Insulating Fire Brick - Refractory Mullite GJM30
- 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: Are insulating fire bricks resistant to nitric acid?
- Yes, insulating fire bricks are generally resistant to nitric acid due to their high refractory properties and chemical stability.
- Q: Are insulating fire bricks suitable for insulation in heat treatment furnaces?
- Yes, insulating fire bricks are suitable for insulation in heat treatment furnaces. These bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. They have a low thermal conductivity, which helps to minimize heat loss and maintain a stable temperature inside the furnace. Insulating fire bricks are also lightweight, making them easier to handle and install. Additionally, they have good resistance to thermal shock, meaning they can withstand rapid changes in temperature without cracking or breaking. Overall, insulating fire bricks are a reliable and effective choice for insulation in heat treatment furnaces.
- Q: Can insulating fire bricks be used in the construction of smelting ovens?
- Indeed, the utilization of insulating fire bricks in the construction of smelting ovens is indeed possible. These fire bricks are specifically engineered to possess a low thermal conductivity, enabling them to effectively retain heat. This particular characteristic renders them particularly well-suited for applications requiring the consistent maintenance of high temperatures, such as smelting ovens. Smelting ovens serve the purpose of melting and refining various metals and minerals. These procedures entail the utilization of exceedingly high temperatures, making it crucial to minimize heat dissipation in order to ensure efficient and effective smelting. By providing exceptional insulation and reducing heat dissipation, insulating fire bricks can contribute to the achievement of this objective. Insulating fire bricks are manufactured using lightweight materials, including ceramic fibers or expanded clay, which are renowned for their superior insulating properties. These fire bricks are capable of withstanding temperatures of up to 3000°F (1650°C), rendering them suitable for the intense heat generated within smelting ovens. Moreover, insulating fire bricks demonstrate resistance against thermal shock, enabling them to endure rapid temperature fluctuations without suffering from cracks or breakages. This quality is of utmost importance in smelting processes, which frequently involve cycles of heating and cooling. Furthermore, insulating fire bricks are highly malleable and can be easily cut or shaped to accommodate specific dimensions or designs. This inherent flexibility renders them highly adaptable for the construction of smelting ovens of varying shapes and sizes. To summarize, the implementation of insulating fire bricks in the construction of smelting ovens is an exceptional choice due to their low thermal conductivity, high resistance to extreme temperatures, ability to withstand thermal shock, and ease of customization. These fire bricks effectively maintain high temperatures, minimize heat dissipation, and ensure the efficiency of smelting processes.
- Q: Are insulating fire bricks suitable for insulation in refinery heaters?
- Insulating fire bricks are indeed suitable for insulation in refinery heaters. These heaters operate at extremely high temperatures, and the insulating fire bricks are specifically designed to withstand these temperatures and provide efficient insulation. With their low thermal conductivity, these bricks effectively prevent heat from escaping the heater, thereby reducing energy loss and improving the overall efficiency of the heater. Moreover, these bricks possess exceptional thermal shock resistance, enabling them to endure sudden temperature changes without cracking or breaking. Given the frequent temperature fluctuations experienced by refinery heaters, this quality is essential. Furthermore, the lightweight nature and easy installation process of insulating fire bricks make them a convenient choice for insulation in refinery heaters. Ultimately, insulating fire bricks prove to be an appropriate and efficient option for insulation in refinery heaters.
- Q: How do insulating fire bricks affect the overall fire resistance of a structure?
- Insulating fire bricks play a crucial role in enhancing the overall fire resistance of a structure. These specialized bricks are designed to withstand high temperatures and act as an effective thermal barrier. By insulating the structure, they help to reduce heat transfer and prevent the spread of fire. Insulating fire bricks possess a low thermal conductivity, which means they do not easily conduct heat. This property enables them to absorb and store heat energy, preventing it from being transmitted to other parts of the structure. As a result, the fire is contained within a specific area, minimizing the risk of spreading to adjacent areas. Furthermore, insulating fire bricks have a high melting point, making them extremely resilient to heat. This allows them to effectively withstand prolonged exposure to intense temperatures without deforming or disintegrating. By preserving their structural integrity, these bricks ensure the stability and integrity of the overall structure during a fire event. In addition to their insulation and heat resistance properties, insulating fire bricks also act as a barrier to flames and combustion gases. Their dense composition obstructs the passage of flames and smoke, preventing them from permeating through the structure. This containment helps to limit the damage caused by fire and provides valuable time for occupants to evacuate safely. Overall, the incorporation of insulating fire bricks in the construction of a structure significantly enhances its fire resistance. They provide insulation, prevent the spread of fire, maintain structural stability, and act as a barrier against flames and smoke. By reducing heat transfer and containing the fire, insulating fire bricks play a vital role in safeguarding the structure and its occupants during a fire emergency.
- Q: Is the quality of brick made of small-sized self insulation block equipment the same as that of large block brick equipment?
- In fact, brick and tile production is only a different production, the quality of brick produced is the same, from the silver horse experience
- Q: Can insulating fire bricks be used for insulation in foundries?
- Insulating fire bricks have the capability to be utilized for insulation purposes in foundries. These bricks are specially constructed to possess a high level of thermal resistance and a low level of thermal conductivity, rendering them exceptionally suitable for scenarios that necessitate insulation. In the context of foundries, where elevated temperatures are present, insulating fire bricks can be employed to line the walls, floors, and roofs, thus diminishing heat loss and enhancing energy efficiency. Furthermore, they contribute to maintaining a consistent temperature within the foundry, thereby ensuring uniform dispersion of heat while preventing heat loss to the surrounding environment. Moreover, owing to their lightweight nature and easy installation process, insulating fire bricks emerge as a pragmatic choice for insulation in foundries.
- Q: Can insulating fire bricks be used in thermal power plants?
- Indeed, thermal power plants can utilize insulating fire bricks. These bricks are specifically engineered to furnish thermal insulation and withstand elevated temperatures, rendering them apt for deployment in thermal power plants. They find utility in diverse sections of the plant, including the lining of boilers, furnaces, and kilns, wherein they play a pivotal role in curbing heat dissipation and augmenting the overall energy efficiency of the facility. Furthermore, these bricks possess a lightweight construction and exhibit commendable thermal shock resistance, enabling them to endure the drastic temperature oscillations that transpire during power plant operations.
- Q: Can insulating fire bricks be used for insulation in gas furnaces?
- Yes, insulating fire bricks can be used for insulation in gas furnaces. Insulating fire bricks are made from lightweight materials such as clay and other minerals, which have excellent insulating properties. They are designed to withstand high temperatures and are commonly used in industrial applications, including gas furnaces. These bricks help to minimize heat loss, improve energy efficiency, and maintain high temperatures within the furnace. Additionally, insulating fire bricks are resistant to thermal shock and can withstand the corrosive effects of gases and chemicals present in gas furnaces. Therefore, they are a suitable choice for insulation in gas furnaces.
- Q: Are insulating fire bricks resistant to flame penetration?
- Indeed, the resistance of insulating fire bricks to flame penetration is undeniable. Crafted from materials boasting elevated melting points and exceptional thermal insulation properties, these bricks are engineered to endure extreme temperatures and thwart the infiltration of flames. Consequently, they are frequently employed in scenarios necessitating insulation and safeguarding against heat, including furnaces, kilns, and fireplaces. The impeccable composition and structure of insulating fire bricks confer upon them an extraordinary capacity to withstand flame penetration, thereby efficaciously confining and regulating the propagation of fire.
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Insulating Fire Brick - Refractory Mullite GJM30
- 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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