Low Conductivity Mullite Refractory Birck
- 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:Are insulating fire bricks suitable for use in thermal shock applications?
- Yes, insulating fire bricks are suitable for use in thermal shock applications. Insulating fire bricks are designed to withstand rapid changes in temperature without cracking or breaking, making them ideal for thermal shock environments where there are frequent and extreme temperature fluctuations.
- Q:Can insulating fire bricks be used in ceramic kilns?
- Yes, insulating fire bricks can be used in ceramic kilns. These bricks are designed to have high insulating properties, making them ideal for maintaining heat within the kiln. They are lightweight and can withstand high temperatures, making them a suitable choice for ceramic kilns.
- Q:Can insulating fire bricks be used in high-temperature insulation for aerospace applications?
- Insulating fire bricks are capable of being utilized for high-temperature insulation in aerospace applications. Constructed from lightweight refractory materials possessing exceptional insulating properties, these bricks can endure extreme temperatures. The bricks possess a low thermal conductivity, effectively decreasing heat transfer and maintaining the desired temperature within aerospace components. Within the realm of aerospace applications, environments of elevated temperatures are commonly encountered, such as within rocket engines, exhaust systems, and thermal protection systems. Insulating fire bricks can be employed in these applications to furnish thermal insulation, shielding delicate components from excessive heat and averting heat loss to the surroundings. Furthermore, insulating fire bricks are renowned for their exceptional resistance to thermal shock, thereby enabling them to endure sudden temperature changes without cracking or deteriorating. This attribute is of utmost importance in aerospace applications, where components undergo substantial temperature variations during launch, re-entry, or other operational phases. Moreover, insulating fire bricks possess lightweight characteristics, which can prove advantageous in aerospace applications where weight reduction is crucial for fuel efficiency and overall performance. By implementing insulating fire bricks, aerospace engineers can achieve efficient thermal insulation while minimizing the added weight to the system. All in all, insulating fire bricks constitute a viable solution for high-temperature insulation in aerospace applications. Their exceptional insulating properties, resistance to thermal shock, and lightweight nature render them suitable for safeguarding critical aerospace components within environments of extreme temperatures.
- Q:Are insulating fire bricks resistant to weathering or aging?
- Yes, insulating fire bricks are highly resistant to weathering and aging. These bricks are specifically designed to withstand extreme temperatures and harsh environmental conditions. They are made from high-quality refractory materials, such as alumina, silica, and other additives, which provide excellent thermal insulation properties and high resistance to corrosion and erosion. The manufacturing process of insulating fire bricks involves carefully selected raw materials and precise control of firing temperatures, resulting in a dense and uniform structure. This structure prevents the penetration of moisture and other weathering agents, ensuring prolonged durability and resistance to aging. Furthermore, insulating fire bricks are also resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or crumbling. This characteristic further enhances their ability to endure adverse weather conditions. Overall, insulating fire bricks have proven to be highly reliable in various applications where exposure to weathering elements is a concern. They are widely used in industries such as steel, ceramic, glass, and cement manufacturing, as well as in high-temperature applications like kilns, furnaces, and chimneys.
- Q:What is the difference between insulating fire bricks and regular fire bricks?
- Insulating fire bricks are designed to have lower thermal conductivity, allowing them to retain heat more effectively and prevent heat loss. Regular fire bricks, on the other hand, have higher thermal conductivity as they are primarily used for structural purposes and to withstand high temperatures.
- Q:Are insulating fire bricks suitable for use in the construction of lime kilns?
- Insulating fire bricks are indeed suitable for constructing lime kilns. These bricks are designed specifically to possess low thermal conductivity, enabling them to retain heat and avoid heat loss. This feature is crucial in lime kilns as they necessitate high temperatures for effectively converting limestone into lime. The utilization of insulating fire bricks facilitates the better maintenance of the kiln's generated heat, leading to enhanced energy efficiency and reduced fuel consumption. Moreover, these bricks are lightweight and convenient to handle, making them the perfect choice for lime kiln construction. All in all, insulating fire bricks are a dependable and efficient option for building lime kilns.
- Q:Can insulating fire bricks be used in carbon black reactors?
- Indeed, carbon black reactors can utilize insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures and offer exceptional thermal insulation. By incorporating insulating fire bricks into carbon black reactors, which typically function at significantly high temperatures, heat loss can be minimized and energy efficiency can be enhanced. Moreover, the insulating capabilities of these bricks aid in maintaining a stable temperature within the reactor, a critical factor in the production of carbon black. Consequently, opting for insulating fire bricks in carbon black reactors proves advantageous in terms of thermal insulation as well as energy preservation.
- Q:Can insulating fire bricks be used in high-temperature kilns and furnaces?
- Yes, insulating fire bricks are commonly used in high-temperature kilns and furnaces. These bricks have excellent thermal insulation properties, which allow them to withstand and retain high temperatures. They are designed to minimize heat loss and improve energy efficiency in such environments.
- Q:Do insulating fire bricks have low thermal conductivity?
- Yes, insulating fire bricks have low thermal conductivity.
- 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.
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Low Conductivity Mullite Refractory Birck
- 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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