High-Alumina Insulating Fire Brick for Furnace Use
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- 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
1 Excellent thermal stability2 High refractoriness under load
3 Chemical stability and anti-corrision
4 Small high temperature creep rate
5 Excellent thermal shock resistance
Application
1. Carbon bake furnaces in the aluminum industry
2. Preheat zones and cyclones of rotary cement kilns
3. Insulation for glass tanks
4. Fireplace and pizza ovens
5. Coke ovens
6. Blast furnaces
7. Reheating furnaces
8. Suspended roofs
9. Lime kilns
10. Chimney
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:Are insulating fire bricks suitable for use in incinerators?
- Indeed, insulating fire bricks are well-suited for utilization in incinerators. Tailored specifically to endure elevated temperatures and offer exceptional insulation qualities, these bricks prove to be ideal for incinerators. They exhibit remarkable resistance to thermal shock, ensuring their structural integrity remains intact even under extreme heat exposure. Moreover, these bricks possess low thermal conductivity, which aids in diminishing heat loss and enhancing the overall energy efficiency of the incinerator. The combination of their heat endurance and insulation effectiveness renders them a dependable option for incinerator utilization.
- Q:Are insulating fire bricks resistant to sound transmission?
- Insulating fire bricks, also known as refractory bricks, are primarily designed to withstand high temperatures and provide thermal insulation. While they are effective in reducing heat transfer, they are not specifically designed to resist sound transmission. Insulating fire bricks are made from materials such as clay, alumina, and silica, which are chosen for their ability to withstand high temperatures. These materials are dense and have a low porosity, which helps to prevent heat from passing through the bricks. However, sound waves can easily pass through solid materials, including insulating fire bricks, unless additional measures are taken to reduce sound transmission. To effectively reduce sound transmission, other soundproofing methods should be used in conjunction with insulating fire bricks. These can include adding additional layers of acoustic insulation or using sound barriers such as mass-loaded vinyl or acoustic panels. In summary, while insulating fire bricks are excellent for thermal insulation, they are not inherently resistant to sound transmission. Additional soundproofing measures should be taken to effectively reduce noise transmission in a given space.
- Q:Can insulating fire bricks be used in refractory fibers?
- Insulating fire bricks are not suitable for use in refractory fibers. These bricks are solid and made from refractory materials, serving to insulate and retain heat in high-temperature scenarios. Conversely, refractory fibers are lightweight and flexible materials composed of ceramic or mineral fibers. They are employed for insulation and lining in a range of industrial applications, such as furnaces, kilns, and boilers. Due to their distinct properties and structures, these two materials are incompatible. Consequently, it is advisable to refrain from using insulating fire bricks in conjunction with refractory fibers.
- Q:Are insulating fire bricks resistant to acids and alkalis?
- Yes, insulating fire bricks are generally resistant to acids and alkalis due to their high temperature stability and non-reactive nature.
- Q:Can insulating fire bricks be used in high-temperature ducts?
- High-temperature ducts can indeed utilize insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures, making them an optimal option for situations where heat retention and insulation are pivotal. Through their low thermal conductivity and strong resistance to thermal shock, insulating fire bricks are able to effectively trap heat within the ducts, averting any energy loss and ensuring efficient heat transfer. Moreover, their lightweight composition facilitates easy installation and handling, while their durability enables them to withstand the demanding conditions of high-temperature environments. Ultimately, insulating fire bricks prove themselves as a dependable and efficacious solution for the insulation of high-temperature ducts.
- Q:Can insulating fire bricks be used in high-temperature kilns and furnaces?
- Yes, insulating fire bricks can be used in high-temperature kilns and furnaces. Insulating fire bricks are specially designed to withstand extreme heat and provide excellent insulation properties. They are made from lightweight refractory materials, such as clay and silica, which have high melting points and low thermal conductivity. These bricks can effectively retain heat, reducing energy loss and improving the efficiency of the kiln or furnace. Additionally, insulating fire bricks have good resistance to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. This makes them suitable for use in high-temperature applications where the kiln or furnace may go through frequent heating and cooling cycles. Overall, insulating fire bricks are an ideal choice for insulating and protecting high-temperature kilns and furnaces.
- Q:Are there any safety precautions to consider when using insulating fire bricks?
- Yes, there are safety precautions to consider when using insulating fire bricks. Firstly, it is important to wear appropriate personal protective equipment, such as gloves and safety goggles, to protect against potential injuries. Additionally, due to the high temperatures involved, it is crucial to handle the bricks with care to avoid burns or related accidents. Adequate ventilation should be ensured to prevent the buildup of harmful gases and fumes. Lastly, it is essential to follow the manufacturer's instructions and guidelines for proper installation and usage to minimize any potential risks.
- Q:Can insulating fire bricks be used in the construction of autoclaves?
- Yes, insulating fire bricks can be used in the construction of autoclaves. Autoclaves require materials that can withstand high temperatures and pressures, and insulating fire bricks are designed to have excellent thermal resistance and insulation properties. These bricks are made from refractory materials like alumina, silica, and other additives that allow them to withstand extreme temperatures and thermal shocks. They are also lightweight and have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency in autoclaves. Additionally, insulating fire bricks have good load-bearing capacity, making them suitable for the structural components of autoclaves. Overall, the use of insulating fire bricks in the construction of autoclaves helps to ensure the safety and efficiency of the equipment.
- Q:Can insulating fire bricks be cut or shaped to fit specific applications?
- Yes, insulating fire bricks can be cut or shaped to fit specific applications. They are often made of soft and porous materials, such as ceramic fiber or lightweight refractory materials, which can be easily cut using common tools like saws or knives. This flexibility allows for customization and fitting into various shapes and sizes to meet specific requirements in different applications.
- Q:Do insulating fire bricks require special storage conditions?
- Insulating fire bricks do not necessarily require special storage conditions, but it is recommended to store them in a dry, cool, and well-ventilated area. These bricks are made of lightweight materials that are designed to resist high temperatures and insulate heat. However, excessive moisture or exposure to extreme temperatures may affect their performance and durability. It is advisable to protect the bricks from direct sunlight or rain, as prolonged exposure to these elements might cause damage. Additionally, storing the bricks in an organized manner, away from sharp objects or heavy loads, can prevent any potential breakage or deformation. Overall, while special storage conditions may not be mandatory, taking proper precautions can help preserve the quality and longevity of the insulating fire bricks.
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High-Alumina Insulating Fire Brick for Furnace Use
- 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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