Insulating Fire Brick GJM26 Light Weight and Low Thermal Conductivity
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 20000 m.t./month
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General Information of Insulating Firebricks
CMAX insulating firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
Feature of Insulating Firebricks
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Application of Insulating Firebricks
CMAX insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.
Images of Insulating Firebricks
Technical Data of Insulating Firebricks
INSULATING FIRE BRICK---GJM26
Classification Temperature (℉/℃) 2600/1430
Bulk Density (g/cm3) ≤0.8
Thermal Conductivity
800℃, W/m.K ≤0.35
1000℃, W/m.K ≤0.39
1200℃, W/m.K ≤0.43
Reheating Linear Change (%) 1410℃×12h
≤0.7
Chemical Composition (%)
Al2O3 ≥55
Fe2O3 ≤0.7
Company Introduction
Who CNBM is
CNBM is a Fortune 500 and a governmental owned National Building Material company in Beijing, China.
What CNBM Can Do
We can supply ALL KINDS OF REFRACTORIES BRICK/CASTABLE and CERAMIC FIBER PRODUCTS in high quality and competitive price.
What Certification CNBM Have
FAQ
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.
How do you control the products quality?
With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.
From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervisor.
I’m not satisfied with the refractory materials I used before, can you propose more suitable pro
Yes. Please give us the problems you faced, your requirements and the technical data of the products you used before. That we will give you our suggestion and propose the solution based on your special requirements.
What’s the lead time for my order?
It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.
Can you offer Door-to-Door delivery?
Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
What is the minimum quantity?
There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
- Q: What materials are used to make insulating fire bricks?
- Various materials possessing high thermal insulation properties are used to manufacture insulating fire bricks. The primary material utilized in producing these bricks is kaolin clay, a type of clay renowned for its insulation characteristics. To enhance its insulating properties and increase its resistance to high temperatures, this clay is mixed with other additives such as alumina, silica, and zirconium. Furthermore, materials like sawdust, vermiculite, perlite, and calcium silicate are occasionally added to the mixture to further enhance the bricks' insulation capabilities. Collectively, these materials enable insulating fire bricks to exhibit low thermal conductivity, exceptional heat resistance, and excellent insulation qualities, rendering them suitable for a broad range of industrial and domestic applications.
- Q: What is the price of concrete self insulation bricks?
- Insulation brick prices also have a great relationship with the material and workmanship, such as clay brick price is much lower than high alumina brick, mullite and corundum brick prices will be higher.
- Q: Do insulating fire bricks require regular maintenance?
- Insulating fire bricks do not require regular maintenance as they are designed to withstand high temperatures and resist wear and tear. They are made from materials that are highly durable and have excellent insulation properties. However, it is important to periodically inspect them for any cracks, chips, or signs of damage. If any damage is found, it should be repaired promptly to ensure the bricks continue to function optimally. Additionally, regular cleaning of the bricks can help remove any build-up of debris or residue, which can affect their insulating properties. Overall, while insulating fire bricks do not require frequent maintenance, regular inspections and occasional cleaning are recommended to ensure their longevity and performance.
- Q: Do insulating fire bricks expand and contract with temperature changes?
- Insulating fire bricks do indeed undergo expansion and contraction in response to temperature variations. Similar to all other materials, exposure to heat causes these bricks to expand, whereas cooling leads to their contraction. This expansion and contraction phenomenon arises from the material's thermal expansion coefficient, which dictates the degree of expansion or contraction in relation to temperature changes. It is crucial to acknowledge this characteristic when utilizing insulating fire bricks in situations that involve anticipated temperature fluctuations. Neglecting to account for the expansion and contraction may result in structural harm or the formation of cracks.
- Q: Can insulating fire bricks be used in rocket stoves?
- Yes, insulating fire bricks can be used in rocket stoves. In fact, they are often preferred for their high insulation properties. Insulating fire bricks are made from lightweight refractory materials, such as silica, which have low thermal conductivity. This means that they are able to withstand high temperatures while minimizing heat loss, making them an ideal choice for rocket stoves. Rocket stoves are designed to efficiently burn biomass fuel, such as wood or charcoal, by creating a combustion chamber with a vertical chimney. The insulating fire bricks can be used to construct the combustion chamber and line the chimney, ensuring that the heat generated by the fire is effectively contained and directed towards the cooking surface. By using insulating fire bricks, rocket stoves can achieve higher temperatures and maintain them for longer periods of time. This results in more efficient and effective cooking, as well as reduced fuel consumption. Additionally, the insulating properties of these bricks also help to protect the surrounding environment from excessive heat, reducing the risk of accidental burns or fires. Overall, insulating fire bricks are a suitable choice for rocket stoves due to their ability to withstand high temperatures, minimize heat loss, and improve the efficiency of the cooking process.
- Q: Are insulating fire bricks chemically resistant?
- Insulating fire bricks are generally chemically resistant to a wide range of substances. These bricks are typically made from high-quality refractory materials such as alumina, silica, or a combination of both. These materials have excellent resistance to chemical attack, making insulating fire bricks highly resistant to the corrosive effects of various chemicals. However, it is important to note that the chemical resistance of insulating fire bricks can vary depending on the specific composition and manufacturing process. While they are generally resistant to most chemicals, there may be certain aggressive chemicals or extreme conditions that could potentially degrade or erode the bricks over time. To ensure the optimal chemical resistance of insulating fire bricks, it is recommended to consult the manufacturer's specifications or seek expert advice for specific applications. This will help ensure that the bricks are suitable for the intended chemical environment and will perform reliably over the desired lifespan.
- Q: Are insulating fire bricks suitable for insulation in walls?
- Insulating fire bricks are not typically suitable for insulation in walls. While they are excellent for high-temperature applications, such as lining furnaces or kilns, they have limited insulation properties when it comes to walls. Insulating fire bricks have lower thermal conductivity than regular bricks, meaning they conduct heat at a slower rate. However, they are not as effective as other insulation materials specifically designed for walls, such as fiberglass, foam boards, or mineral wool. These materials are specifically engineered to provide superior insulation properties, such as higher R-values, which measure the material's resistance to heat transfer. Additionally, insulating fire bricks are often more expensive and heavier than other insulation options, making them less practical for wall insulation. Therefore, while insulating fire bricks have their advantages in certain applications, they are generally not the best choice for insulating walls.
- Q: Are insulating fire bricks suitable for use in the construction of smelters?
- Insulating fire bricks are indeed appropriate for the construction of smelters. These bricks are specifically engineered to endure high temperatures and offer exceptional insulation qualities, thus rendering them a perfect choice for smelting purposes. Their thermal conductivity is low, enabling efficient heat retention and minimized energy wastage throughout the smelting procedure. Moreover, insulating fire bricks exhibit resistance to thermal shock, a vital feature in smelting operations characterized by abrupt temperature fluctuations. Thus, owing to their superior capacity to withstand heat and insulate, insulating fire bricks present a dependable option for smelter construction.
- Q: How do insulating fire bricks provide insulation against heat transfer?
- Insulating fire bricks provide insulation against heat transfer through a combination of their composition and structure. These bricks are made from lightweight refractory materials such as clay, alumina, or silica, which have excellent thermal insulating properties. The structure of insulating fire bricks is designed to minimize the transfer of heat. They are typically made with a high proportion of air pockets or voids, which act as insulating barriers against the flow of heat. The voids reduce the density of the bricks, making them lighter and less conductive to heat. Moreover, insulating fire bricks have low thermal conductivity, meaning they are not good conductors of heat. This property is achieved by using materials with low thermal conductivity and by incorporating insulating additives during the manufacturing process. As a result, the bricks are able to resist the transfer of heat from one side to the other. In addition, insulating fire bricks have a high melting point, which allows them to withstand extremely high temperatures without losing their insulating properties. This makes them suitable for applications where heat insulation is needed, such as in kilns, furnaces, and fireplaces. Overall, insulating fire bricks provide insulation against heat transfer by utilizing their lightweight composition, structural design with air pockets, low thermal conductivity, and high melting point. These properties make them effective in minimizing heat flow and maintaining temperature stability in various heating applications.
- Q: Can insulating fire bricks be used in the construction of industrial furnaces?
- Indeed, the utilization of insulating fire bricks is viable in the creation of industrial furnaces. These bricks are specifically engineered to endure elevated temperatures and thermal shocks, rendering them suitable for deployment in furnaces operating at exceedingly high levels of heat. Their thermal conductivity is notably low, thereby reducing heat dissipation and enhancing the energy efficiency of the furnace. Moreover, these fire bricks exhibit a lightweight composition and are effortlessly maneuverable, thereby proving to be convenient for construction endeavors. In summary, the superb insulation capabilities and heat-resistant attributes of insulating fire bricks position them as an optimal selection for the construction of industrial furnaces.
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Insulating Fire Brick GJM26 Light Weight and Low Thermal Conductivity
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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