High Alumina Fire Brick Light Weight Insulation Refractory Brick
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- 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 pls stay cool with our quality.
Brief discription for Alumina Fire Brick
CNBM Alumina Fire Brick are classified according to alumina content ranging from 48% to 90%.
CNBM Alumina Fire Brick are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc.
Brief features for Alumina Fire Brick
◆Low thermal conductivity
◆Excellent acid and base slagging resistance
◆High refractoriness
◆Excellent thermal shock resistance
◆Excellent mechanical strength
◆Good spalling resistance and wear resistance.
◆Good corrosion resistance.
◆High-temperature creep rate is quite low.
◆Good volume stability at high temperature.
◆Low bulk density, low thermal conductivity, good thermal insulation performance.
Technical data for high aluminia bricks
ITEM | UAL48 | UAL55 | UAL65 | UAL75 | UAL80 | UAL85 | ALP80 |
Refractoriness, ℃ | 1750 | 1770 | 1790 | 1790 | 1810 | 1810 | 1810 |
Apparent Porosity,% | 22 | 22 | 23 | 23 | 20 | 20 | 18 |
C.C.S, Mpa | 39 | 44 | 49 | 53 | 55 | 60 | 100 |
Refractories Under Load (0.2Mpa)，℃ | 1420 | 1470 | 1500 | 1520 | 1500 | 1520 | 1550 |
Reheating Linear Change,% | 1450℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1550℃x2h -0.5～+0.5 | 1550℃x2h -0.5～+0.5 | 1550℃x2h -0.5～+0.5 |
Al2O3 Content , % | 48 | 55 | 65 | 75 | 80 | 85 | 82 |
Why us
Professional fire brick manufacturer. We have being specialized in producing refractory fireclay brick for more than 40 years so that we can guarantee a stable quality.
Guaranteed quality. Our production process conforms strictly to the requirements of ISO9000 quality management system. Quality inspection is carried out in every links of our production. SGS third party inspection is available.
Sound after sales service. We provide sound after sales service. We provide 24 hours’ consultation service. We are ready to answer your consultations at any time.
- Q:Is it possible to cut insulating fire bricks to fit custom shapes?
- Yes, it is possible to cut insulating fire bricks to fit custom shapes. These bricks can be easily cut using a saw or other cutting tools to achieve the desired shape and size for specific applications.
- Q:What is the typical thermal diffusivity of an insulating fire brick?
- The thermal diffusivity of an insulating fire brick can vary depending on its composition and manufacturing process. However, typically, insulating fire bricks have thermal diffusivity values ranging from approximately 0.05 to 0.2 mm²/s. Thermal diffusivity measures the speed at which heat can pass through a material. A low thermal diffusivity suggests that the material is a good insulator, as it does not conduct heat quickly. Insulating fire bricks are designed to have low thermal diffusivity to minimize heat transfer and provide effective insulation in high-temperature applications, like furnaces, kilns, and fireplaces. It is important to note that the specific thermal diffusivity of an insulating fire brick can be influenced by various factors, including the type of raw materials used, the manufacturing process (such as firing temperature and duration), and any additives or coatings applied to enhance insulation properties. Therefore, consulting the manufacturer's specifications or conducting specific tests is crucial to determine the thermal diffusivity of a particular insulating fire brick.
- Q:Can insulating fire bricks be used in wood-fired kilns?
- Yes, insulating fire bricks can be used in wood-fired kilns. Insulating fire bricks are specifically designed to withstand high temperatures and provide insulation, making them suitable for use in wood-fired kilns where temperatures can reach extreme levels.
- Q:Do insulating fire bricks have any impact on indoor air quality?
- Insulating fire bricks, also known as refractory bricks, are primarily used in high-temperature applications such as fireplaces, kilns, and furnaces. These bricks are designed to withstand extreme heat and provide insulation, preventing the transfer of heat to surrounding areas. In terms of indoor air quality, insulating fire bricks do not have a direct impact. Since insulating fire bricks are made from materials such as clay, alumina, and silica, they are generally inert and do not release any harmful substances into the air when exposed to normal temperatures. However, it is important to note that during the manufacturing process, certain chemicals or additives may be used, which could potentially have an impact on air quality if not properly regulated or controlled. Additionally, the installation and maintenance of insulating fire bricks can indirectly affect indoor air quality. For example, if the bricks are not installed correctly or become damaged over time, they may develop cracks or gaps that could allow the escape of harmful gases or particulate matter. In such cases, it is crucial to promptly repair or replace damaged bricks to ensure the integrity of the insulation and prevent any negative impact on indoor air quality. Furthermore, the use of insulating fire bricks in fireplaces or wood-burning stoves can indirectly influence indoor air quality. When these devices are operated, they can release smoke, particulate matter, and potentially harmful gases into the air. It is essential to ensure proper ventilation and use high-quality flue systems to minimize the impact on indoor air quality when using such appliances. In summary, insulating fire bricks themselves do not have a direct impact on indoor air quality. However, it is important to consider factors such as the manufacturing process, installation, and maintenance to ensure that these bricks do not contribute to any degradation of the air we breathe.
- Q:Do insulating fire bricks have a high heat storage capacity?
- Insulating fire bricks possess a remarkable capacity for storing heat. These bricks are engineered to possess minimal thermal conductivity, enabling them to preserve heat for extended durations. Consequently, they are extremely well-suited for scenarios that demand heat retention, such as within furnaces, kilns, and other settings with elevated temperatures. The impressive heat storage capacity of insulating fire bricks facilitates effective heat preservation and dispersion, ultimately enhancing energy efficiency and lessening heat dissipation.
- Q:Can insulating fire bricks be used as a structural component in a building?
- No, insulating fire bricks should not be used as a structural component in a building. Insulating fire bricks are primarily designed to provide thermal insulation and are not intended to bear significant structural loads. They have a low density and low strength compared to traditional bricks or concrete blocks that are commonly used for structural purposes. Insulating fire bricks are better suited for applications where thermal insulation is required, such as lining furnaces, kilns, or chimneys. When it comes to structural components in buildings, it is essential to use materials specifically designed and tested to meet the required load-bearing capacities and safety standards.
- Q:Can insulating fire bricks be used in rocket stove designs?
- Yes, insulating fire bricks can be used in rocket stove designs. Rocket stoves are known for their efficient combustion and heat transfer, and insulating fire bricks can enhance this performance. These bricks are made from lightweight materials that have high insulating properties, allowing them to retain and reflect heat efficiently. In a rocket stove, the combustion chamber is typically lined with insulating fire bricks to maximize the heat transfer to the cooking surface or space being heated. The bricks help to retain heat within the combustion chamber, ensuring that more of the energy from the burning fuel is used to heat the cooking surface rather than being lost to the environment. Additionally, insulating fire bricks can withstand high temperatures, making them ideal for rocket stove designs. They are designed to handle the intense heat produced by the combustion process, ensuring the bricks won't crack or break under these conditions. Overall, using insulating fire bricks in rocket stove designs can improve the stove's efficiency and heat transfer, resulting in a more effective and sustainable cooking or heating solution.
- Q:Can insulating fire bricks be used in the construction of glass melting tanks?
- Yes, insulating fire bricks can be used in the construction of glass melting tanks. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for applications such as glass melting tanks where maintaining consistent and controlled heat is crucial.
- Q:Are insulating fire bricks suitable for use in carbon black furnaces?
- Insulating fire bricks, made from refractory materials with excellent insulation properties, are well-suited for carbon black furnaces. These furnaces, operating at temperatures exceeding 1,000 degrees Celsius, benefit from the use of insulating fire bricks by reducing heat loss and improving energy efficiency. The bricks' thermal shock resistance is crucial for the cyclic heating and cooling within the furnace. Furthermore, their low thermal conductivity helps maintain a stable temperature inside the furnace and prevents excessive heat loss. In conclusion, insulating fire bricks provide a dependable and efficient lining option for carbon black furnaces.
- Q:Are insulating fire bricks suitable for commercial or industrial applications?
- Yes, insulating fire bricks are suitable for commercial and industrial applications. They are commonly used in high-temperature environments such as furnaces, kilns, and ovens, where they provide excellent insulation and heat resistance. Their ability to withstand extreme temperatures and thermal shock makes them ideal for commercial and industrial settings where heat containment and energy efficiency are crucial.
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High Alumina Fire Brick Light Weight Insulation Refractory Brick
- 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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