Insulating Fire Brick - Refractory Mullite GJM32
- 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: Do insulating fire bricks have a high thermal stability?
- Insulating fire bricks possess a remarkable level of thermal stability, as they are specifically engineered to endure elevated temperatures without degradation or the loss of their insulating properties. Crafted from top-notch refractory materials capable of withstanding extreme temperatures, these bricks are exceptionally well-suited for situations where thermal stability is of utmost importance. Their low thermal conductivity enables them to effectively trap and retain heat, thus preventing its escape. Consequently, they are particularly valuable in environments necessitating consistent temperatures, such as furnaces, kilns, and various high-temperature industrial processes. In summary, insulating fire bricks are renowned for their exceptional thermal stability, rendering them a dependable option for applications demanding insulation and safeguarding against high temperatures.
- Q: Are insulating fire bricks suitable for use in autoclaves?
- The utilization of insulating fire bricks in autoclaves is typically not suitable. Autoclaves, which are utilized for sterilization, curing, and material testing, create high-temperature and high-pressure environments. Insulating fire bricks are primarily intended for reducing heat loss and providing insulation in applications involving high temperatures. However, autoclaves necessitate materials capable of withstanding both high temperatures and high pressures. Insulating fire bricks are not designed to withstand the high pressures commonly encountered in autoclaves, and employing them in such environments may result in structural failure or damage. To ensure the safety and durability of the equipment, it is recommended to use refractory bricks or materials specifically engineered for high-temperature and high-pressure conditions in autoclave applications. These materials are designed to endure the extreme conditions found within autoclaves.
- Q: Can insulating fire bricks be used in the construction of crucible furnaces?
- Yes, insulating fire bricks can be used in the construction of crucible furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for lining the walls of crucible furnaces. They help to retain heat, reduce energy consumption, and ensure efficient melting and casting processes.
- Q: Can insulating fire bricks be used in ladles?
- Yes, insulating fire bricks can be used in ladles. Insulating fire bricks are designed to withstand high temperatures and provide thermal insulation. They are commonly used in applications where there is a need to maintain or control high temperatures, such as in furnaces, kilns, and ladles. Ladles are used for pouring and transferring molten metal or other materials, and the use of insulating fire bricks in ladles helps to minimize heat loss and improve energy efficiency. Additionally, insulating fire bricks can also provide a protective barrier against chemical reactions and erosion caused by the molten materials, making them suitable for ladle applications.
- Q: Can insulating fire bricks be used in paper mills?
- Yes, insulating fire bricks can be used in paper mills. Insulating fire bricks are commonly used in industries that require high-temperature insulation, such as steel, glass, and ceramics. In paper mills, where processes like drying, heating, and burning occur, insulating fire bricks can be used to line kilns, furnaces, and other equipment to provide insulation and prevent heat loss. These bricks have excellent thermal insulation properties and can withstand high temperatures, making them suitable for use in paper mills where heat is a crucial component of the manufacturing process. Additionally, insulating fire bricks are lightweight and have low thermal conductivity, allowing for efficient heat retention and energy savings.
- Q: What are the key properties of insulating fire bricks?
- Insulating fire bricks, also known as IFBs, possess several key properties that make them highly effective in various industrial applications. Firstly, insulating fire bricks have a high level of thermal insulation. This means that they are capable of withstanding extremely high temperatures while minimizing heat transfer. This thermal insulation property allows for the retention of heat within the desired area, preventing heat loss and improving overall energy efficiency. Secondly, insulating fire bricks have excellent refractory properties. Refractoriness refers to the ability of a material to withstand high temperatures without deforming or deteriorating. IFBs are specifically designed to have a high refractory rating, enabling them to withstand temperatures up to 3000°F (1650°C) without succumbing to thermal shock or breaking down. Another key property of insulating fire bricks is their low thermal conductivity. This property ensures that heat is not easily conducted through the bricks, leading to reduced heat loss and increased energy conservation. The low thermal conductivity of IFBs also allows for rapid heating and cooling cycles, making them ideal for applications that require quick temperature changes. Furthermore, insulating fire bricks are lightweight and have a high strength-to-weight ratio. This makes them easy to handle, transport, and install, reducing labor and logistical costs. Despite their lightweight nature, IFBs are still capable of maintaining structural integrity and providing reliable insulation. Lastly, insulating fire bricks are highly resistant to chemical attack and corrosion, ensuring their durability and longevity in harsh environments. They are commonly used in applications involving acids, alkalis, and other corrosive substances, providing reliable insulation and protection. In summary, the key properties of insulating fire bricks include high thermal insulation, excellent refractory properties, low thermal conductivity, lightweight yet strong structure, and resistance to chemical attack. These properties make IFBs highly desirable for a wide range of industrial applications, including furnaces, kilns, incinerators, and other high-temperature environments.
- Q: Are insulating fire bricks resistant to impact or mechanical stress?
- Yes, insulating fire bricks are generally resistant to impact and mechanical stress due to their high strength and durability.
- Q: Can insulating fire bricks be cut or shaped as needed?
- It is possible to cut or shape insulating fire bricks according to one's needs. These bricks are manufactured using lightweight materials like ceramic fibers and refractory materials, which make them more easily cut and shaped compared to traditional dense fire bricks. Cutting them can be done effortlessly using a saw or a specialized cutting tool, while shaping can be achieved through grinding, sanding, or chiseling. The ability to cut and shape them gives the advantage of custom fitting the insulating fire bricks to specific applications or structures. However, it is crucial to emphasize that precautions must be taken for safety while cutting or shaping the bricks. Wearing protective goggles, gloves, and a dust mask is essential in order to prevent inhaling any hazardous particles.
- Q: Can insulating fire bricks be used for insulation in steel mills?
- Insulation in steel mills is possible with the use of insulating fire bricks. These bricks are crafted from lightweight refractory materials that possess exceptional insulating properties and can endure high temperatures. Their purpose is to limit heat transfer and maintain the desired temperature within the furnace or kiln. In the steel mills, these bricks are applicable for insulating the walls, floors, and roofs of the furnaces, ladles, and other equipment. This insulation aids in minimizing heat loss, enhancing energy efficiency, and ensuring consistent and controlled heating processes. Moreover, insulating fire bricks offer thermal stability and safeguard the steel mill equipment against excessive heat, thereby contributing to extended equipment lifespan and reduced maintenance expenses.
- Q: Which kind of balcony heat preservation material is better?
- New inorganic insulation material, this material thickness is thin, in 2-3 centimeters line, direct smear on the top of the house, without auxiliary materials, the price is higher than rock wool, aluminum silicate cotton.
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Insulating Fire Brick - Refractory Mullite GJM32
- 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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