Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 27
- 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: Can insulating fire bricks be used in the construction of glass fusing kilns?
- Yes, insulating fire bricks can be used in the construction of glass fusing kilns. These bricks have excellent insulating properties, which helps in maintaining consistent and controlled temperatures inside the kiln. Additionally, they can withstand high temperatures without cracking or breaking, making them suitable for glass fusing kilns.
- Q: Can insulating fire bricks be used for insulation in cold storage facilities?
- Yes, insulating fire bricks can be used for insulation in cold storage facilities. Insulating fire bricks are made from lightweight materials with high insulating properties, such as ceramic or refractory fibers. They have low thermal conductivity, which means they can effectively prevent heat transfer and maintain a stable temperature inside the cold storage facility. The bricks are also resistant to extreme cold temperatures and can withstand thermal shock, making them suitable for use in cold storage applications. Additionally, insulating fire bricks are durable and can provide long-term insulation, reducing energy consumption and maintaining the desired temperature for storing perishable goods.
- Q: Can insulating fire bricks be used in the construction of industrial dryers?
- Yes, insulating fire bricks can be used in the construction of industrial dryers. These bricks have excellent thermal insulation properties, which make them ideal for retaining heat within the dryer and reducing heat loss. Additionally, insulating fire bricks are resistant to high temperatures, making them suitable for the extreme heat generated in industrial dryers.
- Q: Can insulating fire bricks be used in refractory lining applications?
- Yes, insulating fire bricks can be used in refractory lining applications. Insulating fire bricks are made from lightweight materials that have high insulating properties, such as clay or silica. These bricks are designed to provide excellent thermal insulation, reducing heat loss and improving energy efficiency in high-temperature applications. In refractory lining applications, insulating fire bricks are commonly used to line the walls, floors, and roofs of furnaces, boilers, kilns, and other industrial equipment. They are effective in preventing heat transfer to the surrounding environment and maintaining the desired temperature inside the equipment. Insulating fire bricks are also resistant to thermal shock, meaning they can withstand rapid changes in temperature without cracking or failing. This makes them suitable for applications where the equipment goes through frequent heating and cooling cycles. Furthermore, insulating fire bricks have low thermal conductivity, which means they can effectively limit heat transfer between different areas of the refractory lining. This helps to prevent hot spots and temperature imbalances, ensuring uniform heat distribution throughout the equipment. Overall, insulating fire bricks are a versatile and effective choice for refractory lining applications, providing excellent thermal insulation, resistance to thermal shock, and uniform heat distribution.
- Q: What is the typical weight of an insulating fire brick?
- The typical weight of an insulating fire brick can vary depending on the specific type and manufacturer. However, on average, an insulating fire brick weighs between 2.5 to 3.5 pounds (1.1 to 1.6 kilograms). It is important to note that this weight estimation is for a standard-sized brick, typically measuring 9 x 4.5 x 2.5 inches (22.9 x 11.4 x 6.4 centimeters). Different densities and compositions of insulating fire bricks can result in slight variations in weight, so it is always advisable to refer to the manufacturer's specifications for accurate information.
- Q: Are insulating fire bricks resistant to mold or mildew?
- No, insulating fire bricks are not resistant to mold or mildew. These types of bricks are specifically designed to withstand high temperatures and provide excellent insulation, but they do not possess any inherent resistance to mold or mildew growth. Mold and mildew can still develop on the surface of insulating fire bricks if they are exposed to moisture or damp conditions. To prevent mold or mildew growth, it is important to ensure that the bricks are kept dry and well-ventilated. Regular cleaning and maintenance can also help in preventing the growth of mold or mildew on the surface of insulating fire bricks.
- 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 anchors or supports for installation?
- Special anchors or supports are necessary for the installation of insulating fire bricks in certain applications. These bricks are lightweight and have low thermal conductivity, making them suitable for high-temperature environments like furnaces, kilns, and fireplaces. However, their lightweight nature can cause them to move or shift under certain conditions. To ensure the stability and integrity of the insulating fire bricks, it is important to use special anchors or supports during installation. These anchors or supports are typically made of metal, such as stainless steel, and are designed to securely hold the bricks in place. They prevent the bricks from shifting or falling out, especially when exposed to vibrations, thermal expansion/contraction, or other external forces. The specific type and design of the anchors or supports depend on the application and installation requirements. Common types include V anchors, U anchors, and L anchors, which can be embedded into the surrounding refractory material or attached to a structural frame. The anchors or supports should be spaced and installed correctly according to the manufacturer's guidelines to ensure sufficient support and stability of the insulating fire bricks. In conclusion, although insulating fire bricks offer excellent thermal insulation properties, they require special anchors or supports for installation to prevent movement or displacement. These anchors or supports are crucial for maintaining the structural integrity and longevity of the insulating fire brick system.
- Q: Can insulating fire bricks be used in hydrogen furnaces?
- Insulating fire bricks can be used in hydrogen furnaces, but it is important to note that not all types of insulating fire bricks are suitable for this application. Hydrogen is a highly reactive gas and can cause certain materials to degrade or react, leading to safety concerns and potential damage to the furnace. When selecting insulating fire bricks for use in hydrogen furnaces, it is crucial to choose bricks that are specifically designed for high-temperature and corrosive environments. These bricks should be made from materials that are resistant to hydrogen embrittlement and have low reactivity with hydrogen. Silicon carbide (SiC) and alumina-silica (Al2O3-SiO2) are commonly used materials for insulating fire bricks in hydrogen furnaces. These materials have good resistance to high temperatures and are chemically stable in the presence of hydrogen. It is also important to consider the density and porosity of the insulating fire bricks. Low-density bricks with high porosity are preferred for hydrogen furnaces as they provide better thermal insulation and reduce the risk of hydrogen leakage. Overall, while insulating fire bricks can be used in hydrogen furnaces, it is crucial to select the appropriate type of bricks that are specifically designed for high-temperature and corrosive environments, and have good resistance to hydrogen embrittlement and reactivity. Consulting with experts in the field and following the manufacturer's guidelines is highly recommended to ensure the safe and efficient operation of the hydrogen furnace.
- Q: Are insulating fire bricks resistant to weathering?
- Yes, insulating fire bricks are resistant to weathering. Insulating fire bricks are made from high-quality refractory materials that are designed to withstand extreme temperatures and harsh weather conditions. They are specifically engineered to have excellent resistance to thermal shock, erosion, and corrosion caused by exposure to various weather elements such as rain, snow, wind, and sunlight. Additionally, insulating fire bricks are also resistant to chemical attacks, making them highly durable and suitable for long-term use in outdoor applications. Overall, their robust composition and resistance to weathering make insulating fire bricks a reliable choice for insulation and construction purposes in outdoor environments.
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 27
- 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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