Insulating Fire Brick High Alumina Brick for Pizza Oven
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- Min Order Qty:
- 2 m.t
- Supply Capability:
- 1000 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
Features
Fireclay refractory brick is a main species of Aluminum silicate product, which adopt clay clinker as raw material, fireclay as bonding agent, the Al2O3 content from 30%~48%.
The refractoriness of Fireclay refractory brick from 1580 to 1770℃, which vary with the ratio of Al2O3 and SiO2
The fireclay refractory brick is faintly acid, whose acidity increasing with the content of SiO2 increasing, which has a certain resist erosion ability against acid slag.
Application
Normally used for Acidic slag furnace Lining, which is common refractory material of Blast furnace, Blast stove, Power boiler, Heating furnace, Rotary kiln, Ceramic and refractory material burning kiln.
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:How are insulating fire bricks installed?
- Insulating fire bricks are typically installed by stacking them in a pattern, using a special refractory mortar or adhesive to secure them together. The bricks are carefully aligned and leveled to create a solid and heat-resistant barrier. It is important to follow the manufacturer's instructions and ensure proper curing time for the mortar before exposing the bricks to high temperatures.
- Q:What is the typical density of an insulating fire brick?
- The typical density of an insulating fire brick can vary depending on the specific composition and manufacturing process. However, in general, insulating fire bricks have a lower density compared to regular fire bricks. The typical density of an insulating fire brick can range from 0.8 g/cm³ to 1.2 g/cm³. This lower density is achieved by incorporating insulating materials like lightweight aggregates or organic fibers into the brick's composition, which helps to reduce heat transfer and increase thermal insulation properties.
- Q:Can insulating fire bricks be used for high-temperature applications?
- Yes, insulating fire bricks can be used for high-temperature applications. These bricks are designed to withstand extremely high temperatures and provide excellent insulation, making them suitable for use in industries such as metallurgy, glassmaking, and kiln construction. They can effectively retain heat, minimize heat loss, and provide thermal protection in high-temperature environments.
- Q:What are the raw materials used in the production of insulating fire bricks?
- Insulating fire bricks are produced using a blend of alumina, silica, and assorted additives. Alumina is obtained from bauxite ore, which is then processed to extract the alumina content. Silica, on the other hand, is typically sourced from quartz or silica sand. These two substances serve as the primary constituents of insulating fire bricks, granting them exceptional heat resistance and thermal insulation properties. Supplementary to alumina and silica, additional additives may be incorporated into the manufacturing process to enhance specific characteristics of the bricks. For instance, clay can be included to improve the workability and plasticity of the mixture during shaping and molding. Various binders, such as organic or inorganic materials, can also be integrated to fortify the strength and structural integrity of the bricks. Depending on the desired qualities and specific requirements of the insulating fire bricks, other materials may be added as well. These can include zirconium, magnesium, calcium, or other refractory materials. These additives aid in further bolstering the heat resistance, mechanical strength, and insulation properties of the bricks. In summary, the amalgamation of alumina, silica, and other additives gives rise to a composition capable of withstanding high temperatures, offering excellent insulation, and exhibiting commendable structural integrity. Consequently, insulating fire bricks are highly regarded materials in various industries such as metallurgy, ceramics, and kiln construction.
- Q:Can insulating fire bricks be used in the construction of hearth furnaces?
- Yes, insulating fire bricks can be used in the construction of hearth furnaces. Insulating fire bricks are specially designed to have low thermal conductivity, which makes them ideal for applications where heat insulation is required. In the construction of hearth furnaces, where high temperatures are involved, insulating fire bricks can help to retain the heat within the furnace and improve energy efficiency. They can also provide thermal protection to the surrounding structures by minimizing heat transfer. Additionally, insulating fire bricks are lightweight and easy to handle, which makes them convenient for construction purposes. Overall, using insulating fire bricks in the construction of hearth furnaces can enhance their performance and contribute to a more efficient and effective heating process.
- Q:Can insulating fire bricks be used in ladles?
- Yes, insulating fire bricks can be used in ladles.
- Q:Are insulating fire bricks suitable for insulation in gas turbines?
- Insulating fire bricks, although great for high-temperature insulation in furnaces and kilns, are typically unsuitable for insulating gas turbines. Gas turbines operate at even higher temperatures and thus require specialized insulation materials. These materials, such as thermal barrier coatings, ceramic fiber blankets, or other advanced insulation materials, are specifically designed to withstand the extreme heat and pressure conditions within the turbine. They not only provide excellent thermal insulation but also possess properties like erosion resistance, low thermal conductivity, and high mechanical strength. Therefore, while insulating fire bricks have their merits in specific applications, they are not the ideal choice for gas turbine insulation.
- Q:Are insulating fire bricks resistant to moisture absorption?
- Indeed, insulating fire bricks exhibit resistance to moisture absorption. These bricks have been meticulously engineered to possess a low porosity, thereby thwarting any moisture absorption. The manufacturing procedure entails the utilization of top-notch refractory materials that possess the capability to endure extreme temperatures, while simultaneously resisting the detrimental impact of moisture. Consequently, insulating fire bricks emerge as an exemplary option for scenarios necessitating moisture resistance, such as kilns, furnaces, and other environments characterized by elevated temperatures.
- Q:Can insulating fire bricks be used for insulation in cement kilns?
- Insulation in cement kilns can be achieved by using insulating fire bricks. These bricks are made from lightweight materials like ceramic fibers or expanded clay, which possess high insulation properties. Their low thermal conductivity allows them to effectively reduce heat transfer and retain heat within the kiln. Cement kilns operate at extremely high temperatures, often surpassing 1,400 degrees Celsius (2,500 degrees Fahrenheit). Incorporating insulating fire bricks in the kiln helps prevent heat loss, enhances energy efficiency, and reduces fuel consumption. By creating a barrier between the hot gases inside the kiln and the surrounding environment, these bricks minimize heat escape. Additionally, insulating fire bricks exhibit remarkable resistance to thermal shocks, enabling them to withstand the severe temperature fluctuations that occur in cement kilns. This durability ensures long-lasting insulation, minimizing the need for frequent maintenance and replacement. Nevertheless, it is crucial to note that the specific type and composition of insulating fire bricks required for cement kiln insulation may vary depending on factors such as the kiln's design and operating conditions. Consulting with experts or manufacturers specializing in refractory materials is advisable to ensure the correct selection and installation of insulating fire bricks for cement kiln insulation.
- Q:Can insulating fire bricks be used in the construction of smelting ovens?
- Yes, insulating fire bricks can be used in the construction of smelting ovens. Insulating fire bricks are designed to have low thermal conductivity, which means they are excellent at retaining heat. This property makes them ideal for applications where high temperatures need to be maintained, such as smelting ovens. Smelting ovens are used to melt and refine various metals and minerals. These processes involve extremely high temperatures, and it is crucial to minimize heat loss to ensure efficient and effective smelting. Insulating fire bricks can help achieve this goal by providing excellent insulation and reducing heat loss. Insulating fire bricks are made from lightweight materials, such as ceramic fibers or expanded clay, which have high insulating properties. They are capable of withstanding temperatures up to 3000°F (1650°C), making them suitable for the extreme heat generated in smelting ovens. Additionally, insulating fire bricks are resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is essential in smelting processes, which often involve heating and cooling cycles. Furthermore, insulating fire bricks are easy to work with and can be cut or shaped to fit specific dimensions or designs. This flexibility makes them highly adaptable for constructing smelting ovens of various shapes and sizes. In summary, insulating fire bricks are an excellent choice for the construction of smelting ovens due to their low thermal conductivity, high temperature resistance, thermal shock resistance, and ease of customization. They can help maintain high temperatures, reduce heat loss, and ensure efficient smelting processes.
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Insulating Fire Brick High Alumina Brick for Pizza Oven
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t
- Supply Capability:
- 1000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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