Refractory Mullite Insulating Refractory Brick JM 40
- Ref Price:
-
- 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
- Q:Can insulating fire bricks be used in lime plants?
- Yes, insulating fire bricks can be used in lime plants. Insulating fire bricks are specially designed to have low thermal conductivity, which means they are excellent at preventing heat transfer. In lime plants, where high temperatures are required for the calcination process, insulating fire bricks can be used to line the kilns and other high-temperature areas. These bricks help to retain the heat within the lime kilns, reducing energy loss and improving overall efficiency. Additionally, insulating fire bricks are resistant to chemical attacks and can withstand the harsh conditions in lime plants, making them a suitable choice for this application.
- Q:What is the price of concrete self insulation bricks?
- Insulation brick prices also have a great relationship with the material and workmanship, such as clay brick price is much lower than high alumina brick, mullite and corundum brick prices will be higher.
- Q:Can insulating fire bricks be used in thermal power plants?
- Yes, insulating fire bricks can be used in thermal power plants. Insulating fire bricks are designed to provide thermal insulation and resist high temperatures, making them suitable for applications in thermal power plants. These bricks can be used in various areas of a power plant, such as in the lining of boilers, furnaces, and kilns, where they help to reduce heat loss and increase the overall energy efficiency of the plant. Additionally, insulating fire bricks are lightweight and have good thermal shock resistance, allowing them to withstand the extreme temperature fluctuations that occur in power plant operations.
- Q:What are the raw materials used in the production of insulating fire bricks?
- The raw materials used in the production of insulating fire bricks include refractory clays, kaolin, alumina, silica, and organic fibers.
- Q:Are insulating fire bricks suitable for use in the construction of drying ovens?
- Insulating fire bricks are indeed suitable for use in the construction of drying ovens. Their design aims to minimize thermal conductivity, enabling efficient heat retention within the oven. This particular feature is crucial for drying ovens as it promotes consistent and uniform temperature maintenance throughout the drying process. Moreover, insulating fire bricks possess remarkable resistance to thermal shock, ensuring they can endure rapid temperature changes that may occur during the oven's heating and cooling cycles. This durability guarantees that the bricks will not crack or break under extreme temperature conditions. Additionally, these bricks are lightweight and easy to handle, providing convenience during installation in drying ovens. Overall, their excellent insulation and thermal stability qualities make them a highly appropriate option for constructing drying ovens.
- Q:Can insulating fire bricks be used for insulation in furnaces?
- Indeed, insulation in furnaces can be achieved by utilizing insulating fire bricks. Constructed from lightweight materials like clay and minerals, these bricks possess exceptional thermal insulation characteristics. Specifically designed to endure intense temperatures, they are well-suited for furnace applications. By impeding heat leakage from the furnace, these bricks aid in diminishing heat loss and heightening energy efficiency. Furthermore, insulating fire bricks serve to safeguard the furnace's external structure from excessive heat, thereby prolonging its lifespan. All in all, when it comes to insulation in furnaces, insulating fire bricks are a dependable and efficient option.
- Q:Do insulating fire bricks require any special insulation blankets or jackets?
- Insulating fire bricks (IFBs) are designed to have excellent insulating properties, so they generally do not require any special insulation blankets or jackets. However, depending on the specific application and environment, additional insulation may be needed. If the IFBs are exposed to high temperatures or extreme thermal conditions, it may be beneficial to use insulation blankets or jackets to further enhance their insulation capabilities and protect them from damage. These additional insulation materials can help reduce heat loss, increase energy efficiency, and extend the lifespan of the IFBs. Therefore, while not always necessary, it is worth considering using insulation blankets or jackets in certain situations to optimize the performance of insulating fire bricks.
- Q:Can insulating fire bricks be used in the construction of pottery wheels?
- Yes, insulating fire bricks can be used in the construction of pottery wheels. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for various applications in the pottery industry. When used in the construction of pottery wheels, these bricks can help to retain heat, allowing for more consistent and controlled firing of pottery. Additionally, their insulating properties can help to minimize heat loss and increase energy efficiency during the pottery wheel's operation. Overall, insulating fire bricks are a popular choice for pottery wheel construction due to their ability to withstand high temperatures and provide insulation, making them a suitable material for this purpose.
- Q:Can insulating fire bricks be used in ceramic kilns?
- Certainly, ceramic kilns can make use of insulating fire bricks. These bricks are specifically crafted to possess a minimal thermal conductivity, enabling them to better retain heat. Consequently, they prove to be an excellent option for lining the kiln walls, facilitating the conservation and uniform distribution of heat within the kiln chamber. Furthermore, these fire bricks are lightweight and possess exceptional resilience against thermal shock, rendering them highly durable and capable of withstanding the elevated temperatures commonly achieved in ceramic kilns.
- Q:What is the thermal expansion of insulating fire bricks?
- Insulating fire bricks undergo changes in dimensions or volume when subjected to temperature variations. These bricks are designed to possess low thermal conductivity and high heat resistance, making them ideal for situations that require insulation and heat containment. Compared to other fire brick varieties, insulating fire bricks exhibit relatively minimal thermal expansion. This is attributed to their composition and manufacturing process, which typically involve lightweight materials like clay, alumina, and silica mixed with organic additives. The low thermal expansion of insulating fire bricks allows them to maintain their shape and structural integrity, even under high temperature conditions. This characteristic is especially crucial in applications that involve thermal cycling, such as furnaces, kilns, and thermal insulation systems. To determine the precise thermal expansion coefficient of a particular brand or type of insulating fire brick, it is necessary to take into account its specific composition and manufacturing process. However, in general, insulating fire bricks possess a lower thermal expansion coefficient compared to conventional fire bricks. This ensures their stability and durability in environments with elevated temperatures.
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Refractory Mullite Insulating Refractory Brick JM 40
- Ref Price:
-
- 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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