Refractory Mullite Insulating Refractory Brick JM 27
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- Shanghai
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- 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:What is the cost of insulating fire bricks?
- The cost of insulating fire bricks can vary depending on factors such as the size, quantity, and supplier. Generally, they can range from a few dollars per brick to around $10-20 per brick. It is recommended to research and compare prices from different suppliers to find the best deal.
- Q:Are insulating fire bricks resistant to spalling?
- Yes, insulating fire bricks are resistant to spalling. Insulating fire bricks are specifically designed to withstand high temperatures and thermal shock, making them highly resistant to spalling. Spalling refers to the cracking and breaking of bricks due to exposure to extreme heat. Insulating fire bricks are made from high-quality refractory materials that have a low thermal conductivity, which helps to reduce the transfer of heat and minimize the risk of spalling. Additionally, insulating fire bricks have a high melting point, which makes them ideal for applications that involve high temperatures. Therefore, insulating fire bricks are commonly used in furnaces, kilns, and other high-temperature environments where spalling is a concern.
- Q:What materials are used for roof insulation?
- There are two kinds: one is a kind of cotton insulation board, such as rock wool board, aluminum silicate cotton board, but this is not environmental protection, harmful to life, foam board (this fire safety factor minimum), these relatively cheap.
- Q:Are insulating fire bricks resistant to warping?
- Yes, insulating fire bricks are resistant to warping. They are specifically designed to have high thermal stability and low thermal conductivity, which helps to prevent warping even under high temperatures.
- Q:Do insulating fire bricks have a high resistance to creep?
- Yes, insulating fire bricks generally have a high resistance to creep. The low thermal conductivity and high refractoriness of these bricks allow them to withstand high temperatures without significant deformation or creep.
- Q:Do insulating fire bricks require special installation techniques?
- Insulating fire bricks do not necessarily require special installation techniques, but there are certain considerations to keep in mind during the installation process. These bricks are designed to withstand high temperatures and provide thermal insulation, making them ideal for lining fireplaces, kilns, furnaces, and other high-temperature applications. While the installation process may vary depending on the specific application, there are general guidelines to follow. First, it is important to ensure that the surface where the bricks will be installed is clean and free of debris. This will help the bricks adhere properly and ensure a secure installation. Next, it is recommended to use a high-temperature refractory mortar or adhesive to bond the bricks together and to the surface. This mortar should be specifically designed for high-temperature applications to ensure its durability and resistance to heat. It is important to follow the manufacturer's instructions for mixing and applying the mortar. When installing the bricks, it is crucial to achieve proper alignment and tight joints to maximize the insulating properties of the bricks. This can be achieved by using a level and a rubber mallet to tap the bricks into place, ensuring they are evenly and tightly positioned. Additionally, it is important to allow for expansion and contraction of the bricks due to the high temperatures they will be exposed to. This can be done by leaving small gaps between the bricks and using expansion joints or flexible materials in areas where movement is expected. Finally, it is advisable to consult the manufacturer's guidelines and recommendations for specific installation techniques and considerations. Different types of insulating fire bricks may have slightly different requirements, so it is important to follow the instructions provided by the manufacturer. Overall, while insulating fire bricks do not require overly complex installation techniques, it is important to pay attention to details and follow the recommended guidelines to ensure a successful and long-lasting installation.
- Q:Can insulating fire bricks be used for insulation in cement kilns?
- Insulation in cement kilns can be achieved by using insulating fire bricks. These bricks are made from lightweight materials like ceramic fibers or expanded clay, which possess high insulation properties. Their low thermal conductivity allows them to effectively reduce heat transfer and retain heat within the kiln. Cement kilns operate at extremely high temperatures, often surpassing 1,400 degrees Celsius (2,500 degrees Fahrenheit). Incorporating insulating fire bricks in the kiln helps prevent heat loss, enhances energy efficiency, and reduces fuel consumption. By creating a barrier between the hot gases inside the kiln and the surrounding environment, these bricks minimize heat escape. Additionally, insulating fire bricks exhibit remarkable resistance to thermal shocks, enabling them to withstand the severe temperature fluctuations that occur in cement kilns. This durability ensures long-lasting insulation, minimizing the need for frequent maintenance and replacement. Nevertheless, it is crucial to note that the specific type and composition of insulating fire bricks required for cement kiln insulation may vary depending on factors such as the kiln's design and operating conditions. Consulting with experts or manufacturers specializing in refractory materials is advisable to ensure the correct selection and installation of insulating fire bricks for cement kiln insulation.
- Q:Do insulating fire bricks require a refractory mortar for installation?
- Yes, insulating fire bricks typically require a refractory mortar for proper installation. Insulating fire bricks are lightweight and have high insulating properties, making them ideal for applications where thermal efficiency is important. However, due to their lightweight nature, they can be more fragile and prone to cracking or breaking under stress. Using a refractory mortar specifically designed for high-temperature applications helps ensure a strong and durable bond between the bricks. Refractory mortars are formulated to withstand high temperatures and provide excellent adhesion and thermal expansion properties. This mortar helps to create a solid and secure structure by filling in gaps between the bricks and providing additional support. Without the use of refractory mortar, insulating fire bricks may not be properly secured and could shift or separate over time, compromising the integrity of the installation. Additionally, the absence of refractory mortar may result in reduced thermal efficiency due to increased heat loss through gaps and spaces between the bricks. Therefore, it is highly recommended to use a refractory mortar when installing insulating fire bricks to ensure a strong and long-lasting construction.
- Q:Can insulating fire bricks be used in refractory castings?
- Indeed, refractory castings can incorporate insulating fire bricks. Due to their lightweight nature and exceptional insulation abilities, insulating fire bricks are ideal for tasks that demand thermal insulation. Such tasks include the creation of linings in furnaces, kilns, and other equipment that operates at high temperatures. To achieve thermal insulation and minimize heat loss, insulating fire bricks can be utilized either as a layer or as an element within the refractory casting mixture. Furthermore, their low thermal conductivity aids in reducing energy consumption and sustaining elevated temperatures within the casting.
- Q:Can insulating fire bricks be used for insulation in cold storage facilities?
- Indeed, insulating fire bricks have the capability to be utilized for insulation purposes within cold storage facilities. These bricks are fashioned from lightweight materials possessing exceptional insulating properties, such as ceramic or refractory fibers. Their low thermal conductivity allows for the efficient prevention of heat transfer and the maintenance of a consistent temperature inside the cold storage facility. Moreover, these bricks exhibit resistance to extreme cold temperatures and possess the ability to endure thermal shock, rendering them fitting for employment in cold storage applications. Furthermore, insulating fire bricks possess durability and are capable of providing long-term insulation, thereby reducing energy consumption and preserving the desired temperature required for storing perishable goods.
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Refractory Mullite Insulating Refractory Brick JM 27
- 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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