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: Can insulating fire bricks be used in the construction of thermal insulation roofs?
- Yes, insulating fire bricks can be used in the construction of thermal insulation roofs. These bricks are designed to have high thermal resistance and low thermal conductivity, making them suitable for insulating applications. They can help reduce heat transfer and improve energy efficiency in roofs by providing effective insulation.
- Q: What is the price of refractory bricks?
- Insulating brick is a refractory brick often used in kilns to reduce the heat loss of kilnsSo as to ensure the practical efficiency of kiln and bring more benefits.There are many kinds of thermal insulation bricks, and there are many refractory manufacturersAs to how much bricks should be paid, a detailed consultation should be made to the refractory bricks manufacturerHave some understanding of the properties, technologies, raw materials and so on, and make a decisionDifferent types of insulation brick prices are different, the price is relatively cheap, lightweight clay insulation brick 1The market price is 1.3 yuan a pieceThe price of mullite heat preservation brick 0.8, the market price of 4.62 yuan a pieceDepending on the area, the price of insulating bricks will fluctuate somewhat
- Q: Do insulating fire bricks require a curing period before use?
- Typically, insulating fire bricks need to be cured before being used. This is because when these bricks are made, they are exposed to high temperatures, which can cause moisture and volatile compounds to be released. The curing process involves slowly heating the bricks in order to remove any remaining moisture and volatile substances. This ensures that the bricks are fully dried and stabilized before being exposed to the intense heat of a fire. The length of the curing period can vary depending on the type and thickness of the bricks, but it generally involves gradually increasing the temperature over a period of several days or weeks. Failing to properly cure insulating fire bricks can result in cracking, spalling, and reduced thermal efficiency. Therefore, it is crucial to follow the manufacturer's recommendations and allow for an appropriate curing period before using these bricks in high-temperature applications.
- Q: How do insulating fire bricks affect the overall insulation properties of a structure?
- Insulating fire bricks play a crucial role in enhancing the overall insulation properties of a structure. These bricks are specifically designed to have a low thermal conductivity, meaning they can effectively resist the transfer of heat. As a result, they act as a barrier to prevent the escape of heat from the structure during cold weather and prevent the intrusion of external heat during hot weather. By using insulating fire bricks, the overall thermal insulation of a structure is significantly improved. These bricks have a high porosity and low density, which allows them to trap air within their structure. This trapped air acts as an excellent insulator, creating a thermal barrier that minimizes heat transfer through conduction, convection, and radiation. As a result, the heat loss or gain through the walls, floors, and roofs of a building is significantly reduced. In addition, insulating fire bricks also have excellent refractory properties, meaning they can withstand high temperatures without deforming or deteriorating. This characteristic is essential in applications where the structure is exposed to extreme heat, such as in industrial furnaces or kilns. By maintaining their structural integrity under high temperatures, these bricks ensure that the insulation properties of the structure remain intact even in challenging environments. Overall, the use of insulating fire bricks has a positive impact on the insulation properties of a structure. They effectively reduce heat transfer, conserve energy, and maintain a comfortable indoor environment. Additionally, their durability and resistance to high temperatures make them a reliable choice for insulation in various industrial and residential applications.
- Q: Can insulating fire bricks be used in thermal insulation panels?
- Insulating fire bricks possess the capability to be utilized in thermal insulation panels. These bricks are manufactured using lightweight materials, including clay, alumina, and silica, which exhibit exceptional thermal insulation properties. They are engineered to withstand extreme temperatures and deliver insulation across a range of applications, such as furnaces, kilns, and industrial equipment. When integrated into thermal insulation panels, insulating fire bricks aid in diminishing heat transfer and enhancing energy efficiency. They effectively trap and reflect heat, preventing its escape or entry into the insulated area. This renders them suitable for insulating walls, roofs, and other structures that necessitate thermal insulation. Furthermore, the installation of insulating fire bricks is hassle-free, as they can be cut or shaped to accommodate various spaces and configurations. This flexibility allows for personalized customization and ensures a secure and efficient insulation barrier. It should be noted that while insulating fire bricks provide exceptional thermal insulation, their effectiveness in sound insulation may be limited. Therefore, additional soundproofing measures may be required if soundproofing is also a requirement. In conclusion, insulating fire bricks represent a dependable choice for thermal insulation panels, offering superior insulation performance, durability, and versatility.
- Q: Can insulating fire bricks be used in the construction of foundry molds?
- Yes, insulating fire bricks can be used in the construction of foundry molds. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation properties, which make them suitable for use in foundry molds. These bricks help to maintain a consistent temperature within the mold, ensuring efficient and effective casting processes.
- Q: Do insulating fire bricks require any special cleaning procedures?
- Special cleaning procedures are not necessarily needed for insulating fire bricks. Nevertheless, just like any other substance, they can gather dust, dirt, or debris as time goes on, which may diminish their insulating capabilities. To uphold their effectiveness, it is suggested to occasionally eliminate any loose particles by gently brushing or vacuuming the surface of the bricks. If the bricks come into contact with oil or grease, it is recommended to utilize a mild detergent or soap solution for cleansing the affected regions. In general, consistent maintenance and preventing excessive accumulation will guarantee their optimal performance.
- Q: Can insulating fire bricks be used in pizza ovens or outdoor grills?
- Indeed, insulating fire bricks are perfectly suitable for utilization in pizza ovens or outdoor grills. These bricks are specifically designed to withstand elevated temperatures and offer exceptional insulation properties, rendering them highly desirable for applications that demand intense heat, such as pizza ovens or grills. By incorporating insulating fire bricks, one can guarantee even distribution and retention of heat within the cooking area, resulting in a more efficient cooking process and delectable food. Furthermore, these bricks possess remarkable durability and resistance to thermal shock, allowing them to endure repeated exposure to extreme temperatures without cracking or deteriorating. Consequently, opting to use insulating fire bricks in pizza ovens or outdoor grills represents a superb choice for achieving optimal heat retention and superior cooking performance.
- Q: What is the thermal expansion of insulating fire bricks?
- The thermal expansion of insulating fire bricks refers to the change in dimensions or volume of these bricks as a result of temperature changes. Insulating fire bricks are designed to have low thermal conductivity and high resistance to heat, making them suitable for applications where insulation and heat containment are crucial. The thermal expansion of insulating fire bricks is relatively low compared to other types of fire bricks. This is due to the composition and manufacturing process of these bricks, which typically involve lightweight materials such as clay, alumina, and silica mixed with organic additives. The low thermal expansion of insulating fire bricks allows them to retain their shape and structural integrity even when exposed to high temperatures. This property is particularly important in applications where thermal cycling occurs, such as in furnaces, kilns, and thermal insulation systems. To determine the exact thermal expansion coefficient of insulating fire bricks, it is necessary to consider the specific composition and manufacturing process of the particular brand or type of brick. However, in general, insulating fire bricks have a lower thermal expansion coefficient compared to other conventional fire bricks, which ensures their stability and longevity in high-temperature environments.
- Q: Do insulating fire bricks require preheating before use?
- Yes, insulating fire bricks typically require preheating before use. Preheating the bricks helps to remove any moisture or volatile organic compounds that may be present in the material. This is important because moisture or volatile compounds can cause the bricks to crack or even explode when exposed to high temperatures. Preheating also helps to condition the bricks and prevent thermal shock, which can occur when the bricks are rapidly exposed to extreme temperatures. By slowly and gradually increasing the temperature, the bricks are able to expand and contract without any damage. Therefore, it is recommended to preheat insulating fire bricks before using them in order to ensure their durability and performance.
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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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