• Insulating Fire Brick - GJM Insulation Brick Insulating Brick System 1
  • Insulating Fire Brick - GJM Insulation Brick Insulating Brick System 2
Insulating Fire Brick - GJM Insulation Brick Insulating Brick

Insulating Fire Brick - GJM Insulation Brick Insulating Brick

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
1000 pc
Supply Capability:
100000000 pc/month

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General information of Insulating Brick

Insulating firebricks are classified under tempera-ture between 1100C to 1700C, manufactured from high purity alumina clay.

Insulating fire bricks are made from high purity alumina and low iron content raw materials. The insulating fire bricks are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM23 temperature is 1260(2300). A variety of type could be done according to customer’s request.

To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.

For insulating fire bricks GJM23,we choose the casting methord.The casting insulating fire bricks offering the lowest density, the lowest thermal conductivity for the application above 1000.

 

Application of Insulation brick

Insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layerin iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

 

Features of Insulation brick

◆Light weight and low thermal conductivity
◆Low heat storage
◆Low iron and impurities
◆High thermal shock resistance

 

Technical Data of GJM series Insulation brick

 

 

 

  JM23JM26JM28JM30JM32
Physical Properties:
Classifiction Temperature                 ℃1260.0 1430.0 1500.0 1600.0 1650
Density Kg/m3550.0 850.0 900.0 1000.0 1100
Cold Crushing StrengthMpa1.2 2.0 2.5 2.8 3.5
Reheating Linear Change(24hrs)      
1230℃%0.4     
1300℃      
1400℃% 0.5    
1510℃%  0.6   
1600℃%   0.7  
1650℃%    0.8
Hot Load Strength Deform(90 minutes)      
1100℃ at 0.034 Mpa(5psi)%0.1     
1260℃ at 0.069 Mpa(10psi)% 0.2    
1320℃ at 0.069 Mpa(10psi)%  0.3   
1370℃ at 0.069 Mpa(10psi)%   0.2 0.1
Thermal Conductivity      
400℃W/m.k0.2 0.3 0.3 0.3 0.32
600℃W/m.k0.2 0.3 0.3 0.3 0.35
800℃W/m.k0.2 0.3 0.4 0.4 0.38
1000℃W/m.k0.2 0.3 0.4 0.4 0.42
1200℃W/m.k 0.4 0.4 0.4 0.44
1400℃W/m.k     
Specific HeatKJ/Kg.K1.1 1.1 1.1 1.1 1.10
Chemical Analysis:
Al2O3%47.0 50.0 60.0 70.0 75.0
SiO2%44.4 47.1 38.2 28.3 23.2
Fe2O3%0.9 0.7 0.6 0.5 0.5
TiO2%1.2 0.1 0.1 0.1 0.1
CaO%5.2 0.1 0.1 0.1 0.1
MgO%0.3 0.2 0.1 0.1 0.1
Na2O+K2O%1.1 1.7 0.8 0.7 0.6

 

Technical Data of B series Insulation Brick

 

  B-1B-2B-3B-4B-5B-6B-7
Physical Properties:        
Density g/cm30.7 0.7 0.75 0.80 0.80 0.90 1.00
Cold Crushing StrengthMpa2.5 2.5 2.5 2.5 2.5 3.0 3.0
Thermal Conductivity 350W/m.k0.17 0.18 0.20 0.22 0.23 0.27 0.31

 

Technical Data of C series Insulation Brick

 

  C-1C-2C-3
Physical Properties:
Density g/cm31.1 1.2 1.3
Cold Crushing StrengthMpa5.0 7.0 10.0
Thermal Conductivity 350W/m.k0.30 0.38 0.45

 

Photo of  Insulation Brick

 

Q: Can insulating fire bricks be used in kilns?
Yes, insulating fire bricks can be used in kilns. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for use in kilns. They have a low thermal conductivity, which helps to retain the heat generated within the kiln, ensuring efficient and uniform heating. Additionally, insulating fire bricks are lightweight, which makes them easy to handle and install in kilns. They are also resistant to thermal shock, meaning they can withstand rapid changes in temperature without cracking or breaking. Overall, insulating fire bricks are a reliable and effective choice for use in kilns.
Q: What is the price of thermal insulation brick for exterior wall?
Hello, the exterior wall insulation has many practices, useful insulation bricks, but also useful particles of polystyrene insulation mortar mixed (thickness is not the same, the price is not the same);
Q: Can insulating fire bricks be recycled or reused?
Insulating fire bricks have the potential to be recycled or reused. These bricks are composed of various materials like alumina, silica, and clay, which can be broken down and utilized in the production of fresh bricks. Recycling involves crushing the bricks into a fine powder and combining it with other raw materials to form new bricks. Additionally, reusing insulating fire bricks is viable in specific applications. If the bricks are still in good condition and undamaged, they can be extracted from one structure and employed in another. This practice decreases waste and conserves resources. In summary, whether through recycling or reusing, insulating fire bricks possess the ability to have a secondary life, contributing to a more sustainable and environmentally-friendly construction industry.
Q: Can insulating fire bricks be used in the construction of refractory-lined vessels?
Yes, insulating fire bricks can be used in the construction of refractory-lined vessels. Insulating fire bricks have excellent thermal insulation properties and can withstand high temperatures, making them suitable for lining vessels that require heat insulation and refractory properties.
Q: Do insulating fire bricks require special handling?
Yes, insulating fire bricks do require special handling. These bricks are made from lightweight refractory materials and are designed to withstand high temperatures. Due to their fragile nature, they should be handled with care to prevent breakage or damage. It is recommended to use proper lifting and carrying techniques, such as wearing gloves and using tongs or lifters, to avoid accidents or injuries. Additionally, insulating fire bricks should be stored in a dry and protected area to prevent moisture absorption, which can affect their thermal properties.
Q: Can insulating fire bricks be used in the construction of hot water boilers?
Indeed, hot water boilers can utilize insulating fire bricks for their construction. These bricks are specifically engineered to endure extreme temperatures and offer exceptional thermal insulation. Their low thermal conductivity effectively minimizes heat dissipation, thereby enhancing the overall energy efficiency of the boiler. Furthermore, these bricks exhibit remarkable resistance to thermal shock, rendering them suitable for the intense heat generated within hot water boilers. Moreover, their lightweight composition facilitates effortless handling and installation in the boiler, rendering them a favored option for insulation in the construction of hot water boilers.
Q: Are insulating fire bricks resistant to hydrogen sulfide?
In general, hydrogen sulfide is not withstood by insulating fire bricks. This highly corrosive gas has the ability to react with various substances, including fire bricks. Fire bricks, although engineered to endure high temperatures, lack a specific resistance to chemical corrosion. Consequently, when fire bricks encounter hydrogen sulfide, they may deteriorate gradually, resulting in possible harm or malfunction. Hence, it is advisable to employ alternative materials specifically crafted to withstand corrosion caused by hydrogen sulfide in situations where this gas is anticipated.
Q: Are insulating fire bricks suitable for insulation in petrochemical plants?
Yes, insulating fire bricks are suitable for insulation in petrochemical plants. These bricks are made from lightweight refractory materials and have excellent thermal insulation properties. They can withstand high temperatures and provide insulation against heat transfer, making them ideal for use in petrochemical plants where insulation is crucial for safety and energy efficiency.
Q: Can insulating fire bricks be cut or shaped to fit specific applications?
Yes, insulating fire bricks can be cut or shaped to fit specific applications. Insulating fire bricks are made from lightweight refractory materials, typically ceramic fibers or lightweight aggregates, which allows them to be easily cut or shaped without compromising their structural integrity. They can be cut with a saw, knife, or other cutting tools to fit specific dimensions or shapes required for various applications, such as lining kilns, furnaces, or fireplaces. Additionally, insulating fire bricks can be shaped by using molds or by hand molding during the manufacturing process. This flexibility in cutting and shaping makes insulating fire bricks highly versatile and suitable for a wide range of industrial and residential applications.
Q: Can insulating fire bricks be used for high-temperature insulation?
Absolutely, high-temperature insulation can be achieved with the use of insulating fire bricks. These bricks are specifically engineered to endure and provide insulation against elevated temperatures, making them exceptionally suitable for a wide range of high-temperature applications. Constructed from lightweight refractory materials, these bricks exhibit remarkable thermal conductivity properties, effectively capturing and hindering heat transfer. They find extensive utilization in furnaces, kilns, ovens, and other heating apparatuses that necessitate insulation against extreme temperatures. Capable of withstanding temperatures as high as 3000°F (1650°C), insulating fire bricks offer a dependable solution for high-temperature insulation requirements.

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