Insulating Fire Brick:Low Conductivity Mullite 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: Can insulating fire bricks be used for insulation in smelters?
- Yes, insulating fire bricks can be used for insulation in smelters. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties, making them suitable for use in smelting operations where heat containment is crucial to optimize energy efficiency and protect the surrounding environment.
- Q: Can insulating fire bricks be used in the construction of tundishes?
- Yes, insulating fire bricks can be used in the construction of tundishes. Insulating fire bricks are lightweight and have excellent thermal insulation properties, making them ideal for applications where heat retention is important. Tundishes, which are used in the steel industry to control the flow of molten metal, require materials that can withstand high temperatures and minimize heat loss. Insulating fire bricks can withstand the extreme temperatures found in tundishes, helping to maintain the desired temperature of the molten metal and preventing heat loss. Additionally, their lightweight nature makes them easier to handle and install in tundish construction. Overall, insulating fire bricks are a suitable choice for the construction of tundishes due to their thermal insulation properties and ability to withstand high temperatures.
- Q: Can insulating fire bricks be used in the construction of foundry molds?
- Yes, insulating fire bricks can be used in the construction of foundry molds. Insulating fire bricks are made from lightweight materials such as clay, alumina, and silica, and are designed to have low thermal conductivity. This makes them ideal for applications that require high temperature resistance and insulation, such as foundry molds. Foundry molds are used to shape and hold molten metal during casting processes. Since molten metal is typically poured at extremely high temperatures, it is important to use materials that can withstand the heat without melting or deforming. Insulating fire bricks have a high melting point and excellent thermal stability, which makes them suitable for use in foundry molds. In addition to their high temperature resistance, insulating fire bricks also provide good insulation properties. This is important in foundry molds as it helps to control the cooling rate of the molten metal, preventing thermal shock and ensuring proper solidification. The insulation properties of insulating fire bricks can also help to reduce energy consumption and improve the overall efficiency of the foundry process. Overall, insulating fire bricks are a durable and efficient choice for constructing foundry molds. They offer high temperature resistance, excellent thermal stability, and good insulation properties, making them a reliable option for use in the demanding conditions of foundry operations.
- Q: Are insulating fire bricks suitable for use in glass furnaces?
- Yes, insulating fire bricks are indeed suitable for use in glass furnaces. These fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. They help to maintain consistent heat levels within the furnace, prevent heat loss, and reduce energy consumption. Additionally, insulating fire bricks are resistant to chemical reactions and can withstand the corrosive environment of a glass furnace.
- Q: Are insulating fire bricks easy to cut and shape?
- Indeed, cutting and shaping insulating fire bricks proves to be relatively simple. These bricks consist of lightweight refractory materials like ceramic fibers, enabling them to be more manageable when compared to traditional fire bricks. Common tools such as saws, knives, or chisels can be employed to cut and shape these insulating fire bricks. Due to their lightweight composition, they can be easily maneuvered and positioned, facilitating more accurate cuts and shapes. Moreover, if necessary, openings or specific designs can be effortlessly drilled or carved into these bricks. Overall, the convenience of cutting and shaping insulating fire bricks makes them an ideal choice for various applications in construction, insulation, and fireproofing.
- Q: Can insulating fire bricks be used in contact with molten metal?
- Yes, insulating fire bricks can be used in contact with molten metal. Insulating fire bricks are specially designed to withstand high temperatures and are commonly used in industrial applications where they come into contact with molten metal. These bricks have a high resistance to thermal shock and are able to withstand the intense heat generated by molten metal. Additionally, insulating fire bricks have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency. However, it is important to ensure that the specific type of insulating fire brick being used is suitable for the particular type of molten metal and the temperature range it will be exposed to, as different metals have different melting points and may require more specialized refractory materials.
- Q: Are insulating fire bricks resistant to saltwater?
- Insulating fire bricks are typically not resistant to saltwater. Saltwater contains high levels of salt, which can cause corrosion and degradation of the material over time. It is recommended to use refractory materials that are specifically designed to withstand saltwater environments if you are looking for a solution that is resistant to corrosion.
- Q: Do insulating fire bricks require special handling?
- Yes, insulating fire bricks do require special handling. These bricks are made from lightweight refractory materials and are designed to withstand high temperatures. Due to their fragile nature, they should be handled with care to prevent breakage or damage. It is recommended to use proper lifting and carrying techniques, such as wearing gloves and using tongs or lifters, to avoid accidents or injuries. Additionally, insulating fire bricks should be stored in a dry and protected area to prevent moisture absorption, which can affect their thermal properties.
- Q: Are insulating fire bricks suitable for use in ceramic fiber modules?
- No, insulating fire bricks are not suitable for use in ceramic fiber modules. Ceramic fiber modules are designed to provide superior insulation and thermal shock resistance, while insulating fire bricks are made from different materials and have different thermal properties. It is important to use the appropriate materials for each specific application to ensure optimal performance and safety.
- Q: Can insulating fire bricks be used for kiln furniture?
- Yes, insulating fire bricks can be used for kiln furniture. Insulating fire bricks are designed to withstand high temperatures and are commonly used in industrial kilns and furnaces. They have excellent thermal insulation properties, which makes them ideal for creating kiln furniture such as shelves, posts, and supports. The insulating properties of these bricks help to distribute heat evenly throughout the kiln, ensuring that the items being fired are heated consistently. Additionally, insulating fire bricks are lightweight and easy to handle, making them a convenient choice for kiln furniture.
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Insulating Fire Brick:Low Conductivity Mullite 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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