High Alumina Insulating Fire Bricks for High Temperature Working
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t
- Supply Capability:
- 500 m.t/month
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Refractory Brick
CMAX firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay by mixing, press-forming, drying, sintering and machining. Bricks contain carefully-graded organic fillers which are burned out during sintering to give a uniform controllable pore structure. This technique makes product feature low thermal conductivity and excellent heat insulation
Advantages of high alumina brick
1 Excellent thermal stability
2 High refractoriness under load
3 Chemical stability and anti-corrision
4 Small high temperature creep rate
5 Excellent thermal shock resistance
Characteristices of high alumina brick
1.High intensity for pressure
2. Good thermal shock stability
3. Strong abrasion and corrosion resistance
4. High cold crushing strength
5. Excellent abrasion resistance at cold and hot conditions
Application
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Data Sheet
Classification Temperature (℉/℃) | 3000/1650 |
Bulk Density (g/cm3 ) | ≤1.0 |
Thermal Conductivity | |
800℃, W/m.K | ≤0.39 |
1000℃, W/m.K | ≤0.43 |
1200℃, W/m.K | ≤0.48 |
Reheating Linear Change (%) | 1550℃×12h |
≤0.9 | |
Chemical Composition (%) | |
Al2O3 | ≥75 |
Fe2O3 | ≤0.5 |
Packaging & Shipping
Packaging Details:Be packed in fumigated wooden pallets
Delivery Detail: 30 days after order
Our Services
Optimum solution and product supply of refractories for high temperature industries, such as iron steel, non-ferrous, petrochemical and building materials.
Engineering design, contract and consult for refractories, and civil architecture design.
Research, development, manufacture and sale of superhard materials.
R&D, manufacture and sale of special packing materials for export.
Inspection, supervision and arbitration of refractories.
Consultation and services in refractories information.
Training and cultivation of high-level talents in refractories profession
Sales Network
Company Information
CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in integrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.
FAQ
1. Which products do you have?
We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.
2. Can you give me a brief introduction of the application of your products?
We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.
3. If I need your offer, what information do you need?
In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc. If any question, please contact us freely.
- Q: The project cost in hydropower No.3 shaft wall is solid brick or insulating brick?
- From the structure principle, hydropower shaft with solid brick, is to consider the safety performance of the structure.
- Q: Do insulating fire bricks require special storage conditions?
- Special storage conditions are not necessarily required for insulating fire bricks, but it is recommended to keep them in a well-ventilated, dry, and cool area. These bricks are made from lightweight materials that are designed to endure high temperatures and provide heat insulation. However, excessive moisture or exposure to extreme temperatures can potentially impact their performance and durability. It is advisable to shield the bricks from direct sunlight or rain, as extended exposure to these elements might cause harm. Additionally, arranging the bricks in an orderly manner and keeping them away from sharp objects or heavy loads can prevent any potential damage or deformation. In summary, while special storage conditions may not be compulsory, taking appropriate precautions can aid in preserving the quality and lifespan of the insulating fire bricks.
- Q: Do insulating fire bricks have low thermal conductivity?
- Yes, insulating fire bricks have low thermal conductivity. These bricks are specifically designed to minimize heat loss and provide excellent insulation properties. The low thermal conductivity of insulating fire bricks is due to their composition, which typically includes lightweight materials such as clay, silica, and alumina. These materials have low thermal conductivity, meaning they are not efficient at transferring heat. As a result, insulating fire bricks are highly effective at reducing heat transfer and maintaining high temperatures within a structure. This makes them ideal for applications that require insulation against high temperatures, such as in kilns, furnaces, and fireplaces.
- Q: How do insulating fire bricks affect the overall insulation properties of a structure?
- Insulating fire bricks play a vital role in enhancing the insulation properties of a structure. These bricks are specifically designed to have low thermal conductivity, enabling them to effectively resist heat transfer. Consequently, they act as a barrier, preventing heat from escaping during cold weather and blocking external heat intrusion during hot weather. The utilization of insulating fire bricks significantly improves the overall thermal insulation of a structure. These bricks possess high porosity and low density, allowing them to trap air within their structure. This trapped air acts as an exceptional insulator, creating a thermal barrier that minimizes heat transfer through conduction, convection, and radiation. Consequently, the heat loss or gain through the walls, floors, and roofs of a building is notably reduced. Furthermore, insulating fire bricks exhibit excellent refractory properties, enabling them to withstand high temperatures without deforming or deteriorating. This characteristic is crucial in applications where the structure is exposed to extreme heat, such as industrial furnaces or kilns. By maintaining their structural integrity under high temperatures, these bricks ensure that the insulation properties of the structure remain intact even in challenging environments. Overall, the use of insulating fire bricks has a positive impact on the insulation properties of a structure. They effectively reduce heat transfer, conserve energy, and maintain a comfortable indoor environment. Additionally, their durability and resistance to high temperatures make them a dependable choice for insulation in various industrial and residential applications.
- Q: Can insulating fire bricks be used in the construction of flue gas ducts?
- Insulating fire bricks have the capability to be utilized in the construction of flue gas ducts. These bricks are specifically engineered to endure high temperatures and offer exceptional thermal insulation. This makes them an apt choice for lining flue gas ducts as they aid in reducing heat loss and enhancing energy efficiency. Moreover, insulating fire bricks exhibit resistance to chemical corrosion and can withstand the harmful impacts of flue gases. Nevertheless, it is crucial to guarantee that the insulating fire bricks employed are specifically designed for flue gas duct applications and fulfill the required safety and regulatory standards. Seeking advice from a professional engineer or a specialist in this field is advised to ensure the accurate selection and installation of insulating fire bricks in flue gas ducts.
- Q: Can insulating fire bricks withstand thermal shock?
- Insulating fire bricks are designed to have high thermal insulation properties and are typically used in applications where thermal shock is not a major concern. While insulating fire bricks can withstand moderate temperature changes, they are not specifically engineered to resist thermal shock. Thermal shock occurs when there is a rapid change in temperature, causing stress and potential damage to the material. Insulating fire bricks are more susceptible to thermal shock compared to dense fire bricks, which are specifically designed to withstand extreme temperature changes. If thermal shock is a concern in your application, it is recommended to consider other types of refractory materials that are specifically designed to withstand rapid temperature changes.
- Q: How do insulating fire bricks affect overall heating and cooling costs?
- The utilization of insulating fire bricks can have a significant impact on the overall costs associated with heating and cooling. These bricks are specially designed to possess a low thermal conductivity, which makes them highly effective at preventing the transfer of heat. Incorporating insulating fire bricks into the construction of a building greatly reduces the amount of heat lost during colder months, resulting in a decreased need for energy to maintain a comfortable indoor temperature and consequently lowering heating costs. Likewise, during warmer months, insulating fire bricks aid in keeping heat out and maintaining a cooler indoor environment. This diminishes reliance on air conditioning systems, leading to reduced cooling costs. The high thermal resistance of these bricks plays a crucial role in minimizing heat gain from the external environment, offering a more energy-efficient solution. Furthermore, the use of insulating fire bricks can also contribute to the long-term durability and efficiency of heating and cooling systems. By lessening the workload on these systems, they can operate more efficiently, resulting in less wear and tear and potentially extending their lifespan. This can lead to additional cost savings by eliminating the need for frequent repairs or replacements. Overall, insulating fire bricks offer substantial benefits in terms of reducing heating and cooling costs. By enhancing thermal insulation, they facilitate the creation of a more energy-efficient building, ultimately resulting in lower utility bills and a reduced carbon footprint.
- Q: Can insulating fire bricks be used in the construction of steel rolling mills?
- Insulating fire bricks have the capability to be utilized in the construction of steel rolling mills. With their exceptional thermal insulation properties, these bricks are designed specifically for applications that necessitate high temperatures and heat containment. They prove to be suitable for lining the walls of furnaces, ovens, and other heat-processing equipment within steel rolling mills due to the involvement of elevated temperatures. The utilization of these bricks aids in diminishing heat loss, enhancing energy efficiency, and maintaining a steady temperature environment, which is of utmost importance during the steel rolling process. Furthermore, the lightweight nature and ease of installation of insulating fire bricks make them a practical and advantageous choice for construction purposes in steel rolling mills.
- Q: Are insulating fire bricks resistant to freeze-thaw cycles?
- Generally, insulating fire bricks are resistant to freeze-thaw cycles. They are designed with low thermal conductivity and high resistance to thermal shock, making them durable and able to withstand 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, like in furnaces, kilns, and other high-temperature environments. Moreover, the insulating properties of these bricks minimize heat loss and prevent moisture penetration, further improving their resistance to freeze-thaw cycles. However, it is important to note that the composition and manufacturing process of the insulating fire bricks may vary, so it is recommended to consult the manufacturer's specifications and guidelines to ensure their suitability for the intended application.
- Q: Can insulating fire bricks be used in a refractory lining?
- Indeed, refractory linings can incorporate insulating fire bricks. These bricks are purposefully crafted to offer thermal insulation and minimize heat dissipation in scenarios involving high temperatures. Possessing low thermal conductivity and exceptional insulating properties, they are perfectly suited for use in refractory linings. By curbing heat transfer to the surrounding environment, these bricks contribute to the enhanced energy efficiency of furnaces, kilns, and other industrial applications. Moreover, insulating fire bricks are lightweight, effortlessly installable, and exhibit commendable strength and durability, rendering them a favored selection for refractory linings.
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High Alumina Insulating Fire Bricks for High Temperature Working
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t
- Supply Capability:
- 500 m.t/month
OKorder Service Pledge
OKorder Financial Service
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