refractory brick used for steel/cement/glass
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 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:Are insulating fire bricks resistant to freeze-thaw cycles?
- Yes, insulating fire bricks are generally resistant to freeze-thaw cycles. These bricks are designed to have low thermal conductivity and high resistance to thermal shock, which makes them highly durable and capable of withstanding extreme temperature variations, including freeze-thaw cycles. This resistance to freeze-thaw cycles is crucial in applications where the bricks are exposed to fluctuating temperatures, such as in furnaces, kilns, and other high-temperature environments. The insulating properties of these bricks also help to minimize heat loss and prevent moisture penetration, further enhancing their resistance to freeze-thaw cycles. However, it is important to note that the specific composition and manufacturing process of the insulating fire bricks can vary, so it is always recommended to consult the manufacturer's specifications and guidelines to ensure the bricks are suitable for the intended application.
- Q:Can insulating fire bricks be used in paper mills?
- Insulating fire bricks are indeed applicable for use in paper mills. They are widely employed in various industries that necessitate effective insulation against elevated temperatures, including steel, glass, and ceramics. Within paper mills, where activities like drying, heating, and burning take place, insulating fire bricks offer an ideal solution for lining kilns, furnaces, and other equipment. Their exceptional thermal insulation properties and ability to withstand extreme temperatures render them highly suitable for deployment in paper mills, where heat plays an indispensable role in the manufacturing process. Furthermore, these bricks possess the advantages of being lightweight and exhibiting low thermal conductivity, enabling efficient heat retention and yielding energy savings.
- Q:Can insulating fire bricks be used in the construction of radiant tubes?
- Insulating fire bricks are indeed applicable for the construction of radiant tubes. These bricks are specifically crafted to provide exceptional thermal insulation, which makes them extremely suitable for scenarios where heat preservation is crucial. Radiant tubes, on the other hand, are utilized in environments that endure high temperatures, such as furnaces and kilns, where they are exposed to intense heat. By being able to withstand such elevated temperatures, insulating fire bricks aid in minimizing heat loss, thereby leading to enhanced energy efficiency. Moreover, these bricks' insulating properties also serve to safeguard the radiant tubes against thermal shock and extend their lifespan. In summary, incorporating insulating fire bricks into the construction of radiant tubes elevates their overall performance and durability.
- Q:Can insulating fire bricks be used in cement plants?
- Yes, insulating fire bricks can be used in cement plants. Insulating fire bricks are designed to withstand high temperatures and are commonly used in industries that require thermal insulation. In cement plants, they can be used in various applications such as lining kilns, furnaces, and other high-temperature equipment. These bricks help in reducing heat loss, improving energy efficiency, and ensuring consistent and controlled temperatures in the cement production process. Additionally, insulating fire bricks are lightweight and have low thermal conductivity, making them an ideal choice for insulating applications in cement plants.
- Q:Are insulating fire bricks resistant to electrical conductivity?
- Insulating fire bricks exhibit resistance to electrical conductivity. Their composition comprises materials with low electrical conductivity, like ceramic fibers or insulating refractory materials. The primary objective of these fire bricks is to offer thermal insulation, rendering them suitable for situations that demand the containment of high temperatures. Due to their minimal electrical conductivity, insulating fire bricks serve as linings in electrical furnaces, kilns, and other high-temperature apparatuses that necessitate electrical insulation.
- Q:Can insulating fire bricks be used in electric furnaces?
- Yes, insulating fire bricks can be used in electric furnaces. These bricks are specifically designed to withstand high temperatures and provide excellent insulation, making them suitable for use in electric furnaces where heat retention is crucial.
- Q:How do insulating fire bricks help reduce fuel consumption?
- Insulating fire bricks help reduce fuel consumption by providing excellent thermal insulation, which minimizes heat loss and increases the efficiency of the heating system. This means that less fuel is required to maintain the desired temperature, resulting in reduced fuel consumption and cost savings.
- Q:What are the main components of insulating fire bricks?
- Insulating fire bricks usually consist of a blend of alumina, silica, and assorted lightweight additives. Alumina (Al2O3) is crucial in insulating fire bricks due to its ability to withstand high temperatures and resist thermal shock. Silica (SiO2) contributes to improving the refractory qualities and insulation abilities of the bricks. Furthermore, vermiculite or perlite, which are lightweight additives, are commonly incorporated to enhance the insulating properties of the bricks. The collaboration of these components produces a material that possesses exceptional thermal insulation, minimal thermal conductivity, and remarkable heat resistance.
- Q:Are insulating fire bricks resistant to moisture penetration?
- Yes, insulating fire bricks are resistant to moisture penetration. These bricks are designed to have low porosity, which means they have a very low water absorption rate. This characteristic makes them highly resistant to moisture penetration. Insulating fire bricks are commonly used in applications where they are exposed to high temperatures and harsh conditions, such as kilns, furnaces, and fireplaces. Their resistance to moisture penetration ensures their durability and effectiveness in these environments.
- 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.
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refractory brick used for steel/cement/glass
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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