Insulating Fire Brick - Standard Size Refractory Materials for Foundry & Industry
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
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CNBM conforms strictly to the requirements of ISO 9000 quality control system during the production. MSDS is also available if you want. The thermal insulation fire clay brick meet with the requirements of ASTM & JIS standards. So please stay cool with our quality.
Application
Insulating Fire Brick are used for the lining of converter, alternating current arc furnace, direct Current arc furnace and the ladle slag line, etc.
Insulating Fire Brick Technical index
Brand Quality | JM23 | JM26 | JM28 | JM30 | JM32 | |
Bulk Density (g/cm3) | 0.52 | 0.78 | 0.88 | 1.03 | 1.25 | |
1.2 | 1.6 | 2.1 | 2.5 | 3.5 | ||
Modulus of Rupture (Mpa) | 0.9 | 1.4 | 1.6 | 2.1 | 2.1 | |
-0.5 | 1400℃ -0.4 | 1510℃ -0.5 | 1620℃ -0.9 | 1730℃ -0.9 | ||
Thermal Expansion 1100℃（%） |
0.5 |
0.7 |
0.8 |
0.9 |
1.1 | |
Thermal conductivity（W/m.k）
| 400℃ | 0.14 | 0.27 | 0.32 | 0.41 | 0.49 |
600℃ | 0.16 | 0.29 | 0.34 | 0.43 | 0.50 | |
800℃ | 0.18 | 0.31 | 0.36 | 0.44 | 0.51 | |
1000℃ | 0.20 | 0.33 | 0.38 | 0.45 | 0.53 | |
Al2O3 | 37 | 58 | 67 | 73 | 77 | |
Fe2O3 | 0.7 | 0.7 | 0.6 | 0.5 | 0.4 | |
Equipment
1 unit of Ceramic Abrasive (SG Abrasive) pilot production line
2 units of Compact grain Abrasive pilot production lines
1 unit of high-end coated abrasives (abrasive cloth) production line
2 units of Boron Carbide production lines
3 large flexible crushing and sieving lines for grit production lines
2 units of 2000KVA furnaces for Boron Carbide fusion
6 units of 5000KVA-10000KVA dumping type electric arc furnaces for Brown Fused Alumina fusion
Company Advantage
(1)Long Insulating Fire Brick manufacture history: 25 years manufacturer
(2)Advanced equipment
(3)Diversification of production standards: ISO ANSI FEPA JIS ASTM
(4)Flexible payment: T/T L/C D/P D/A
(5)Professional marketing team and after-sale service
(6)Free sample
FAQs
Q1 |
What’s the transport method? |
A1 | FCL delivery goods with wooden pallet or wooden case by sea; If LCL delivery, must with wooden case; Sometimes need open top, flat rack or bulk cargo. |
Q2 |
What’s the required payment term? |
A2 | Generally 30% TT as the prepayment, 70% TT before delivery. If need, 100% Irrevocable Letter of Credit or negotiation. |
Q3 |
Which country are our products exported to? |
A3 | Apart from entire Chinese market, the US, Russia, Japan, Korea, Australia and some Southeast Asian Nations. |
- Q: Can insulating fire bricks be used in chimney construction?
- Yes, insulating fire bricks can be used in chimney construction. Insulating fire bricks are designed to have low thermal conductivity, which means they are effective in reducing heat transfer. This makes them suitable for chimney construction as they can help to keep the chimney walls cooler and prevent excessive heat from transferring to the surrounding structures. Additionally, insulating fire bricks are lightweight and have good insulation properties, making them easier to handle and install in chimney construction. However, it is important to note that insulating fire bricks should be used in conjunction with other fire-resistant materials in order to meet safety regulations and ensure proper chimney construction.
- Q: Can insulating fire bricks be used in high-temperature filters?
- Yes, insulating fire bricks can be used in high-temperature filters. These bricks are designed to withstand extreme temperatures and provide excellent insulation. They can effectively trap and filter out impurities in high-temperature environments, making them suitable for use in high-temperature filters.
- Q: Can insulating fire bricks be used in the construction of glass melting furnaces?
- Yes, insulating fire bricks can be used in the construction of glass melting furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in the extreme heat of glass melting processes. Their low thermal conductivity helps to retain heat within the furnace, improving energy efficiency and maintaining a stable melting environment.
- Q: Are insulating fire bricks resistant to abrasion or erosion?
- Insulating fire bricks are generally not resistant to abrasion or erosion. While they are excellent at insulating heat, they are typically made from materials that are not designed to withstand high levels of wear and tear. Insulating fire bricks are often used in applications where they are not exposed to significant mechanical forces or abrasive materials. If abrasion or erosion is a concern, a different type of refractory material or lining may be more suitable for the specific application.
- Q: Can insulating fire bricks be used in kilns or furnaces?
- Yes, insulating fire bricks can be used in kilns or furnaces. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for lining kilns and furnaces to enhance energy efficiency and maintain high temperatures.
- Q: Can insulating fire bricks be used for insulation in flues?
- Insulating fire bricks are created with the specific purpose of being used in high-temperature settings, such as furnaces, kilns, and various industrial environments. Their main function is to effectively insulate heat and prevent heat loss. However, it is important to note that they are not suitable for use in flues. Flues are exposed to extreme temperatures, corrosive gases, and the possibility of accumulation of soot and creosote. The conditions in flues are not compatible with insulating fire bricks, as they are not designed to withstand such harsh elements. Consequently, when exposed to the acidic and corrosive gases generated by combustion, these bricks may deteriorate or develop cracks over time. To ensure proper insulation in flues, it is advisable to opt for materials that are specifically manufactured for this purpose, such as refractory cement or ceramic fiber insulation. These materials are better equipped to withstand the challenging conditions encountered in flues and are more capable of providing effective insulation while maintaining the safety and durability of the flue system.
- Q: How do insulating fire bricks help reduce heat loss through conduction?
- Insulating fire bricks are designed to minimize heat loss through conduction by utilizing their unique properties. These bricks are made from a special type of lightweight refractory material, such as ceramic fibers or a combination of high-alumina and silica, which have low thermal conductivity. The low thermal conductivity of insulating fire bricks helps to reduce heat transfer by conduction. When heat is applied to one side of the brick, the low thermal conductivity of the material prevents the rapid transfer of heat to the other side. This means that less heat is lost through the brick via conduction, resulting in improved insulation and energy efficiency. Furthermore, insulating fire bricks often have a high porosity, which creates air pockets within the material. These air pockets act as barriers to heat transfer, as air is a poor conductor of heat. By trapping air within the brick's structure, the insulating fire brick effectively slows down the movement of heat, further reducing heat loss through conduction. Additionally, insulating fire bricks have a high melting point, allowing them to withstand extreme temperatures without deforming or breaking down. This property ensures that the bricks can effectively insulate against heat transfer even in high-temperature environments, such as furnaces or kilns. In summary, insulating fire bricks help reduce heat loss through conduction by virtue of their low thermal conductivity, high porosity, and high melting point. These bricks effectively limit the transfer of heat from one side to the other, minimizing energy loss and improving insulation efficiency.
- Q: Are insulating fire bricks fireproof?
- Yes, insulating fire bricks are fireproof. They are specifically designed to withstand high temperatures and provide excellent insulation against heat.
- Q: Can insulating fire bricks be used in refractory linings for blast furnaces?
- Yes, insulating fire bricks can be used in refractory linings for blast furnaces. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively reduce heat loss from the furnace. This property is particularly important in blast furnaces, where maintaining high temperatures is essential for efficient operation. Insulating fire bricks are made from lightweight refractory materials such as alumina or silica, which have high insulating properties. These bricks not only provide thermal insulation but also have good resistance to thermal shock, making them suitable for the extreme conditions found in blast furnaces. In addition to insulation, insulating fire bricks also offer other advantages for blast furnace linings. They are lightweight and easy to install, which reduces the labor and time required for construction. Furthermore, their low thermal conductivity can help to minimize the formation of hot spots and uneven temperature distribution within the furnace, which can lead to premature wear and failure of the refractory lining. However, it's important to note that insulating fire bricks alone may not be sufficient for all parts of the blast furnace lining. Certain areas, such as the hearth and tuyere zones, may require high-density refractory bricks that can withstand the intense heat and mechanical stress. In these cases, a combination of insulating fire bricks and other refractory materials may be used to achieve the desired performance and longevity. Overall, insulating fire bricks can be a valuable component in refractory linings for blast furnaces, helping to improve energy efficiency, reduce heat loss, and prolong the lifespan of the lining.
- Q: Are insulating fire bricks resistant to electrical conductivity?
- Insulating fire bricks exhibit resistance to electrical conductivity. Their composition comprises materials with low electrical conductivity, like ceramic fibers or insulating refractory materials. The primary objective of these fire bricks is to offer thermal insulation, rendering them suitable for situations that demand the containment of high temperatures. Due to their minimal electrical conductivity, insulating fire bricks serve as linings in electrical furnaces, kilns, and other high-temperature apparatuses that necessitate electrical insulation.
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Insulating Fire Brick - Standard Size Refractory Materials for Foundry & Industry
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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