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: Do insulating fire bricks have a high thermal stability?
- Yes, insulating fire bricks have a high thermal stability. They are designed to withstand high temperatures without significant deterioration or structural damage, making them an excellent choice for applications requiring insulation and heat resistance.
- Q: What is the weight of an average insulating fire brick?
- The size and composition of an average insulating fire brick can cause its weight to differ. On average, these bricks weigh around 2.5 to 5 pounds (1.13 to 2.27 kilograms). They are specifically engineered to be lightweight, enabling effortless handling and installation in different thermal insulation applications.
- Q: Can insulating fire bricks be used for insulation in ovens?
- Indeed, ovens can make use of insulating fire bricks for insulation purposes. These bricks are specifically crafted to endure extreme temperatures and offer exceptional insulating capabilities. With their low thermal conductivity, they effectively retain heat, preventing its escape from the oven. This aids in maintaining a steady temperature within the oven, promoting efficient and uniform cooking. Moreover, these bricks are resilient against thermal shock, enabling them to withstand rapid temperature fluctuations without sustaining damage. Consequently, utilizing insulating fire bricks for oven insulation proves to be a sensible and efficient decision.
- Q: Can insulating fire bricks be used in ceramic kilns?
- Yes, insulating fire bricks can be used in ceramic kilns. Insulating fire bricks are designed to have low thermal conductivity, which means they are able to retain heat more effectively. This makes them an ideal choice for lining the walls of a kiln, as they help to conserve and distribute heat more evenly throughout the kiln chamber. Additionally, insulating fire bricks are lightweight and have a high resistance to thermal shock, which makes them durable and able to withstand the high temperatures typically reached in ceramic kilns.
- Q: Are insulating fire bricks resistant to fire damage?
- Yes, insulating fire bricks are specifically designed to be resistant to fire damage. They are made from special refractory materials that can withstand extremely high temperatures without deforming or losing their insulating properties. Insulating fire bricks have a high melting point and low thermal conductivity, which allows them to effectively insulate against heat transfer and protect against fire damage. They are commonly used in applications where high temperatures and fire exposure are expected, such as in furnaces, kilns, fireplaces, and industrial processes. Overall, insulating fire bricks are reliable and durable materials that provide excellent protection against fire damage.
- Q: Are insulating fire bricks suitable for use in aluminum smelting furnaces?
- Insulating fire bricks are not typically suitable for use in aluminum smelting furnaces. Aluminum smelting requires high temperatures, often exceeding 1,000 degrees Celsius, and insulating fire bricks are designed to have low thermal conductivity, meaning they are better at retaining heat rather than withstanding extreme temperatures. For aluminum smelting, refractory fire bricks or refractory castables are more appropriate. These materials have high melting points and are capable of withstanding the intense heat produced during the smelting process without losing their structural integrity. They also have good thermal shock resistance, which is important as the furnace may experience rapid temperature changes during operation. Additionally, refractory materials used in aluminum smelting furnaces should have good resistance to corrosion and chemical attack from the molten aluminum and other materials used in the process. Insulating fire bricks may not have the necessary chemical resistance, which could lead to premature degradation and failure of the furnace lining. In summary, while insulating fire bricks may be suitable for other applications that require good thermal insulation, they are generally not recommended for use in aluminum smelting furnaces. Refractory fire bricks or refractory castables are better suited for this high-temperature and chemically aggressive environment.
- 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: Are insulating fire bricks resistant to thermal radiation?
- Yes, insulating fire bricks are resistant to thermal radiation. These bricks are specifically designed to have excellent thermal insulation properties, which means they can effectively resist and minimize the transfer of heat by radiation. Insulating fire bricks are typically made from materials such as alumina, silica, or fire clay, which have high melting points and low thermal conductivity. This combination of properties allows them to withstand high temperatures and prevent the flow of thermal energy through radiation, making them a suitable choice for applications where thermal insulation is required, such as kilns, furnaces, and fireplaces.
- Q: Are insulating fire bricks resistant to gas permeability?
- Yes, insulating fire bricks are resistant to gas permeability. They have low porosity and high density, which prevents the penetration of gases, making them an effective barrier against gas permeation.
- Q: How does the density of an insulating fire brick affect its performance?
- The density of an insulating fire brick plays a crucial role in determining its performance. Generally, a higher density brick will offer better thermal insulation and mechanical strength compared to a brick with lower density. The thermal insulation property of an insulating fire brick is directly affected by its density. A brick with higher density will have smaller pores and a more compact structure, resulting in better insulation against heat transfer. This means that the brick will be able to effectively resist the transfer of heat from one side to the other, making it more efficient in maintaining a consistent temperature within the structure it is used in. On the other hand, a brick with lower density will have larger pores and a less compact structure, allowing for more heat transfer and reducing its insulating capabilities. In addition to thermal insulation, the density of an insulating fire brick also impacts its mechanical strength. A higher density brick will generally have greater structural integrity and resistance to mechanical stress. This means that it will be more reliable and durable, capable of withstanding higher temperatures and physical pressures without cracking or breaking. On the contrary, a brick with lower density may be more fragile and prone to damage, limiting its ability to perform in harsh conditions. Therefore, it is important to consider the density of an insulating fire brick when selecting one for a specific application. A balance needs to be struck between achieving optimal thermal insulation and mechanical strength. Factors such as the desired level of insulation, the operating temperature, and the structural requirements of the application should be taken into account to determine the appropriate density of the insulating fire brick for maximum performance.
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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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