Insulating Fire Brick - High Alumina Lightweight Refractory Brick
- 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 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: Masonry method for boiler refractory brick
- Furnace wall gas tightness requirements, gray seam fullness requirements: red brick is not less than 85%; refractory brick not less than 90%. When the red brick is built, the method of squeezing is adopted, and the construction of the refractory brick is constructed by scraping.
- Q: Can insulating fire bricks be used in the construction of smelters or foundries?
- Yes, insulating fire bricks can be used in the construction of smelters or foundries. Insulating fire bricks have excellent thermal insulation properties and can withstand high temperatures, making them suitable for lining the walls and floors of smelters or foundries. They help to retain heat, improve energy efficiency, and protect the surrounding structures from extreme temperatures.
- Q: Can insulating fire bricks be used in heat treatment furnaces?
- Yes, insulating fire bricks can be used in heat treatment furnaces. Insulating fire bricks are specially designed to have low thermal conductivity, which means they are able to withstand high temperatures while minimizing heat loss. This makes them ideal for use in heat treatment furnaces, where maintaining a consistent temperature is crucial for the successful heat treatment process. Additionally, insulating fire bricks have excellent insulating properties, which helps to reduce energy consumption and improve the overall efficiency of the heat treatment furnace. Therefore, using insulating fire bricks in heat treatment furnaces is a common practice in various industries.
- Q: What are the key properties of insulating fire bricks?
- Insulating fire bricks have several key properties that make them ideal for high temperature applications. Firstly, they have a low thermal conductivity, which means they can effectively insulate against heat transfer. This property helps in maintaining a stable temperature inside furnaces or kilns, preventing energy loss. Secondly, they have a high melting point, enabling them to withstand extreme temperatures without deformation or damage. Additionally, these bricks have excellent thermal shock resistance, meaning they can handle rapid changes in temperature without cracking or breaking. Lastly, they are lightweight and easy to handle, making them convenient for construction and installation purposes.
- Q: Can insulating fire bricks be used in drying ovens?
- Yes, insulating fire bricks can be used in drying ovens. Insulating fire bricks are designed to have low thermal conductivity, which makes them an excellent choice for applications that require heat insulation, such as drying ovens. These bricks can withstand high temperatures and provide insulation to help maintain the desired temperature inside the oven, while also reducing heat loss to the surroundings. Additionally, insulating fire bricks are lightweight and easy to install, making them a practical choice for use in drying ovens.
- Q: What are the advantages of using insulating fire bricks over traditional bricks?
- Using insulating fire bricks instead of traditional bricks offers several advantages. To begin with, insulating fire bricks possess superior thermal insulation properties compared to traditional bricks. This means they are more efficient at retaining heat and preventing heat loss. Consequently, they are highly suitable for industries where temperature control is crucial, such as in industrial furnaces, kilns, and ovens. By minimizing heat loss, insulating fire bricks aid in enhancing energy efficiency and reducing heating expenses. Furthermore, insulating fire bricks have a higher melting point than traditional bricks, rendering them more resistant to extreme temperatures. Consequently, they are ideal for use in environments with intense heat, like the metallurgical and glass industries. Insulating fire bricks can endure temperatures of up to 3000°F (1650°C), whereas traditional bricks typically have a lower melting point. Moreover, insulating fire bricks possess a lightweight structure and low thermal mass. As a result, they heat up quickly and cool down rapidly, making them suitable for applications that require frequent temperature changes or rapid heat-up times. Conversely, traditional bricks have a higher thermal mass and take longer to heat up or cool down. Additionally, insulating fire bricks exhibit greater resistance to thermal shock and can withstand sudden temperature changes without cracking or breaking. This durability makes them more long-lasting compared to traditional bricks, which are more susceptible to damage caused by thermal cycling. Furthermore, insulating fire bricks are often easier to install and handle due to their lightweight nature. They are also available in various sizes and shapes, offering more flexibility in construction and design. This versatility can help reduce labor and installation costs. In conclusion, the advantages of using insulating fire bricks over traditional bricks include superior thermal insulation properties, a higher melting point, lightweight structure and low thermal mass, resistance to thermal shock, durability, and ease of installation. These benefits make insulating fire bricks the preferred choice for various high-temperature applications, providing enhanced energy efficiency, cost savings, and overall improved performance.
- Q: Can insulating fire bricks be used in textile industry kilns?
- Yes, insulating fire bricks can be used in textile industry kilns. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in kilns where textiles are processed or treated. Insulating fire bricks help maintain consistent temperatures, enhance energy efficiency, and protect the kiln from heat damage.
- Q: How do insulating fire bricks affect the overall thermal efficiency of a building?
- The overall thermal efficiency of a building can be significantly improved by using insulating fire bricks. These bricks have a low thermal conductivity, meaning they effectively reduce heat transfer between different areas of the building. Using insulating fire bricks in the construction of walls, ceilings, and floors helps retain and distribute the thermal energy generated within the building. This results in less heat loss during colder months and less heat gain during warmer months, ultimately improving energy efficiency. Additionally, the insulation provided by these fire bricks creates a more comfortable indoor environment by minimizing temperature fluctuations and reducing the need for excessive heating or cooling. This leads to lower energy consumption and cost savings for the building's occupants. In addition to their thermal insulation properties, insulating fire bricks also offer other advantages. They are lightweight, making them easier to handle and install. They are also highly durable and resistant to thermal shock, making them ideal for applications involving high temperatures, such as fireplaces or kilns. Overall, incorporating insulating fire bricks into a building's construction greatly enhances its thermal efficiency, resulting in improved energy savings, reduced environmental impact, and increased comfort for the occupants.
- Q: Are insulating fire bricks resistant to carbon monoxide?
- Indeed, insulating fire bricks demonstrate a remarkable resistance to carbon monoxide. Tailored for enduring extreme temperatures, these bricks find common application in environments where they are likely to encounter both intense heat and corrosive agents, including carbon monoxide. The insulating nature of these bricks bestows upon them an exceptional ability to impede heat transfer, ensuring their structural integrity remains intact even in the presence of carbon monoxide and other combustible gases. This resistance to carbon monoxide renders insulating fire bricks a stellar choice for various settings like furnaces, kilns, and other high-temperature surroundings where the potential for carbon monoxide exposure looms.
- Q: Can insulating fire bricks be used in the construction of pottery kiln shelves?
- Indeed, pottery kiln shelves can be constructed using insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures while offering exceptional insulation, rendering them an optimal choice for kiln shelves. Their utilization aids in maintaining a uniform dispersion of heat and averting thermal shock, a critical aspect in the pottery firing process. Moreover, the lightweight and manageable nature of insulating fire bricks make them a pragmatic option for the construction of kiln shelves.
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Insulating Fire Brick - High Alumina Lightweight 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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