Insulating Fire Brick - Refractory Mullite Insulating Fire Brick GJM28
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 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
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.
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 | --- |
- Q: How do insulating fire bricks help to conserve energy?
- Insulating fire bricks help to conserve energy in several ways. Firstly, these bricks are made from materials that have high thermal resistance, which means they are excellent at preventing the transfer of heat. By using insulating fire bricks in the construction of furnaces, kilns, or any other heat-generating equipment, they act as a barrier that prevents the loss of heat to the surroundings. This, in turn, reduces the amount of energy required to maintain a consistent temperature within the equipment. Additionally, insulating fire bricks have low thermal conductivity, meaning they do not conduct heat easily. As a result, they prevent the transfer of heat from the hot side to the cold side, minimizing heat loss and ensuring that more energy is utilized for the intended purpose rather than being wasted. Furthermore, insulating fire bricks have high heat capacity, allowing them to absorb and store heat efficiently. This property is beneficial as it helps to stabilize temperature fluctuations by releasing stored heat slowly over time, reducing the need for constant energy input to maintain the desired temperature. In summary, insulating fire bricks help to conserve energy by reducing heat loss, minimizing heat transfer, and stabilizing temperature fluctuations. By implementing these bricks in various heat-generating applications, energy consumption can be significantly reduced, leading to cost savings and a more sustainable use of resources.
- Q: Can insulating fire bricks be used for insulation in smelters?
- Indeed, insulation in smelters can be achieved by utilizing insulating fire bricks. These bricks are purposefully crafted to endure elevated temperatures and offer exceptional thermal insulation. Composed of lightweight refractory materials with low thermal conductivity, they effectively retain heat and limit heat dissipation. As a result, they prove to be a perfect choice for smelters, where maintaining optimal temperatures is imperative for efficient metal smelting operations. Furthermore, insulating fire bricks possess resistance against chemical corrosion and mechanical strain, guaranteeing their longevity and appropriateness for use in demanding smelting settings.
- Q: How does an insulating fire brick differ from a regular fire brick?
- The thermal properties and usage of an insulating fire brick differ from those of a regular fire brick. Both types of fire bricks are designed to withstand high temperatures and protect against fire. However, insulating fire bricks have a lower thermal conductivity, which means they provide better insulation and prevent heat transfer more effectively compared to regular fire bricks. Insulating fire bricks are typically made from lightweight materials like expanded clay, vermiculite, or perlite, which have high insulating properties. On the other hand, regular fire bricks are usually made from dense and heavy materials like clay, which offer better structural strength and durability. The lower thermal conductivity of insulating fire bricks makes them perfect for applications where insulation is crucial, such as lining furnaces, kilns, and other high-temperature equipment. They help minimize heat loss, reduce energy consumption, and enhance overall efficiency. Conversely, regular fire bricks are more suitable for applications where strength and durability are the main concerns, such as constructing fireplaces or chimneys. In conclusion, although both insulating fire bricks and regular fire bricks are used for fire protection, their distinct thermal properties and composition make them appropriate for different applications. Insulating fire bricks excel in providing insulation and reducing heat transfer, while regular fire bricks prioritize structural strength and durability.
- Q: Is it necessary to abolish the technical regulations for the construction of self thermal insulation masonry building with sludge sintering insulation bricks?
- Silt sintering brick insulation brick is made from river mud, city sludge, mud as the main raw materials, added according to a certain proportion of siliceous inorganic binder after aging, extrusion blank, blank by cutting, drying, sintering and extrusion molding machine. The utility model has the advantages of energy saving, resource saving, favorable for developing circular economy and comprehensive utilization of resources, high micropore rate, good product heat insulation performance and heat insulation performance, etc..
- Q: Can insulating fire bricks be used in industrial furnaces?
- Yes, insulating fire bricks can be used in industrial furnaces. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They are made from lightweight refractory materials, such as alumina, silica, or mullite, which have low thermal conductivity. This allows them to efficiently trap heat within the furnace, reducing heat loss and improving energy efficiency. In industrial furnaces, where high temperatures are required for various processes like metal melting, glass manufacturing, or ceramic production, insulating fire bricks can be used to line the inner walls and floor of the furnace. Their insulation properties help to maintain a consistent temperature inside the furnace, ensuring optimal conditions for the industrial process. Insulating fire bricks also have the advantage of being lightweight, which makes them easier to handle and install compared to traditional dense fire bricks. This can save time and labor costs during the construction or repair of industrial furnaces. However, it is worth noting that the specific type and composition of insulating fire bricks should be carefully selected based on the operating temperature and requirements of the industrial furnace. Different types of insulating fire bricks have different temperature limits and resistance to thermal shock. Therefore, consulting with a professional or a refractory expert is recommended to ensure the right selection and installation of insulating fire bricks in industrial furnaces.
- Q: Can insulating fire bricks be used in the construction of glass slump molds?
- Yes, insulating fire bricks can be used in the construction of glass slump molds. Insulating fire bricks are made of lightweight materials that are able to withstand high temperatures, making them suitable for use in kilns and other heat-intensive applications. When constructing a glass slump mold, it is important to have a material that can withstand the heat of the glass as it slumps and takes shape. Insulating fire bricks provide the necessary insulation and heat resistance required for this process. They can be cut and shaped to fit the desired mold design and can withstand repeated firings without degrading or crumbling. Overall, insulating fire bricks are a reliable and durable option for constructing glass slump molds.
- Q: What are the main uses of insulating fire bricks?
- Insulating fire bricks are primarily used in high-temperature applications where thermal insulation is required. They are commonly used in fireplaces, kilns, furnaces, and other industrial equipment to minimize heat loss, increase energy efficiency, and provide protection against extreme temperatures.
- Q: Can insulating fire bricks be used in the construction of industrial dryers?
- Industrial dryers can utilize insulating fire bricks, which are specifically designed to have low thermal conductivity. This allows them to retain heat and prevent heat loss, making them an ideal option for applications that require high temperatures. These fire bricks are created using lightweight materials like clay, silica, and alumina, and can withstand temperatures of up to 3000°F (1650°C). They possess exceptional insulation properties, leading to reduced energy consumption and improved efficiency for the industrial dryer. Moreover, insulating fire bricks are highly resistant to thermal shock, meaning they can endure sudden temperature changes without cracking or breaking. This quality is particularly crucial in industrial dryer settings where temperature fluctuations can occur rapidly. In conclusion, insulating fire bricks are a suitable choice for constructing industrial dryers due to their low thermal conductivity, resistance to high temperatures, and ability to withstand thermal shock.
- Q: Are insulating fire bricks resistant to vibrations?
- Insulating fire bricks are generally not designed to be resistant to vibrations. While they are known for their excellent thermal insulation properties, their resistance to vibrations is typically limited. Insulating fire bricks are made from lightweight materials such as ceramic fibers, vermiculite, or perlite, which are not particularly known for their ability to dampen or absorb vibrations. Therefore, if a specific application requires resistance to vibrations, it may be advisable to consider alternative materials or designs that are better suited for such conditions.
- Q: How does the density of an insulating fire brick affect its performance?
- The performance of an insulating fire brick is heavily influenced by its density. Generally, bricks with higher density provide superior thermal insulation and mechanical strength compared to bricks with lower density. The density of an insulating fire brick directly affects its thermal insulation capabilities. Bricks with higher density have smaller pores and a more compact structure, resulting in better insulation against heat transfer. This means that the brick can effectively resist the transfer of heat, maintaining a consistent temperature within the structure it is used in. On the other hand, bricks with lower density have larger pores and a less compact structure, allowing for more heat transfer and reducing their insulating capabilities. Apart from thermal insulation, the density of an insulating fire brick also impacts its mechanical strength. Bricks with higher density generally have greater structural integrity and resistance to mechanical stress. This means that they are more reliable and durable, capable of withstanding higher temperatures and physical pressures without cracking or breaking. Conversely, bricks with lower density may be more fragile and prone to damage, limiting their performance in harsh conditions. Therefore, when selecting an insulating fire brick for a specific application, it is important to consider its density. A balance must be struck between achieving optimal thermal insulation and mechanical strength. Factors such as the desired level of insulation, operating temperature, and structural requirements of the application should be taken into account to determine the appropriate density of the insulating fire brick for maximum performance.
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Insulating Fire Brick - Refractory Mullite Insulating Fire Brick GJM28
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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