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:Can insulating fire bricks be used in chimneys or flues?
- It is not advisable to use insulating fire bricks directly in chimneys or flues due to their primary purpose of insulation rather than being a structural component. Chimneys and flues require refractory bricks that are specifically engineered to withstand the intense heat and corrosive byproducts of combustion. These refractory bricks have high thermal resistance and exceptional durability, ensuring the safe and efficient operation of the chimney or flue. Therefore, it is recommended to use refractory bricks instead of insulating fire bricks for construction or repair purposes in chimneys and flues.
- Q:Are insulating fire bricks resistant to thermal stress?
- Yes, insulating fire bricks are resistant to thermal stress. These bricks are specially manufactured to withstand high temperatures and thermal fluctuations without cracking or breaking. They are made from refractory materials that have excellent thermal insulation properties and can handle extreme heat conditions. Insulating fire bricks have low thermal conductivity, meaning they can effectively resist heat transfer and maintain their structural integrity even when exposed to rapid temperature changes. They are commonly used in applications such as kilns, furnaces, and fireplaces, where thermal stress is a significant concern. Overall, insulating fire bricks are designed to provide reliable and durable insulation while withstanding the thermal stress associated with high-temperature environments.
- Q:Are insulating fire bricks resistant to impact or mechanical stress?
- Yes, insulating fire bricks are generally resistant to impact and mechanical stress due to their high strength and durability.
- Q:Can insulating fire bricks be used in the construction of smelting crucibles?
- Certainly, one can utilize insulating fire bricks in the construction of smelting crucibles. These bricks have been specifically designed to endure high temperatures and offer exceptional insulation. They find wide usage in various applications that demand heat retention and protection, such as kilns and furnaces. Smelting crucibles, which are employed for the purpose of melting and refining metals, also necessitate materials capable of withstanding extreme temperatures. Insulating fire bricks prove to be an ideal selection for constructing smelting crucibles due to their ability to sustain a consistent temperature within the crucible and prevent heat loss. Furthermore, their insulating properties contribute to reduced energy consumption and heightened efficiency in the smelting process.
- Q:Can insulating fire bricks be used in residential applications, such as fireplaces or ovens?
- Residential applications like fireplaces or ovens can indeed utilize insulating fire bricks. These bricks are specifically designed for enduring high temperatures and providing outstanding thermal insulation. They are crafted from lightweight materials like clay or alumina, which possess low thermal conductivity. This attribute assists in retaining the heat within the fireplace or oven, enhancing efficiency and reducing energy consumption. Moreover, insulating fire bricks exhibit exceptional resilience against thermal shock, enabling them to withstand sudden temperature fluctuations without cracking or breaking. Additionally, these bricks are non-combustible, ensuring they can withstand the intense temperatures produced in fireplaces or ovens without posing a fire hazard. Consequently, insulating fire bricks are a suitable option for residential applications requiring high temperatures and thermal insulation.
- Q:Can insulating fire bricks be used in the construction of ceramic fiber-lined kilns?
- Yes, insulating fire bricks can be used in the construction of ceramic fiber-lined kilns. Insulating fire bricks are designed to provide excellent insulation and can help increase the energy efficiency of the kiln. By using insulating fire bricks, the kiln can reach and maintain higher temperatures while minimizing heat loss through the walls.
- Q:Can insulating fire bricks be used in the construction of foundry molds?
- Insulating fire bricks are capable of being utilized in the construction of foundry molds. These bricks are produced using lightweight materials like clay, alumina, and silica, and are specifically designed to possess low thermal conductivity. This quality renders them ideal for various applications that necessitate resistance against high temperatures and insulation, particularly foundry molds. Foundry molds are employed to shape and retain molten metal during the casting procedure. Given that molten metal is generally poured at exceedingly high temperatures, it becomes imperative to employ materials that can endure the heat without melting or distorting. Insulating fire bricks possess a high melting point and exceptional thermal stability, making them appropriate for usage in foundry molds. Furthermore, apart from their resistance to high temperatures, insulating fire bricks also offer commendable insulation properties. This proves to be crucial in foundry molds as it assists in regulating the cooling rate of the molten metal, thereby preventing thermal shock and ensuring proper solidification. The insulation properties of insulating fire bricks also contribute to lowering energy consumption and enhancing the overall efficiency of the foundry process. All in all, insulating fire bricks are an enduring and efficient choice for the construction of foundry molds. They provide resistance against high temperatures, excellent thermal stability, and reliable insulation properties, thus establishing themselves as a dependable option for employment in the demanding conditions of foundry operations.
- Q:Can insulating fire bricks be used in biomass boilers?
- Yes, insulating fire bricks can be used in biomass boilers. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in biomass boilers where heat retention is crucial for efficient combustion.
- Q:Can insulating fire bricks be used in kilns or furnaces?
- Yes, insulating fire bricks can be used in kilns or furnaces. Insulating fire bricks are designed specifically to withstand high temperatures and thermal shock, making them ideal for use in kilns or furnaces. They have excellent insulating properties, which help to conserve heat and improve energy efficiency. Additionally, insulating fire bricks are lightweight and easy to install, making them a popular choice for lining the walls and floors of kilns or furnaces. Overall, insulating fire bricks are a reliable and effective solution for maintaining high temperatures and ensuring optimal performance in kilns or furnaces.
- 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.
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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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