• 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 heat storage units?
Indeed, the utilization of insulating fire bricks is viable in the construction of heat storage units. These bricks are specifically engineered to endure extreme temperatures and possess exceptional thermal insulation properties. They are commonly employed in scenarios where heat retention holds significance, such as furnaces, kilns, and heat storage units. With their low thermal conductivity, these bricks effectively retain and preserve heat for extended durations, rendering them an ideal choice for heat storage units designed to capture and store heat energy for later usage. Additionally, these bricks are lightweight and easy to manipulate, making them a practical selection for construction projects. All in all, incorporating insulating fire bricks into the construction of heat storage units is a suitable and dependable option.
Q: Can insulating fire bricks be used in residential fireplaces?
Yes, insulating fire bricks can be used in residential fireplaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them a suitable choice for fireplace construction. These bricks can help retain heat, increase energy efficiency, and prevent heat loss. They also offer superior protection against thermal shock, which is essential for withstanding the intense heat generated by a fireplace. Additionally, insulating fire bricks are lightweight, easy to handle, and can be easily shaped or cut to fit any fireplace design or size. Overall, using insulating fire bricks in residential fireplaces is a wise choice for homeowners looking to enhance the performance and safety of their fireplace.
Q: Can insulating fire bricks be used in the construction of smelting crucibles?
Yes, insulating fire bricks can be used in the construction of smelting crucibles. The high heat resistance and insulating properties of these bricks make them suitable for withstanding the extreme temperatures required in the smelting process.
Q: Can insulating fire bricks be used in kilns or furnaces?
Certainly! Kilns or furnaces can indeed utilize insulating fire bricks. These bricks are purposely constructed to endure elevated temperatures and thermal shock, rendering them exceptionally suitable for kilns or furnaces. Their remarkable insulation capabilities aid in heat preservation and enhance energy efficiency. Moreover, these bricks are lightweight and simple to install, hence their widespread preference for lining kiln or furnace walls and floors. All in all, insulating fire bricks present a dependable and efficient means of upholding high temperatures and guaranteeing optimal performance in kilns or furnaces.
Q: What is the typical lifespan of an insulating fire brick?
The typical lifespan of an insulating fire brick can vary depending on several factors. These factors include the type and quality of the brick, the temperature and conditions it is exposed to, and the level of maintenance it receives. In general, insulating fire bricks are designed to withstand high temperatures and provide insulation in various industrial applications such as kilns, furnaces, and fireplaces. They are made from lightweight refractory materials that have good thermal insulation properties. With proper installation and regular maintenance, insulating fire bricks can last for many years. However, over time, exposure to extreme temperatures, thermal cycling, chemical corrosion, and mechanical stress can cause gradual wear and tear, leading to a decrease in their lifespan. On average, insulating fire bricks can typically last anywhere from 5 to 20 years. This range is quite broad due to the aforementioned factors. Bricks used in higher temperature applications or subjected to more severe conditions may have a shorter lifespan, while those in less demanding environments may last longer. To maximize the lifespan of insulating fire bricks, it is important to follow proper installation techniques, use bricks with the appropriate temperature rating for the application, and regularly inspect and maintain the bricks. This includes checking for cracks, erosion, or any signs of deterioration and promptly addressing any issues to prevent further damage. Overall, while there is no definite lifespan for insulating fire bricks, their longevity can be extended through proper care and maintenance, allowing them to provide effective insulation and serve their intended purpose for a significant period of time.
Q: Can insulating fire bricks be used in drying ovens?
Certainly, drying ovens can utilize insulating fire bricks. Specifically engineered with low thermal conductivity, these bricks prove to be a superb option for heat insulation purposes, notably in drying ovens. They possess the ability to endure elevated temperatures and efficiently insulate the oven, thereby aiding in maintaining the desired temperature and minimizing heat dissipation to the surroundings. Moreover, their lightweight nature and ease of installation render insulating fire bricks a highly practical selection for incorporation into drying ovens.
Q: Can insulating fire bricks be used for insulation in industrial chimneys?
Indeed, insulating fire bricks have the capability to serve as insulation in industrial chimneys. These bricks are specially crafted to endure extreme temperatures and offer exceptional insulation characteristics. Comprised of lightweight refractory materials boasting low thermal conductivity, insulating fire bricks successfully retain heat and hinder its dispersion into the environment. Consequently, they prove to be optimal for employment in industrial chimneys, as insulation plays a vital role in diminishing heat loss and enhancing energy efficiency. Furthermore, insulating fire bricks exhibit resistance against chemical corrosion, rendering them well-suited for the hostile and corrosive settings frequently encountered in industrial chimneys.
Q: Can insulating fire bricks be cut to size?
Yes, insulating fire bricks can be cut to size using various cutting tools such as saws or knives.
Q: Can insulating fire bricks be used in glass furnaces?
Glass furnaces can indeed utilize insulating fire bricks. These bricks are specifically engineered with low thermal conductivity, rendering them ideal for high-temperature environments such as glass furnaces. The implementation of these bricks aids in the reduction of heat loss from the furnace, consequently enhancing energy efficiency and decreasing operational expenses. Moreover, they offer superior insulation and aid in maintaining consistent temperatures within the furnace, a vital factor in glass production. Furthermore, insulating fire bricks exhibit excellent resistance to thermal shock and can endure the extreme temperatures and rapid temperature fluctuations that are common in glass furnaces. Overall, integrating insulating fire bricks into glass furnaces can result in enhanced furnace performance, heightened productivity, and energy conservation.
Q: Can insulating fire bricks be used as insulation for pizza ovens?
Yes, insulating fire bricks can be used as insulation for pizza ovens. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. These bricks have low thermal conductivity, meaning they can effectively retain heat and prevent it from escaping the oven. This helps in maintaining a consistent and high temperature inside the pizza oven, allowing for even cooking and crisp crusts. Insulating fire bricks are also lightweight and easy to install, making them a popular choice for insulating pizza ovens.

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