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:What are the improvements and improvements during the trial production of insulating bricks?
- Per square metre weighs only about 1.4 kilograms, reduce the burden of building.Simple production: completely break through the traditional process, greatly shorten the construction cycle.
- Q:Are insulating fire bricks resistant to sulfates?
- Insulating fire bricks are generally resistant to sulfates. These bricks are made of high-alumina or silica materials, which have good chemical resistance properties. Sulfates are a type of chemical compound that can react with certain materials and cause degradation. However, insulating fire bricks are designed to withstand high temperatures and harsh chemical environments, including exposure to sulfates. They are often used in applications such as furnaces, kilns, and incinerators where they may come into contact with sulfates. Nevertheless, it is important to consider the specific composition and quality of the insulating fire bricks, as well as the concentration and duration of sulfate exposure, to ensure their long-term performance and durability.
- Q:Are insulating fire bricks resistant to high-pressure environments?
- Insulating fire bricks are not specifically designed to withstand high-pressure environments. While they are known for their excellent thermal insulation properties and resistance to high temperatures, their ability to withstand pressure is limited. Insulating fire bricks are typically used in low-pressure applications where their insulating properties are more important than their ability to withstand pressure. If a high-pressure environment is a concern, it is recommended to use other types of refractory bricks specifically designed for such conditions, like dense fire bricks or high-alumina bricks, which offer superior strength and resistance to pressure.
- Q:Can insulating fire bricks be used in the construction of brick kilns?
- Insulating fire bricks are capable of being utilized in the construction of brick kilns. Designed specifically with high thermal resistance, these bricks are well-suited for scenarios requiring insulation. Within brick kilns, insulating fire bricks may be employed to line the walls, floor, and roof of the kiln, effectively maintaining heat and enhancing energy efficiency. These bricks possess the ability to withstand elevated temperatures, providing insulation against the heat generated throughout the firing process. Furthermore, they aid in reducing heat loss, resulting in quicker and more efficient firing cycles. In conclusion, incorporating insulating fire bricks into the construction of brick kilns can elevate their performance and contribute to a more effective and sustainable operation.
- Q:Are insulating fire bricks suitable for use in furnaces?
- Yes, insulating fire bricks are suitable for use in furnaces. They have excellent thermal insulation properties, high temperature resistance, and can withstand the harsh conditions inside a furnace without cracking or breaking. These bricks help to maintain consistent temperatures, reduce heat loss, and improve energy efficiency in furnaces.
- Q:How do insulating fire bricks compare to ceramic fiber insulation?
- Insulating fire bricks and ceramic fiber insulation are both commonly used in high-temperature applications, but they have different properties and advantages. Insulating fire bricks, also known as refractory bricks, are made from a combination of refractory clay and other materials. They are dense and heavy, providing excellent thermal conductivity and insulation. Insulating fire bricks are known for their durability and ability to withstand high temperatures, making them suitable for use in furnaces, kilns, and other industrial applications. On the other hand, ceramic fiber insulation is made from a lightweight material composed of alumina-silica fibers. This type of insulation is highly flexible and can be easily shaped or molded to fit various applications. Ceramic fiber insulation is known for its excellent thermal insulation properties and low thermal conductivity. It is also resistant to thermal shock and can withstand rapid temperature changes. In terms of insulation performance, both insulating fire bricks and ceramic fiber insulation have their advantages. Insulating fire bricks have higher thermal conductivity, which means they can transfer heat more efficiently. This property makes them ideal for applications that require rapid and uniform heat distribution. Ceramic fiber insulation, on the other hand, has lower thermal conductivity, making it more effective at preventing heat transfer. In terms of installation and maintenance, ceramic fiber insulation is easier to handle due to its lightweight and flexible nature. It can be easily cut and shaped to fit complex surfaces, reducing the need for specialized tools or equipment. Insulating fire bricks, on the other hand, are heavier and more rigid, requiring more effort and precision during installation. Overall, the choice between insulating fire bricks and ceramic fiber insulation depends on the specific requirements of the application. Insulating fire bricks are more suitable for applications that require high thermal conductivity and durability, while ceramic fiber insulation is ideal for applications that require excellent thermal insulation and flexibility.
- Q:Can insulating fire bricks be used in contact with molten metal?
- Indeed, it is possible to utilize insulating fire bricks in direct contact with molten metal. Specifically engineered to endure extreme temperatures, these bricks are widely employed in industrial settings where they encounter molten metal. With their exceptional resistance to thermal shock, they are capable of withstanding the intense heat generated by molten metal. Furthermore, insulating fire bricks possess low thermal conductivity, thereby reducing heat loss and enhancing energy efficiency. However, it is crucial to ascertain that the specific variant of insulating fire brick employed is suitable for the specific type of molten metal and temperature range it will be exposed to. Different metals possess varying melting points, which may necessitate the use of more specialized refractory materials.
- Q:Can insulating fire bricks be used as a backup insulation material?
- Yes, insulating fire bricks can be used as a backup insulation material. Insulating fire bricks are designed to have low thermal conductivity, which means they are effective at reducing heat transfer. This makes them suitable for use as a backup insulation material in applications where maintaining temperature stability is crucial. They are commonly used in industrial furnaces, kilns, and other high-temperature environments where the primary insulation material may fail or need additional support. Insulating fire bricks can provide an extra layer of insulation, helping to prevent heat loss and improve energy efficiency. Additionally, they are durable and able to withstand high temperatures, making them a reliable choice for backup insulation.
- Q:Can insulating fire bricks be used in oil refineries?
- Yes, insulating fire bricks can be used in oil refineries. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for various industrial applications, including oil refineries. They help to reduce heat loss, improve energy efficiency, and protect the surrounding equipment and structures from extreme heat.
- Q:Are insulating fire bricks resistant to reducing atmospheres?
- Yes, insulating fire bricks are resistant to reducing atmospheres.
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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
OKorder Financial Service
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