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 suitable for use in glass melting furnaces?
- Yes, insulating fire bricks are suitable for use in glass melting furnaces. Insulating fire bricks have high thermal resistance and low thermal conductivity, making them ideal for retaining heat and preventing heat loss in the furnace. Additionally, their lightweight and porous nature allow for efficient energy utilization and reduced fuel consumption.
- Q: Can insulating fire bricks be used for fireplace construction?
- Indeed, insulating fire bricks are suitable for constructing fireplaces. These bricks are specifically engineered to endure extreme temperatures while offering superb insulation, rendering them perfect for lining fireplaces. They aid in retaining heat, improving fireplace efficiency, and preventing heat dissipation. Furthermore, insulating fire bricks possess a lightweight quality, facilitating easier handling and installation. Ultimately, opting for insulating fire bricks in fireplace construction is a pragmatic decision that can enhance fireplace performance and energy efficiency.
- Q: What is the difference between insulating fire bricks and regular fire bricks?
- Insulating fire bricks and regular fire bricks have different thermal properties and applications. Insulating fire bricks are specifically designed for their excellent insulation capabilities, making them perfect for situations where heat retention is crucial. These bricks have low thermal conductivity, which allows them to minimize heat transfer and maintain the desired temperature in enclosed spaces. As a result, they are commonly used in industries such as iron and steel, ceramics, glass, and petrochemicals, where efficient containment of high temperatures is necessary. On the other hand, regular fire bricks, also known as refractory bricks, focus more on enduring extreme heat and maintaining structural integrity in high-temperature environments. They are typically made from dense materials like clay or silica, which provide excellent resistance to heat, chemicals, and mechanical stress. Regular fire bricks are widely utilized in fireplaces, wood-burning stoves, kilns, and other heating appliances, as their dense composition ensures durability and resistance to thermal shock. To summarize, insulating fire bricks prioritize heat insulation, while regular fire bricks prioritize heat resistance and structural stability. The choice between the two depends on the specific requirements of the application. Insulating fire bricks are ideal for industries that require heat retention, while regular fire bricks are suitable for high-temperature environments where durability and resilience are crucial.
- Q: Can insulating fire bricks be used as a backup insulation in refractory linings?
- Yes, insulating fire bricks can be used as a backup insulation in refractory linings. Insulating fire bricks are designed to have low thermal conductivity, which makes them effective in reducing heat transfer in high-temperature applications. Their insulating properties make them ideal for use as a backup insulation layer in refractory linings, helping to further reduce heat loss and improve overall energy efficiency. Additionally, insulating fire bricks are lightweight, which makes them easier to handle and install compared to other refractory materials. However, it is important to consider the specific requirements of the application and consult with a refractory engineer to ensure that insulating fire bricks are suitable for the specific conditions and performance requirements of the refractory lining.
- Q: How long do insulating fire bricks last?
- Insulating fire bricks have been designed to endure high temperatures and offer exceptional insulation properties. The duration of their lifespan can differ based on various factors, such as the quality of the bricks, the temperature they encounter, and the level of maintenance they receive. Typically, insulating fire bricks can endure for numerous years, commonly ranging from 10 to 20 years or even more. Nevertheless, it is crucial to acknowledge that their lifespan may be notably shortened if they are frequently exposed to extreme temperatures or thermal shock. The lifespan of insulating fire bricks can be prolonged through regular maintenance and appropriate usage. This encompasses periodic cleansing to eliminate any debris or accumulation that could impact their performance. Additionally, it is vital to avoid abrupt temperature fluctuations or excessive stress on the bricks, as this can result in cracking or damage. In conclusion, the longevity of insulating fire bricks can vary. However, by practicing proper care and maintenance, they can offer dependable insulation for numerous years in high-temperature scenarios.
- Q: Are insulating fire bricks suitable for insulation in heat treatment furnaces?
- Insulation in heat treatment furnaces can be effectively achieved by using insulating fire bricks. These bricks have been specifically engineered to endure high temperatures while offering exceptional thermal insulation. Their low thermal conductivity aids in reducing heat loss and ensuring a consistent temperature within the furnace. Furthermore, insulating fire bricks are lightweight, facilitating easier handling and installation. Moreover, they exhibit considerable resistance to thermal shock, enabling them to withstand sudden temperature variations without sustaining any cracks or fractures. To sum up, opting for insulating fire bricks proves to be a trustworthy and efficient solution for heat treatment furnace insulation.
- Q: Can insulating fire bricks be used in fireplace construction?
- Yes, insulating fire bricks can be used in fireplace construction. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining fireplaces. They help to retain heat and prevent the transfer of heat to the surrounding structure, thus increasing the efficiency of the fireplace and reducing the risk of damage to the surrounding materials. Additionally, insulating fire bricks are lightweight and easy to handle, making them ideal for fireplace construction.
- Q: Can insulating fire bricks be used for insulation in power plants?
- Yes, insulating fire bricks can be used for insulation in power plants. These bricks are specially designed to withstand high temperatures and provide excellent thermal insulation. They help in reducing heat loss and improving energy efficiency in various industrial applications, including power plants.
- Q: Are insulating fire bricks suitable for use in the construction of smelters?
- Yes, insulating fire bricks are suitable for use in the construction of smelters. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties, making them ideal for applications such as smelters. They have low thermal conductivity, meaning they can effectively retain heat and reduce energy loss during the smelting process. Additionally, insulating fire bricks are resistant to thermal shock, which is crucial in smelting operations where rapid temperature changes are common. Their high heat resistance and insulation capabilities make insulating fire bricks a reliable choice for constructing smelters.
- Q: Do insulating fire bricks require any maintenance?
- Insulating fire bricks, also known as refractory bricks, have been designed to endure high temperatures and offer exceptional insulation properties. One notable advantage of these bricks is their minimal maintenance requirements. These bricks are crafted from specialized materials that exhibit high heat resistance and are not easily prone to cracking or breaking, thereby reducing the need for frequent repairs or replacements. Nevertheless, similar to other materials, insulating fire bricks may accumulate dust or debris over time. To preserve their effectiveness and extend their lifespan, it is recommended to regularly clean them by employing a soft brush or vacuum cleaner to eliminate any loose particles. Additionally, it is crucial to periodically inspect the bricks for any signs of damage, such as cracks or erosion. Promptly addressing any identified issues is vital to prevent further deterioration. In summary, although insulating fire bricks do not demand extensive upkeep, regular cleaning and inspection are essential to ensure their optimal performance and longevity.
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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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