High-Temperature Insulating Fire Brick for Fire Resistance
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000000 m.t./month
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nsulating Firebrick is made of high grade bauxite through high temperature calcinations. High alumina brick is a kind of neutral refractory material so that it enjoys excellent resistance
to acid and alkali corrosion. It has characteristic of high refractoriness under load, which decide high alumina brick is a n ideal material for various kinds of industrial furnace. It is widely
used in building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.
characteristics: 1 Excellent thermal stability
2 High refractoriness under load
3 Chemical stability and anti-corrision
4 Small high temperature creep rate
5 Excellent thermal shock resistance
Typical Application: 1 Building materials for blast furnace
2 Building materials for hot-blast stove
3 Building materials for coke oven
4 Building materials for steel making furnace
5 Kiln car building
6 For ladle
Product Type: fireclay brick (SK 32, SK 34)
high alumina brick (sk 35-38)
Package: pallet, thermal shrinkage package
Technical Data
Item | Fireclay Brick | High Alumina Brick | |||||
SK32 | SK34 | SK35 | SK36 | SK37 | SK38 | ||
Al2O3 (%) ≥ | 38 | 42 | 48 | 55 | 65 | 75 | |
Refractoriness (oC) ≥ | 1670 | 1730 | 1750 | 1770 | 1790 | 1810 | |
Refractoriness under Load (oC) ≥ | 1250 | 1300 | 1420 | 1470 | 1500 | 1520 | |
Linear Change (%) (2h) | 1350 oC | 1350 oC | 1450 oC | 1500 oC | 1500 oC | 1500 oC | |
-0.5 | -0.5 | -0.4-+0.1 | -0.4-+0.1 | -0.4-+0.1 | -0.4-+0.1 | ||
Porosity (%) ≤ | 26 | 26 | 22 | 22 | 23 | 23 | |
Cold Crushing Strength, MPa ≥ | 15 | 20 | 39.2 | 44.1 | 49 | 53.9 | |
FAQ
Q1: How do you control the products quality?
A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.
From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis
Q2: What`s the lead time for my order?
A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.
Q3: Can you offer Door-to-Door delivery?
A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
Q4: What is the minimum quantity?
A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
Q5: Can you give me a brief introduction of the application of your products?
A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.
- Q:Can insulating fire bricks be used in the construction of reheat furnaces?
- Yes, insulating fire bricks can be used in the construction of reheat furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for use in furnaces. Insulating fire bricks have a low thermal conductivity, which helps to reduce heat loss and improve energy efficiency in the furnace. Additionally, they have high resistance to thermal shock, allowing them to withstand rapid temperature changes that occur during the reheat process. Overall, insulating fire bricks are a suitable choice for the construction of reheat furnaces, as they contribute to better heat retention and energy savings.
- Q:Are insulating fire bricks resistant to chemicals?
- Yes, insulating fire bricks are generally resistant to chemicals. They are designed to withstand high temperatures and have low thermal conductivity, making them an ideal choice for applications involving chemicals. These bricks are typically made from ceramic materials, such as alumina, which has excellent chemical resistance properties. However, it is important to note that the degree of chemical resistance can vary depending on the specific type of insulating fire brick and the chemicals involved. Some chemicals, especially highly corrosive or reactive ones, may still cause damage or degradation to the bricks over time. Therefore, it is advisable to consult the manufacturer or supplier for detailed information on the chemical resistance capabilities of specific insulating fire bricks.
- Q:Can insulating fire bricks be used in the construction of furnaces?
- Insulating fire bricks are indeed suitable for the construction of furnaces. These bricks possess exceptional insulation qualities, enabling them to endure high temperatures without significant heat loss. Their composition primarily consists of lightweight materials like clay, silica, and alumina. Consequently, they exhibit low thermal conductivity, allowing the furnace to retain heat efficiently while preventing excessive heating of its outer surface. As a result, these bricks are ideal for lining the walls, roof, and floor of furnaces, contributing to enhanced energy efficiency and reduced fuel consumption. Moreover, their resistance to thermal shock ensures their durability and longevity in the demanding conditions of a furnace. In conclusion, considering their exceptional insulation properties and capacity to withstand high temperatures, insulating fire bricks remain a preferred option for furnace construction.
- Q:What is the price of refractory bricks?
- The refractory insulating brick generally refers to light brick, normal furnace lining are using this brick kiln will not increase the weight, and good heat insulation effect and ordinary insulating brick production are made of clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating firebrick, diatomite insulating refractory brick, the use of light heat insulation brick can increase the use of the area, at the same time, good insulation effect, in the hot summer, the temperature of the furnace using solid clay brick and low 2-3 ~ C, reduce the power consumption. The construction is superior, the light insulating brick has good machinability, and the construction is convenient and simple, and the labor intensity can be reduced, the construction efficiency can be improved, and the construction period can be shortened. The price is determined by the choice of material and volume density, from several hundred to 5000 yuan, mainly with the choice of material
- Q:Can insulating fire bricks be used in refractory lining for steelmaking?
- Yes, insulating fire bricks can be used in refractory lining for steelmaking. They are effective in providing insulation and thermal stability, helping to maintain high temperatures and protect the surrounding structures. Additionally, insulating fire bricks have low thermal conductivity and are lightweight, making them suitable for steelmaking processes that require heat retention and energy efficiency.
- Q:Are insulating fire bricks resistant to nitrogen oxides?
- Insulating fire bricks are known for their excellent thermal insulation properties and are commonly used in high-temperature applications such as furnaces, kilns, and industrial boilers. While they are highly resistant to heat and can withstand extreme temperatures, their resistance to nitrogen oxides (NOx) may vary depending on the specific composition and manufacturing process of the bricks. Nitrogen oxides are a group of harmful gases that are produced during combustion processes, particularly at high temperatures. These gases can have detrimental effects on human health and the environment. Although insulating fire bricks have a high melting point and can withstand intense heat, they may not provide sufficient resistance to nitrogen oxides on their own. To enhance the resistance of insulating fire bricks to nitrogen oxides, additional measures and coatings may be required. These could include the use of specialized refractory coatings or the incorporation of specific additives during the manufacturing process to create a more chemically resistant brick. It is important to note that the resistance of insulating fire bricks to nitrogen oxides may also depend on the specific application and operating conditions. Different types of nitrogen oxides, such as nitrogen dioxide (NO2) or nitric oxide (NO), may have different effects on the bricks. Therefore, it is recommended to consult the manufacturer or a specialist in refractory materials to determine the suitability of insulating fire bricks in a specific environment where the presence of nitrogen oxides is a concern.
- Q:What are the dimensions and sizes available for insulating fire bricks?
- Insulating fire bricks come in a range of dimensions and sizes to accommodate different applications and needs. The typical dimensions for these bricks are 9" x 4.5" x 2.5" and 9" x 4.5" x 3", which are appropriate for standard industrial and residential uses. However, there are also other sizes available to cater to specific requirements. For example, thinner insulating fire bricks measuring 9" x 4.5" x 1.25" or thicker ones measuring 9" x 4.5" x 4.5" can be utilized in specialized applications. These variations offer flexibility and customization options to meet specific insulation demands. It should be noted that insulating fire bricks can be cut or shaped to fit specific dimensions as necessary. This adaptability in customization allows for precise fitting and installation in various projects. Ultimately, the dimensions and sizes of insulating fire bricks will depend on the unique needs and requirements of the project. Seeking guidance from a supplier or manufacturer can aid in determining the most appropriate dimensions and sizes for your insulation needs.
- Q:Can insulating fire bricks be recycled?
- Yes, insulating fire bricks can be recycled. These bricks are typically made from a combination of materials such as clay, alumina, and silica, which can be broken down and reused. Recycling insulating fire bricks involves crushing them into smaller pieces and then using them as aggregate in various construction applications. This process helps to reduce waste and conserve resources, making it an environmentally friendly option for disposing of these bricks. Additionally, some companies offer recycling programs specifically for insulating fire bricks, allowing individuals and businesses to easily recycle them instead of sending them to landfills.
- Q:Can insulating fire bricks be used in the construction of boilers?
- Indeed, the application of insulating fire bricks is possible in the construction of boilers. Comprised of lightweight materials with exceptional thermal insulation properties, these bricks prove to be apt for deployment in high-temperature scenarios, including boilers. Their utilization aids in diminishing heat dissipation and augmenting energy efficacy by impeding heat leakage from the boiler. Moreover, they exhibit remarkable resilience against thermal shock and can endure extreme temperatures, thereby establishing themselves as a dependable alternative for constructing boilers.
- Q:Coke burns in a closed house. Will anyone suffocate in it?
- Coke incomplete combustion can produce colorless gas carbon monoxide toxic odor. Carbon monoxide is a harmful gas. It will enter the body in the blood and hemoglobin, hemoglobin can combine with oxygen, cause the body tissue hypoxia, which causes the body to suffocation.
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High-Temperature Insulating Fire Brick for Fire Resistance
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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