Refractory Mullite Insulating Fire Brick GJM28
- 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:Can insulating fire bricks be used in sewage treatment plants?
- Yes, insulating fire bricks can be used in sewage treatment plants. Insulating fire bricks are designed to have excellent thermal insulation properties, which make them suitable for high-temperature applications. In sewage treatment plants, there are often processes that involve the use of heat, such as anaerobic digestion or sludge incineration. Insulating fire bricks can be used to line the walls, floors, and roofs of the incinerators or digesters, helping to retain the heat generated and improve energy efficiency. Additionally, sewage treatment plants often deal with corrosive and abrasive environments due to the presence of chemicals, acids, and solids in the wastewater. Insulating fire bricks are made from high-quality refractory materials that are resistant to chemical attack and erosion. This makes them a suitable choice for lining tanks, pipes, or other equipment that may come into contact with corrosive substances. Furthermore, insulating fire bricks are lightweight, which makes them easier to handle and install compared to other types of refractory materials. This can be beneficial in sewage treatment plants where there might be a need for frequent maintenance or repairs. Overall, insulating fire bricks are a versatile and durable option for use in sewage treatment plants, providing excellent thermal insulation, resistance to corrosive environments, and ease of installation.
- Q:Can insulating fire bricks be used in chimneys?
- Yes, insulating fire bricks can be used in chimneys. Insulating fire bricks are designed to withstand high temperatures, making them an ideal choice for lining chimneys. They have excellent thermal insulation properties, which help to prevent heat loss and increase the efficiency of the chimney. Additionally, insulating fire bricks are lightweight and easy to install, making them a convenient option for chimney lining. However, it is important to note that insulating fire bricks are not suitable for all types of chimneys. It is recommended to consult a professional or chimney specialist to determine the appropriate materials for your specific chimney needs.
- 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.
- Q:Can insulating fire bricks be used for insulation in cement kilns?
- Yes, insulating fire bricks can be used for insulation in cement kilns. Insulating fire bricks are made from lightweight materials with high insulation properties, such as ceramic fibers or expanded clay. These bricks are designed to have low thermal conductivity, meaning they can effectively reduce heat transfer and retain heat within the kiln. Cement kilns operate at very high temperatures, often exceeding 1,400 degrees Celsius (2,500 degrees Fahrenheit). The use of insulating fire bricks in the kiln can help prevent heat loss, improve energy efficiency, and reduce fuel consumption. These bricks create a barrier between the hot gases inside the kiln and the outer environment, reducing the amount of heat that escapes. Moreover, insulating fire bricks have excellent resistance to thermal shocks, allowing them to withstand the extreme temperature fluctuations that occur in cement kilns. This durability ensures long-lasting insulation, reducing the need for frequent maintenance and replacement. However, it is important to note that the specific type and composition of insulating fire bricks required for cement kiln insulation may vary depending on the kiln's design, operating conditions, and other factors. It is advisable to consult with experts or manufacturers who specialize in refractory materials to ensure the correct selection and installation of insulating fire bricks for cement kiln insulation.
- 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. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in kilns and other heat-intensive applications like glass slumping. Their insulating properties help to maintain a consistent temperature during the slumping process, ensuring the glass molds are formed correctly.
- Q:Can insulating fire bricks be used in the construction of heat recovery systems?
- Insulating fire bricks are a viable option for heat recovery system construction. These bricks are specifically designed to endure high temperatures and deliver exceptional thermal insulation, making them an excellent choice for heat recovery systems. They are crafted from lightweight materials, such as ceramic fibers or refractory materials, which possess low thermal conductivity. This feature enables them to effectively capture and retain heat, preventing its escape from the system and maximizing energy efficiency. Moreover, insulating fire bricks exhibit resistance to thermal shock, meaning they can withstand sudden temperature fluctuations without undergoing cracks or breakage. Consequently, they are well-suited for the fluctuating heat conditions commonly encountered in heat recovery systems. Ultimately, incorporating insulating fire bricks into the construction of heat recovery systems can enhance their performance and efficiency by reducing heat loss and optimizing energy recovery.
- Q:Can insulating fire bricks be used in ceramic industry kilns?
- Yes, insulating fire bricks can be used in ceramic industry kilns. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in kilns where high heat retention and energy efficiency are important.
- Q:Can insulating fire bricks be used for insulation in autoclaves?
- Insulating fire bricks have the capability to be utilized for insulation within autoclaves. These bricks are specifically engineered to possess a minimal thermal conductivity, enabling them to proficiently retain heat and endure elevated temperatures. The insulation of autoclaves necessitates the ability to sustain a steady temperature and pressure, and insulating fire bricks excel in delivering exceptional insulation properties amidst these challenging circumstances. Furthermore, their robustness and durability render them well-suited for enduring the rigorous heat and pressure fluctuations commonly encountered in autoclaves. All in all, insulating fire bricks emerge as a dependable and efficient option for insulating autoclaves.
- Q:Can insulating fire bricks be used for high-temperature insulation?
- Yes, insulating fire bricks can be used for high-temperature insulation. These bricks are specially designed to withstand extreme temperatures, making them suitable for insulation in applications such as kilns, furnaces, and fireplaces. They have excellent thermal conductivity and can effectively reduce heat loss, making them an ideal choice for high-temperature insulation needs.
- Q:Are insulating fire bricks suitable for insulation in boilers for steam generation?
- Yes, insulating fire bricks are suitable for insulation in boilers for steam generation. These bricks have excellent thermal insulation properties, high heat resistance, and low thermal conductivity, making them ideal for reducing heat loss and improving the energy efficiency of boilers. Additionally, their lightweight and durable nature allow for easy installation and long-term performance in high-temperature environments.
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Refractory Mullite Insulating Fire Brick GJM28
- 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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