Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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General Information
CMAX insulating firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)
Feature
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Application of Insulating brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc.
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density,g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
Common problem solution
1. What products do you have?
We have all kinds of refractory bricks, refractory casting materials, mortar, cement, ceramic fiber products, etc..
Or you can browse our products to choose what you need.
2. How to control product quality?
With strict quality control system throughout the material selection and production process, we have the quality of refractory materials and ceramic fiber products to meet customer requirements.
From the selection of raw materials, the quality of our control to start. The quality of the raw materials required for each batch of products in the use of the front line test. In the production process, through the quality control of workers, and then to each piece of classification, and through quality supervision and inspection.
3. Could you give me a brief introduction to the application of your product?
My Company is mainly engaged in steel, cement, glass, ceramics, petrochemical, electric power and other industries.
4. If I need you, what kind of information do you need?
In order to select the right products, we will provide us with information, such as the United States, technical data, order quantity, product applications, etc..
If you have any questions, please contact us.
- Q: Are insulating fire bricks resistant to phosphoric acid?
- Insulating fire bricks are generally not resistant to phosphoric acid. Phosphoric acid is a strong acid that can react with and corrode many materials, including fire bricks. While some fire bricks may have a certain level of resistance to acidic environments, it is unlikely that insulating fire bricks would be able to withstand prolonged exposure to phosphoric acid without significant deterioration. It is therefore recommended to use acid-resistant materials, such as acid-resistant bricks or linings, when dealing with phosphoric acid or other strong acids.
- 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 as a refractory lining material?
- Yes, insulating fire bricks can be used as a refractory lining material. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively insulate against heat transfer. This makes them suitable for applications where high temperatures need to be maintained or controlled, such as in kilns, furnaces, and industrial ovens. Refractory lining materials are used to protect the structure of these high-temperature environments from the extreme heat generated inside. They need to be able to withstand the thermal shocks, chemical reactions, and mechanical stresses that occur during operation. Insulating fire bricks offer excellent thermal insulation properties, as well as high temperature resistance, making them an ideal choice for refractory lining applications. In addition to their insulating properties, insulating fire bricks also have low density, making them lightweight and easier to handle and install. This can be beneficial in applications where weight is a concern or where refractory linings need to be replaced or repaired frequently. It is important to note that the specific type and composition of insulating fire bricks may vary, and different applications may require different properties. Therefore, it is essential to consult with a refractory engineer or supplier to ensure the chosen insulating fire bricks are suitable for the specific requirements of the application.
- Q: Are insulating fire bricks suitable for use in cement plants?
- Insulating fire bricks are indeed suitable for utilization in cement plants. Crafted from lightweight refractory materials, these bricks are specifically designed to withstand high temperatures and thermal shock. Their low thermal conductivity allows for effective insulation against heat transfer. In cement plants, where the production process generates elevated temperatures, insulating fire bricks can be applied in various ways. For instance, they can be utilized to line the kiln, which subjects raw materials to extreme temperatures in order to produce cement clinker. By possessing insulating properties, these bricks aid in minimizing heat loss and enhancing energy efficiency within the kiln. Moreover, insulating fire bricks can be employed to line the preheater tower and other areas within the cement plant that experience high temperatures. In doing so, these bricks provide both insulation and protection against the intense heat, consequently prolonging the lifespan of the equipment and reducing maintenance costs. Furthermore, the lightweight nature of insulating fire bricks renders them easier to handle and install in comparison to traditional refractory bricks. Consequently, this can save time and labor during the construction or repair of cement plant equipment. On the whole, insulating fire bricks are a suitable option for utilization in cement plants due to their resistance to high temperatures, low thermal conductivity, and ease of installation. Their implementation can contribute to enhanced energy efficiency, equipment durability, and cost savings within cement plant operations.
- Q: Can insulating fire bricks be used for insulation in glass manufacturing?
- Insulation in glass manufacturing can be achieved using insulating fire bricks. These bricks are specifically designed to possess exceptional thermal insulation properties, a high resistance to heat, and low thermal conductivity. These qualities make them well-suited for situations where the maintenance or control of high temperatures is necessary, such as in glass manufacturing processes. The implementation of insulating fire bricks in glass manufacturing contributes to the reduction of heat loss and the enhancement of energy efficiency. By insulating the furnace or kiln, these bricks prevent excessive heat from escaping, resulting in a decreased energy requirement to sustain the desired temperature. This not only leads to savings in energy costs but also facilitates the establishment of a more stable and regulated environment for the glass manufacturing process. Moreover, insulating fire bricks possess the ability to endure the extreme temperatures typically encountered during glass manufacturing, thus making them a dependable choice for insulation. With a capacity to withstand temperatures reaching up to 3000 degrees Fahrenheit (1650 degrees Celsius), these bricks remain structurally intact and effective in their insulation function within the furnace or kiln. To summarize, the exceptional thermal insulation properties, high heat resistance, and low thermal conductivity of insulating fire bricks render them a suitable option for insulation in glass manufacturing. Their implementation aids in the enhancement of energy efficiency, the maintenance of stable temperatures, and the creation of a controlled environment for the glass manufacturing process.
- Q: Do insulating fire bricks have a high heat storage capacity?
- Yes, insulating fire bricks do have a high heat storage capacity. These bricks are designed to retain heat for extended periods of time, making them ideal for applications that require heat insulation and retention, such as furnaces, kilns, and fireplaces.
- Q: Do insulating fire bricks require a protective coating for outdoor use?
- Yes, insulating fire bricks typically require a protective coating for outdoor use. This is because exposure to harsh weather conditions, moisture, and temperature fluctuations can potentially degrade the bricks over time. Applying a protective coating helps to enhance their durability and longevity when used outdoors.
- Q: Can insulating fire bricks be used in drying ovens?
- Certainly, drying ovens can utilize insulating fire bricks. Specifically engineered with low thermal conductivity, these bricks prove to be a superb option for heat insulation purposes, notably in drying ovens. They possess the ability to endure elevated temperatures and efficiently insulate the oven, thereby aiding in maintaining the desired temperature and minimizing heat dissipation to the surroundings. Moreover, their lightweight nature and ease of installation render insulating fire bricks a highly practical selection for incorporation into drying ovens.
- Q: Can insulating fire bricks be used in combination with other insulation materials?
- Insulating fire bricks can be utilized alongside other insulation materials to maximize their thermal insulation capabilities. Renowned for their exceptional thermal insulation properties, insulating fire bricks are commonly employed in kilns, furnaces, and fireplaces to effectively minimize heat transfer. However, attaining optimal thermal efficiency may necessitate additional insulation in certain instances. By merging insulating fire bricks with alternative insulation materials, the overall insulation performance can be significantly augmented. For instance, ceramic fiber blankets or boards can be employed in conjunction with insulating fire bricks to furnish supplementary insulation and bridge any gaps or joints between the bricks. This amalgamation aids in minimizing heat loss and elevating energy efficiency. Moreover, utilizing multiple insulation materials can confer additional advantages, such as heightened fire resistance, enhanced sound insulation, and fortified structural integrity. By skillfully combining diverse insulation materials, a more efficacious insulation system can be fashioned to meet the specific requirements of various applications. When combining different insulation materials, it is imperative to consider their compatibility and adherence to one another. Each material may possess distinct thermal properties, density, and installation prerequisites, necessitating strict adherence to the manufacturer's recommendations and guidelines for appropriate installation. In conclusion, the utilization of insulating fire bricks in conjunction with other insulation materials is instrumental in augmenting thermal insulation and overall performance across diverse applications. However, ensuring compatibility and adhering to proper installation guidelines is vital in order to achieve optimal outcomes.
- Q: Do insulating fire bricks require any special cleaning procedures?
- Insulating fire bricks do not necessarily require any special cleaning procedures. However, like any other material, they may accumulate dust, dirt, or debris over time, which can reduce their insulating properties. To maintain their effectiveness, it is recommended to periodically remove any loose particles by gently brushing or vacuuming the surface of the bricks. In cases where the bricks are exposed to oil or grease, it is advisable to use a mild detergent or soap solution to clean the affected areas. Overall, regular maintenance and keeping the bricks free from excessive buildup will ensure their optimal performance.
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 26
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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