Customized Shape Insulating Fire Brick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 17 m.t.
- Supply Capability:
- 30000 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 insulation in refinery heaters?
- Yes, insulating fire bricks are suitable for insulation in refinery heaters. These bricks are specifically designed to withstand high temperatures and provide excellent insulation properties, making them ideal for use in refinery heaters where insulation is crucial to minimize heat loss and improve energy efficiency.
- Q:Are insulating fire bricks suitable for use in chimneys and fireplaces?
- Yes, insulating fire bricks are suitable for use in chimneys and fireplaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight materials such as ceramic fibers or lightweight aggregates, which help to retain heat and prevent heat loss. This makes them ideal for lining chimneys and fireplaces as they can effectively trap and radiate heat, resulting in improved energy efficiency. Additionally, insulating fire bricks have low thermal conductivity, meaning they can resist cracking and spalling caused by rapid temperature changes, ensuring their durability and longevity. Overall, insulating fire bricks are a reliable and effective choice for enhancing the performance and safety of chimneys and fireplaces.
- Q:Do insulating fire bricks require special handling?
- Yes, insulating fire bricks do require special handling. These bricks are made from lightweight refractory materials and are designed to withstand high temperatures. Due to their fragile nature, they should be handled with care to prevent breakage or damage. It is recommended to use proper lifting and carrying techniques, such as wearing gloves and using tongs or lifters, to avoid accidents or injuries. Additionally, insulating fire bricks should be stored in a dry and protected area to prevent moisture absorption, which can affect their thermal properties.
- Q:Are insulating fire bricks suitable for insulation in walls?
- Typically, insulating fire bricks are unsuitable for wall insulation. Although they excel in high-temperature settings, like furnaces or kilns, their insulation capabilities for walls are limited. Insulating fire bricks possess lower thermal conductivity than regular bricks, resulting in slower heat conduction. Nevertheless, they are not as effective as wall-specific insulation materials such as fiberglass, foam boards, or mineral wool. These materials are engineered to offer superior insulation properties, including higher R-values that measure resistance to heat transfer. Furthermore, insulating fire bricks tend to be pricier and heavier compared to other insulation options, making them less practical for wall insulation. Therefore, while insulating fire bricks do have advantages in certain applications, they are generally not the optimal choice for wall insulation.
- Q:Are insulating fire bricks resistant to phosphoric acid?
- Phosphoric acid, being a strong acid, has the potential to react with and corrode various materials, including fire bricks. Although certain fire bricks may possess a degree of resistance to acidic conditions, insulating fire bricks are generally not equipped to endure prolonged exposure to phosphoric acid without experiencing notable deterioration. As a result, it is advisable to employ acid-resistant materials like acid-resistant bricks or linings when handling phosphoric acid or other potent acids.
- Q:How do insulating fire bricks affect the overall fire safety of a structure?
- Insulating fire bricks greatly enhance the fire safety of a structure. Due to their high thermal resistance, these bricks effectively prevent the spread of heat, reducing the risk of structural damage and minimizing the chance of fire spreading to adjacent areas. Additionally, their low thermal conductivity helps to retain heat within the furnace or fireplace, improving energy efficiency and reducing the likelihood of accidental fires.
- Q:Can insulating fire bricks be used for insulation in cryogenic applications?
- Yes, insulating fire bricks can be used for insulation in cryogenic applications. These bricks have excellent thermal properties that make them suitable for maintaining low temperatures and preventing the transfer of heat in cryogenic environments. They are designed to resist extreme cold and can effectively insulate against the loss of thermal energy, making them a reliable choice for cryogenic insulation.
- Q:Can insulating fire bricks be used in reheating furnaces?
- Reheating furnaces can indeed utilize insulating fire bricks. These bricks are specifically designed to possess exceptional thermal insulation properties, rendering them ideal for applications requiring high temperatures, such as reheating furnaces. Due to their low thermal conductivity, these bricks can effectively retain and reflect heat, leading to energy conservation and enhanced heating efficiency. Furthermore, their lightweight nature and resistance to thermal shock allow them to endure rapid temperature fluctuations commonly encountered in reheating furnaces. In summary, insulating fire bricks offer a suitable option for insulating and lining the walls of reheating furnaces, ensuring efficient heat preservation and consistent temperatures throughout the furnace.
- Q:What is the recommended thickness for insulating fire bricks in various applications?
- The recommended thickness for insulating fire bricks varies depending on the specific application. However, in general, a thickness between 2.5 to 3 inches is commonly recommended for most applications to ensure adequate insulation and heat resistance.
- Q:Can insulating fire bricks be used in residential construction?
- Insulating fire bricks, also known as refractory bricks, are primarily designed for use in high-temperature applications such as industrial furnaces and kilns. They are specifically engineered to withstand extreme heat, have low thermal conductivity, and provide excellent insulation properties. While insulating fire bricks can be used in residential construction, they are not typically the go-to choice for such applications due to several reasons. Firstly, insulating fire bricks are significantly more expensive compared to other types of construction materials available in the market. This cost factor often makes them less desirable for residential projects, where budget considerations are crucial. Secondly, the primary purpose of insulating fire bricks is to provide thermal insulation in high-temperature environments. In residential construction, the need for such extreme insulation is relatively rare. Standard construction materials like concrete blocks, bricks, or insulation boards can usually provide adequate insulation for residential buildings. Lastly, insulating fire bricks are not as structurally strong as other construction materials, which may make them less suitable for load-bearing applications in residential construction. These bricks are typically used as a secondary layer or lining in industrial furnaces, rather than as a primary building material. In conclusion, while insulating fire bricks can technically be used in residential construction, they are not commonly employed due to their high cost, limited applicability, and structural limitations. Residential construction typically relies on more cost-effective and versatile materials to meet insulation and structural requirements.
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Customized Shape Insulating Fire Brick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 17 m.t.
- Supply Capability:
- 30000 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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