Insulation Brick insulating brick insulating fire brick GJM23, GJM26, GJM28, GJM30, GJM32

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Loading Port:
Shanghai
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TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
1000 m.t./month
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General Information of Insulating Fire Brick GJM23

 

Insulating fire bricks GJM23 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℃.

 

General Information of Insulating Fire Brick GJM26

Insulating fire brick GJM26 are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM23 temperature is 1430℃(2600℉). We could supply a wide range of shapes.

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 GJM26,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.

 

General Information of Insulating Fire Brick GJM28

Insulating fire brick GJM28 are produced by high purity alumina and low iron raw materials. A viariety of shapes are available.

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 GJM28,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.

 

General Information of Insulating Fire Brick GJM30

Insulating fire brick GJM30 are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM30 temperature is 1430℃(2600℉). We could supply a wide range of shapes.

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 GJM30,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.


Typical Application of Insulating Fire Brick

Typical applications of magnesia bricks include ferroalloy furnace, metal mixer, Non-metallurgy industry furnace, high temperature kiln, calcined lime furnace, regenerator in glass furnace.

 

Technical Data of Insulating Fire 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

 

Photo of Insulating Fire Brick

 

 

 

Q:
Yes, insulating fire bricks can be used in the construction of thermal oxidizers. Insulating fire bricks have excellent thermal insulation properties, which make them ideal for applications where high temperatures need to be contained within a specific area. Thermal oxidizers are used to combust volatile organic compounds (VOCs) at high temperatures, and the use of insulating fire bricks can help maintain the required temperature within the combustion chamber while minimizing heat loss to the surroundings. Additionally, insulating fire bricks are lightweight, durable, and have good resistance to thermal shock, which further contributes to their suitability for use in thermal oxidizers.
Q:
No, insulating fire bricks are not resistant to ultraviolet (UV) radiation.
Q:
Indeed, thermal power plants can utilize insulating fire bricks. These bricks are specifically engineered to furnish thermal insulation and withstand elevated temperatures, rendering them apt for deployment in thermal power plants. They find utility in diverse sections of the plant, including the lining of boilers, furnaces, and kilns, wherein they play a pivotal role in curbing heat dissipation and augmenting the overall energy efficiency of the facility. Furthermore, these bricks possess a lightweight construction and exhibit commendable thermal shock resistance, enabling them to endure the drastic temperature oscillations that transpire during power plant operations.
Q:
Yes, insulating fire bricks are generally resistant to alkali vapor attack. These bricks are made using high-quality refractory materials, such as fire clay or silica, which have excellent resistance to chemical attacks, including alkali vapor. They are designed to withstand high temperatures and harsh environments, making them suitable for applications where alkali vapor may be present, such as in industrial furnaces, kilns, and incinerators. However, the exact resistance may vary depending on the specific composition and manufacturing process of the insulating fire bricks. It is always recommended to consult the manufacturer's specifications or seek expert advice to ensure their compatibility with alkali vapor exposure.
Q:
Yes, insulating fire bricks are generally resistant to alkali attack.
Q:
Insulating fire bricks are primarily designed to provide thermal insulation in high-temperature environments such as furnaces, kilns, and fireplaces. While they have excellent insulation properties, they are not typically recommended for use as a structural material in load-bearing applications. Insulating fire bricks are made from lightweight refractory materials that are designed to minimize heat transfer. They have low density and are generally not as strong or durable as standard bricks or other structural materials. They are more prone to cracking, especially under heavy loads or mechanical stress. If used as a structural material, insulating fire bricks may not be able to support the weight or withstand the forces that traditional structural materials are designed to handle. This could lead to structural failure, compromising the safety and integrity of the building or structure. It is important to consult with a structural engineer or building professional to determine the appropriate materials for your specific project. They will take into consideration factors such as load requirements, safety regulations, and durability to ensure that the chosen structural materials are suitable and meet the necessary standards. In conclusion, while insulating fire bricks are effective for thermal insulation purposes, they are generally not recommended for use as a structural material due to their lower strength and durability compared to traditional structural materials.
Q:
Yes, insulating fire bricks can be used in the construction of drying ovens. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively retain heat and prevent heat loss. This makes them an ideal material for constructing drying ovens, as they can help maintain a constant and controlled temperature within the oven. Additionally, insulating fire bricks are resistant to high temperatures, making them suitable for use in drying ovens where elevated temperatures are required.
Q:
No, insulating fire bricks are not resistant to saltwater.
Q:
Insulating fire bricks contribute to reducing heat loss by their unique thermal properties and design. These bricks are made from insulating materials, such as ceramic fibers or lightweight refractory aggregates, which have low thermal conductivity. This means that they are not easily conductive to heat transfer, preventing the transfer of heat from one side of the brick to the other. Furthermore, the structure of insulating fire bricks includes small air pockets or voids within the material. These air pockets act as thermal barriers, as air is a poor conductor of heat. When heat tries to pass through the brick, it gets trapped within these voids, significantly reducing heat transfer. The insulating properties of these bricks help to create a thermal barrier in various applications, such as industrial furnaces, kilns, and fireplaces. By using insulating fire bricks as lining or insulation material, the heat loss from these systems is minimized. This not only helps to maintain a more stable and uniform temperature within the enclosed space but also increases energy efficiency by reducing the amount of heat wasted. In addition, insulating fire bricks are resistant to high temperatures, ensuring that they do not degrade or lose their insulating capabilities when exposed to extreme heat. This durability allows them to provide long-lasting insulation and contribute to reducing heat loss over an extended period. Overall, insulating fire bricks are highly effective in reducing heat loss due to their low thermal conductivity, presence of air pockets, and high-temperature resistance. Their incorporation in various thermal systems helps to conserve energy, improve thermal efficiency, and create a more comfortable and controlled environment.
Q:
Yes, insulating fire bricks can be used in the construction of heat recovery systems. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them an ideal choice for heat recovery systems. These bricks are made from lightweight materials, such as ceramic fibers or refractory materials, which have low thermal conductivity. This property allows them to effectively trap and retain heat, preventing it from escaping the system and maximizing energy efficiency. Additionally, insulating fire bricks are resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This makes them suitable for the varying heat conditions often found in heat recovery systems. Overall, using insulating fire bricks in the construction of heat recovery systems can help improve their performance and efficiency by minimizing heat loss and optimizing energy recovery.

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