting ovens due to their low thermal conductivity, high temperature resistance, thermal shock resistance, and ease of customization. They can help maintain high temperatures, reduce heat loss, and ensure efficient smelting processes.
Q: Are insulating fire bricks easy to clean?
Yes, insulating fire bricks are relatively easy to clean. Due to their smooth and non-porous surface, they can be easily wiped down or scrubbed with water and mild detergent to remove any dirt or debris. However, it is important to avoid using harsh chemicals or abrasive materials that could damage the bricks.
Q: Are insulating fire bricks suitable for the insulation of chimneys?
Insulating fire bricks are indeed suitable for chimney insulation. Specifically engineered to endure high temperatures and deliver efficient insulation, these bricks are perfect for chimney applications. With their elevated thermal conductivity, they retain heat effectively, thereby enhancing the chimney's efficiency by preventing heat from escaping. Moreover, insulating fire bricks possess resistance to thermal shock, enabling them to endure abrupt temperature fluctuations without experiencing cracks or breakage. This resilience is particularly vital in chimneys, where the temperature can vary significantly during the combustion process. All in all, insulating fire bricks are a dependable option for chimney insulation due to their remarkable heat retention capabilities and durability.
Q: Can insulating fire bricks be used for insulation in flues?
Insulating fire bricks are specifically designed for high-temperature applications and are commonly used in furnaces, kilns, and other industrial settings. While they are excellent for insulating heat and preventing heat loss in these environments, they are not recommended for use in flues. Flues are subjected to extreme temperatures, corrosive gases, and the potential for soot and creosote buildup. Insulating fire bricks are not designed to withstand these conditions and may deteriorate or crack over time when exposed to the acidic and corrosive gases produced by combustion. For insulation in flues, it is best to use materials that are specifically made for this purpose, such as refractory cement or ceramic fiber insulation. These materials are more resistant to the harsh conditions found in flues and are better suited to provide effective insulation while ensuring the safety and durability of the flue system.
Q: Can insulating fire bricks be used for insulation in power boiler walls?
Yes, insulating fire bricks can be used for insulation in power boiler walls. Insulating fire bricks are specifically designed to have low thermal conductivity, allowing them to effectively insulate high temperature environments such as power boilers. They are made from lightweight materials such as clay and other refractory materials, which provide excellent insulation properties while withstanding the extreme heat conditions found in power boilers. The use of insulating fire bricks in power boiler walls helps to reduce heat loss, improve energy efficiency, and maintain high operating temperatures within the boiler.
Q: Can insulating fire bricks be used in thermal power plants?
Yes, insulating fire bricks can be used in thermal power plants. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in power plants where heat is generated and thermal efficiency is crucial. They help to reduce heat loss, improve energy efficiency, and maintain a stable and controlled environment within the power plant.
Q: Are there any special requirements for the use of raw materials in thermal insulation brick production equipment? What about the raw materials?
. The control system needs to break, pouring the completion of data acquisition and process control of production site, steam curing process monitoring and control, production line of aerated brick Deyi heavy do better and integrity, production operation management etc..
Q: Can insulating fire bricks be used in ceramic kilns?
Yes, insulating fire bricks can be used in ceramic kilns. These bricks are designed to have high insulating properties, making them ideal for maintaining heat within the kiln. They are lightweight and can withstand high temperatures, making them a suitable choice for ceramic kilns.
Q: Can insulating fire bricks be used for chimney lining?
Indeed, chimney lining can indeed benefit from the utilization of insulating fire bricks. These bricks are meticulously crafted to endure soaring temperatures and excel in heat retention. Their remarkable capacity for minimizing thermal conductivity effectively curbs heat dissipation, thereby enhancing the chimney's efficiency. Moreover, their impressive resistance to cracking and spalling renders them a resilient choice for lining. Nevertheless, it remains crucial to ascertain that the chosen insulating fire bricks align with the particular chimney type and adhere to the applicable local building codes and regulations.
Q: Do insulating fire bricks have a high thermal stability?
Yes, insulating fire bricks have a high thermal stability. They are designed to withstand high temperatures without significant deterioration or structural damage, making them an excellent choice for applications requiring insulation and heat resistance.

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