Insulating Fire Brick - Mullite Jm 31 Refractory Brick
- 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 Density,g/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
Common problem solution
1. What products do you have?
We have all kinds of refractory bricks, refractory casting materials, mortar, cement, ceramic fiber products, etc..
Or you can browse our products to choose what you need.
2. How to control product quality?
With strict quality control system throughout the material selection and production process, we have the quality of refractory materials and ceramic fiber products to meet customer requirements.
From the selection of raw materials, the quality of our control to start. The quality of the raw materials required for each batch of products in the use of the front line test. In the production process, through the quality control of workers, and then to each piece of classification, and through quality supervision and inspection.
3. Could you give me a brief introduction to the application of your product?
My Company is mainly engaged in steel, cement, glass, ceramics, petrochemical, electric power and other industries.
4. If I need you, what kind of information do you need?
In order to select the right products, we will provide us with information, such as the United States, technical data, order quantity, product applications, etc..
If you have any questions, please contact us.
- Q: Can insulating fire bricks be used as a lining for kiln cars?
- Yes, insulating fire bricks can be used as a lining for kiln cars. These bricks are designed to withstand high temperatures and have excellent insulating properties, making them ideal for use in kilns where heat retention is required. Additionally, their lightweight nature makes them suitable for use on kiln cars, which need to be moved frequently.
- Q: Are insulating fire bricks resistant to flame penetration?
- Yes, insulating fire bricks are resistant to flame penetration. Insulating fire bricks are made from materials that have high melting points and excellent thermal insulation properties. They are designed to withstand high temperatures and can resist flame penetration. These bricks are often used in applications where there is a need for insulation and protection against heat, such as in furnaces, kilns, and fireplaces. The composition and structure of insulating fire bricks make them highly resistant to flame penetration, allowing them to effectively contain and control the spread of fire.
- Q: What is the typical weight of an insulating fire brick?
- The typical weight of an insulating fire brick can vary depending on the specific type and manufacturer. However, on average, an insulating fire brick weighs between 2.5 to 3.5 pounds (1.1 to 1.6 kilograms). It is important to note that this weight estimation is for a standard-sized brick, typically measuring 9 x 4.5 x 2.5 inches (22.9 x 11.4 x 6.4 centimeters). Different densities and compositions of insulating fire bricks can result in slight variations in weight, so it is always advisable to refer to the manufacturer's specifications for accurate information.
- Q: Can insulating fire bricks be used in the construction of autoclaves?
- Yes, insulating fire bricks can be used in the construction of autoclaves. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in autoclaves where high heat and pressure are involved.
- Q: Are insulating fire bricks resistant to thermal expansion or contraction?
- Indeed, insulating fire bricks exhibit a remarkable resistance to thermal expansion and contraction. These bricks are composed of materials possessing minimal thermal conductivity, enabling them to endure elevated temperatures without experiencing substantial expansion or contraction. This characteristic renders them exceptionally well-suited for scenarios necessitating thermal stability and insulation, including kilns, furnaces, and various high-temperature settings.
- Q: Are insulating fire bricks suitable for use in the construction of smelters?
- Insulating fire bricks are indeed appropriate for the construction of smelters. These bricks are specifically engineered to endure high temperatures and offer exceptional insulation qualities, thus rendering them a perfect choice for smelting purposes. Their thermal conductivity is low, enabling efficient heat retention and minimized energy wastage throughout the smelting procedure. Moreover, insulating fire bricks exhibit resistance to thermal shock, a vital feature in smelting operations characterized by abrupt temperature fluctuations. Thus, owing to their superior capacity to withstand heat and insulate, insulating fire bricks present a dependable option for smelter construction.
- Q: Can insulating fire bricks be used in steam boilers?
- Indeed, steam boilers can utilize insulating fire bricks. The purpose of insulating fire bricks is to possess minimal thermal conductivity, enabling them to efficiently retain and impede the transmission of heat from one side to the other. This renders them suitable for implementation in steam boilers, as they aid in enhancing energy efficiency by diminishing heat loss. Moreover, insulating fire bricks exhibit resistance to elevated temperatures, rendering them fitting for deployment in the steam boiler's high-temperature surroundings.
- Q: Can insulating fire bricks be used in the construction of combustion flues?
- Yes, insulating fire bricks can be used in the construction of combustion flues. Insulating fire bricks are designed to withstand high temperatures, making them ideal for use in environments where heat resistance is required. Combustion flues are exposed to extreme heat and gases generated during combustion, and insulating fire bricks can help protect the flue structure from the intense heat and prevent heat loss. Additionally, these bricks have low thermal conductivity, meaning they are effective in insulating and retaining heat within the flue. This can help improve the efficiency of the combustion process and minimize energy waste. Overall, the use of insulating fire bricks in the construction of combustion flues can enhance safety, efficiency, and longevity of the flue system.
- Q: Can insulating fire bricks be used in fireplaces?
- Yes, insulating fire bricks can be used in fireplaces. They are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining the inside of fireplaces.
- Q: Can insulating fire bricks be used as a refractory material?
- Yes, insulating fire bricks can be used as a refractory material. Insulating fire bricks are specifically designed to withstand high temperatures and thermal shock, making them suitable for applications that require heat insulation and refractory properties. They have low thermal conductivity, which helps to reduce heat loss and conserve energy. Insulating fire bricks are commonly used in various industries, including steel, glass, ceramics, and petrochemicals, where they are used as lining materials in furnaces, kilns, ovens, and other high-temperature equipment. Their ability to withstand extreme temperatures, coupled with their insulating properties, makes them an excellent choice for refractory applications.
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Insulating Fire Brick - Mullite Jm 31 Refractory Brick
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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