Insulating Fire Brick - Refractory Mullite Insulating Fire Brick GJM23
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- 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: Can insulating fire bricks be used in kilns?
- Indeed, kilns can utilize insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures while offering exceptional insulation, rendering them highly suitable for kiln applications. Their low thermal conductivity plays a pivotal role in preserving the heat generated within the kiln, guaranteeing efficient and consistent heating. Furthermore, their lightweight nature facilitates effortless handling and installation in kilns. Moreover, they exhibit resistance to thermal shock, enabling them to withstand abrupt temperature fluctuations without succumbing to cracks or breakage. All in all, insulating fire bricks emerge as a dependable and efficient option for kiln usage.
- Q: Are insulating fire bricks resistant to high-velocity gas flow erosion?
- Insulating fire bricks are generally capable of resisting erosion caused by high-velocity gas flow. These bricks are engineered to endure extreme temperatures and harsh conditions, including environments prone to erosion. They are crafted from top-notch refractory materials, like alumina and silica, renowned for their outstanding resistance to erosion and corrosion. Moreover, insulating fire bricks possess low thermal conductivity, aiding in minimizing heat loss and preserving their structural integrity even when subjected to high-velocity gas flow. Nonetheless, it is crucial to acknowledge that the precise level of resistance may differ depending on the unique composition and manufacturing techniques employed in creating the insulating fire bricks.
- Q: Advantages and disadvantages of wall insulation system?
- Disadvantages: high cost, difficult construction (especially high-rise), construction technology requirements, the effect of high wall decoration (wall tiling and high technological requirements).
- Q: Can insulating fire bricks be used in residential fireplaces?
- Yes, insulating fire bricks can be used in residential fireplaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them a suitable choice for fireplace construction. These bricks can help retain heat, increase energy efficiency, and prevent heat loss. They also offer superior protection against thermal shock, which is essential for withstanding the intense heat generated by a fireplace. Additionally, insulating fire bricks are lightweight, easy to handle, and can be easily shaped or cut to fit any fireplace design or size. Overall, using insulating fire bricks in residential fireplaces is a wise choice for homeowners looking to enhance the performance and safety of their fireplace.
- 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: Can insulating fire bricks be used in the construction of thermal oxidizers?
- 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: Can insulating fire bricks be used in high-temperature insulation blankets for aerospace applications?
- Yes, insulating fire bricks can be used in high-temperature insulation blankets for aerospace applications. Insulating fire bricks are known for their ability to withstand high temperatures and provide excellent insulation properties. By incorporating them into insulation blankets, they can effectively protect against heat transfer and maintain thermal stability in aerospace applications.
- 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: Are insulating fire bricks suitable for use in heat exchangers?
- Depending on the specific requirements and conditions of the heat exchanger application, insulating fire bricks can be considered as a suitable option. These bricks possess exceptional thermal insulation properties, low thermal conductivity, and a remarkable ability to withstand high temperatures. As a result, they effectively minimize heat loss and conserve energy within heat exchanger systems. Moreover, insulating fire bricks are lightweight and possess good mechanical strength, allowing for convenient installation and maintenance. They are also resistant to thermal shock and chemical corrosion, guaranteeing durability and longevity even in harsh operating environments. Nevertheless, it is important to acknowledge that insulating fire bricks may not be appropriate for all heat exchanger applications. In instances where efficient heat transfer necessitates high thermal conductivity, alternative materials with greater thermal conductivity should be taken into consideration, particularly in certain industrial heat exchangers. Ultimately, the suitability of insulating fire bricks in heat exchangers relies on specific factors such as the operating conditions, design requirements, and performance expectations of the system. Therefore, it is advisable to consult experts or engineers well-versed in heat exchanger design and materials to determine the most suitable choice for a particular application.
- Q: Do insulating fire bricks have a high thermal stability?
- Insulating fire bricks possess a remarkable level of thermal stability, as they are specifically engineered to endure elevated temperatures without degradation or the loss of their insulating properties. Crafted from top-notch refractory materials capable of withstanding extreme temperatures, these bricks are exceptionally well-suited for situations where thermal stability is of utmost importance. Their low thermal conductivity enables them to effectively trap and retain heat, thus preventing its escape. Consequently, they are particularly valuable in environments necessitating consistent temperatures, such as furnaces, kilns, and various high-temperature industrial processes. In summary, insulating fire bricks are renowned for their exceptional thermal stability, rendering them a dependable option for applications demanding insulation and safeguarding against high temperatures.
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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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