Insulating Fire Brick - Refractory Mullite Insulating Fire Brick GJM23
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 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
CMAX insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.
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 | --- |
- Q: What is the price of thermal insulation brick for exterior wall?
- But also depends on how your drawings are made, so as to quote a specific price. There is also the price of each place is not the same, so the quotation will be different.
- Q: Are insulating fire bricks suitable for use in glass melting furnaces?
- Insulating fire bricks can be suitable for use in glass melting furnaces, depending on the specific requirements of the furnace and the type of glass being melted. Insulating fire bricks are made from lightweight materials with low thermal conductivity, which makes them effective at retaining heat and reducing energy loss in the furnace. This can help improve the energy efficiency of the furnace and reduce operating costs. However, it is important to consider the temperature and atmosphere inside the glass melting furnace when choosing the type of insulating fire bricks. Glass melting furnaces operate at extremely high temperatures, often exceeding 1500°C (2732°F). Some insulating fire bricks may not be able to withstand such high temperatures and could degrade or even melt under these conditions. Additionally, the atmosphere inside the glass melting furnace can have an impact on the suitability of the insulating fire bricks. Some types of insulating fire bricks may react with certain gases or chemicals present in the furnace atmosphere, leading to degradation or contamination of the glass being melted. Therefore, it is crucial to select insulating fire bricks that are compatible with the specific atmosphere and conditions inside the glass melting furnace. In summary, insulating fire bricks can be suitable for use in glass melting furnaces, but careful consideration must be given to their temperature resistance and compatibility with the furnace atmosphere. Consulting with experts or suppliers who specialize in refractory materials for glass melting furnaces can help ensure the appropriate selection of insulating fire bricks for optimal furnace performance and glass quality.
- Q: How do insulating fire bricks affect heating or cooling times?
- Insulating fire bricks help to reduce heating or cooling times by providing excellent thermal insulation. They have low thermal conductivity, which means they minimize heat transfer between the hot or cold surface and the surrounding environment. As a result, insulating fire bricks can effectively retain heat or coldness, allowing for faster heating or cooling of the desired area.
- Q: Can insulating fire bricks be used in the construction of industrial furnaces?
- Yes, insulating fire bricks can be used in the construction of industrial furnaces. These bricks are designed to withstand high temperatures and have excellent thermal insulation properties, making them ideal for lining the walls, roofs, and floors of industrial furnaces. They help to reduce heat loss, improve energy efficiency, and ensure the furnace operates at optimal temperatures.
- Q: Can insulating fire bricks be used as a thermal barrier?
- Yes, insulating fire bricks can be used as a thermal barrier. These bricks have high thermal resistance and low thermal conductivity, making them effective in reducing heat transfer. They are commonly used in applications where thermal insulation is required, such as in furnaces, kilns, and fireplaces, to prevent heat loss and protect surrounding areas from excessive heat.
- 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: Can insulating fire bricks be used in the construction of lime production ovens?
- Yes, insulating fire bricks can be used in the construction of lime production ovens. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. Lime production ovens require materials that can withstand the extreme heat generated during the process of converting limestone into lime. Insulating fire bricks not only have a high heat resistance, but they also have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency in the lime production process. Additionally, insulating fire bricks are lightweight and easy to handle, making them suitable for the construction of lime production ovens.
- Q: Can insulating fire bricks be used in the construction of glass slump molds?
- Yes, insulating fire bricks can be used in the construction of glass slump molds. Insulating fire bricks are made of lightweight materials that are able to withstand high temperatures, making them suitable for use in kilns and other heat-intensive applications. When constructing a glass slump mold, it is important to have a material that can withstand the heat of the glass as it slumps and takes shape. Insulating fire bricks provide the necessary insulation and heat resistance required for this process. They can be cut and shaped to fit the desired mold design and can withstand repeated firings without degrading or crumbling. Overall, insulating fire bricks are a reliable and durable option for constructing glass slump molds.
- Q: Can insulating fire bricks be used in kiln car construction?
- Insulating fire bricks, which are manufactured using lightweight materials like ceramic fibers or lightweight refractory aggregates, can be utilized in the construction of kiln cars. These bricks possess exceptional insulating properties and have a low thermal conductivity, enabling them to effectively retain heat and prevent heat transfer to the outer surface of the kiln car. Incorporating insulating fire bricks into kiln car construction offers numerous advantages. Firstly, it aids in reducing heat loss, thereby enhancing energy efficiency and reducing fuel consumption. This benefit is especially significant in high-temperature applications such as kilns, where maintaining a consistent temperature is of utmost importance. Secondly, the utilization of insulating fire bricks helps safeguard the kiln car from thermal stresses and cracking. Due to the firing cycles, kilns experience substantial temperature fluctuations, and the presence of insulating fire bricks minimizes thermal shock, consequently prolonging the lifespan of the kiln car. Additionally, insulating fire bricks are notably lighter compared to conventional refractory bricks, making them more manageable and easier to install during kiln car construction. This, in turn, can result in cost savings related to labor and transportation expenses. However, it is crucial to note that insulating fire bricks possess lower strength and durability when compared to denser refractory bricks. Therefore, they are typically used in the hot face lining of kilns, while a more robust material is employed for the kiln car structure. In summary, the effective utilization of insulating fire bricks in kiln car construction can yield benefits such as improved energy efficiency, protection against thermal stresses, and overall enhancement of kiln performance.
- Q: Can insulating fire bricks be used in the construction of crucible furnaces?
- Yes, insulating fire bricks can be used in the construction of crucible furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for lining the walls of crucible furnaces. They help to retain heat, reduce energy consumption, and ensure efficient melting and casting processes.
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Insulating Fire Brick - Refractory Mullite Insulating Fire Brick GJM23
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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