• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42

Ref Price:
get latest price
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
20 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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.

 

Feature
Light weight and low thermal conductivity    
Low heat storage  
Low iron and impurities  

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..

 

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       Densityg/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

Refractory Mullite Insulating Refractory Brick JM 42

 

Q: Can insulating fire bricks be used as a refractory lining material?
Insulating fire bricks can indeed serve as a refractory lining material. Their purpose is to effectively insulate against heat transfer by having low thermal conductivity. This quality makes them suitable for applications that necessitate the maintenance or control of high temperatures, such as kilns, furnaces, and industrial ovens. High-temperature environments require refractory lining materials to safeguard their structure against the intense heat generated within. These materials must withstand thermal shocks, chemical reactions, and mechanical stresses that occur during operation. Insulating fire bricks are a prime choice for refractory lining applications due to their exceptional thermal insulation properties and high temperature resistance. In addition to being excellent insulators, insulating fire bricks have the added benefit of low density, making them lightweight and easy to handle and install. This advantage proves useful in applications where weight is a concern or where frequent replacement or repair of refractory linings is necessary. It is important to acknowledge that the specific type and composition of insulating fire bricks may vary, and different applications may require different properties. Therefore, it is vital to consult with a refractory engineer or supplier to guarantee that the chosen insulating fire bricks are appropriate for the specific requirements of the application.
Q: What are the common sizes of insulating fire bricks?
Insulating fire bricks, also known as IFBs, are widely used in various high-temperature applications due to their excellent thermal insulation properties. These bricks are available in different sizes to suit different industrial needs. The common sizes of insulating fire bricks are typically classified based on their dimensions, such as length, width, and thickness. The most common sizes range from 9" x 4.5" x 2.5" (230mm x 115mm x 65mm) to 9" x 4.5" x 3" (230mm x 115mm x 75mm). These sizes are often referred to as standard or regular size IFBs. Apart from the regular sizes, insulating fire bricks can also be found in larger or smaller dimensions to meet specific requirements. For instance, larger IFBs may measure around 12" x 6" x 4" (305mm x 152mm x 102mm), while smaller ones can be as compact as 6" x 4" x 2" (152mm x 102mm x 51mm). It is important to note that the availability of specific sizes may vary depending on the manufacturer or supplier. Some companies may offer customized sizes to cater to the unique needs of their customers. Additionally, the thickness of insulating fire bricks can also vary, with options ranging from 2" (51mm) to 4" (102mm) and beyond. When selecting the appropriate size of insulating fire bricks, it's crucial to consider factors such as the desired insulation properties, operating temperature, and the specific application requirements. Consulting with an expert or referring to manufacturer specifications can help ensure the correct size is chosen for optimal performance and efficiency.
Q: Can insulating fire bricks be used in aluminum smelting furnaces?
Indeed, it is possible to utilize insulating fire bricks within aluminum smelting furnaces. The purpose of these bricks is to possess a low thermal conductivity, thus reducing heat losses within the furnace. This characteristic renders them suitable for various high-temperature applications, including aluminum smelting. Additionally, insulating fire bricks exhibit exceptional resistance to thermal shock, enabling them to endure sudden temperature fluctuations that frequently occur during the smelting process. Moreover, their lightweight nature facilitates ease of handling and installation within the furnace. All in all, insulating fire bricks serve as a practical choice for aluminum smelting furnaces, contributing to enhanced energy efficiency and reduced operational expenses.
Q: How do insulating fire bricks compare to ceramic fiber insulation?
Insulating fire bricks and ceramic fiber insulation are both commonly used in high-temperature applications, but they have different properties and advantages. Insulating fire bricks, also known as refractory bricks, are made from a combination of refractory clay and other materials. They are dense and heavy, providing excellent thermal conductivity and insulation. Insulating fire bricks are known for their durability and ability to withstand high temperatures, making them suitable for use in furnaces, kilns, and other industrial applications. On the other hand, ceramic fiber insulation is made from a lightweight material composed of alumina-silica fibers. This type of insulation is highly flexible and can be easily shaped or molded to fit various applications. Ceramic fiber insulation is known for its excellent thermal insulation properties and low thermal conductivity. It is also resistant to thermal shock and can withstand rapid temperature changes. In terms of insulation performance, both insulating fire bricks and ceramic fiber insulation have their advantages. Insulating fire bricks have higher thermal conductivity, which means they can transfer heat more efficiently. This property makes them ideal for applications that require rapid and uniform heat distribution. Ceramic fiber insulation, on the other hand, has lower thermal conductivity, making it more effective at preventing heat transfer. In terms of installation and maintenance, ceramic fiber insulation is easier to handle due to its lightweight and flexible nature. It can be easily cut and shaped to fit complex surfaces, reducing the need for specialized tools or equipment. Insulating fire bricks, on the other hand, are heavier and more rigid, requiring more effort and precision during installation. Overall, the choice between insulating fire bricks and ceramic fiber insulation depends on the specific requirements of the application. Insulating fire bricks are more suitable for applications that require high thermal conductivity and durability, while ceramic fiber insulation is ideal for applications that require excellent thermal insulation and flexibility.
Q: Can insulating fire bricks be used in the construction of heat storage units?
Yes, insulating fire bricks can be used in the construction of heat storage units. These bricks are designed to have excellent thermal insulation properties, which allow them to retain and store heat effectively. Using insulating fire bricks in heat storage units helps to minimize heat loss and maintain a consistent temperature, making them suitable for applications where heat storage is required, such as in residential or commercial heating systems.
Q: Can insulating fire bricks be used for insulation in furnaces?
Indeed, insulation in furnaces can be achieved by utilizing insulating fire bricks. Constructed from lightweight materials like clay and minerals, these bricks possess exceptional thermal insulation characteristics. Specifically designed to endure intense temperatures, they are well-suited for furnace applications. By impeding heat leakage from the furnace, these bricks aid in diminishing heat loss and heightening energy efficiency. Furthermore, insulating fire bricks serve to safeguard the furnace's external structure from excessive heat, thereby prolonging its lifespan. All in all, when it comes to insulation in furnaces, insulating fire bricks are a dependable and efficient option.
Q: Can insulating fire bricks be used in biomass boilers?
Indeed, insulating fire bricks are applicable in biomass boilers. These bricks are specifically engineered to possess minimal thermal conductivity, thereby aiding in the preservation of heat within the boiler and augmenting its overall efficiency. When employed in biomass boilers, these bricks function as linings for the combustion chamber, effectively confining the heat and preventing its dissipation. Moreover, insulating fire bricks exhibit exceptional resistance to elevated temperatures, rendering them suitable for use in biomass boilers where combustion temperatures can soar to several hundred degrees Celsius. Ultimately, the utilization of insulating fire bricks in biomass boilers serves to heighten their thermal efficiency, thereby lending support to a more proficient and sustainable energy production process.
Q: Are insulating fire bricks suitable for use in furnaces?
Yes, insulating fire bricks are suitable for use in furnaces. They have excellent thermal insulation properties, high temperature resistance, and can withstand the harsh conditions inside a furnace without cracking or breaking. These bricks help to maintain consistent temperatures, reduce heat loss, and improve energy efficiency in furnaces.
Q: What material is good for indoor thermal insulation?
Own home, if the south, hot summer and cold winter zone, with inorganic insulation mortar or polystyrene particles insulation mortar, the effect is very good;
Q: Can insulating fire bricks be used for insulation in power generation plants?
Insulation in power generation plants can be achieved by utilizing insulating fire bricks. These bricks are specifically designed to have low thermal conductivity, making them ideal for applications that require high-temperature insulation. Given the high temperatures at which power generation plants operate, efficient insulation is crucial to minimize heat loss and enhance energy efficiency. Insulating fire bricks are crafted from lightweight materials like clay, alumina, and silica, all of which possess exceptional insulating properties. These bricks can endure extreme temperatures ranging from 1260°C to 1790°C (2300°F to 3250°F), depending on their specific composition and grade. Consequently, they are suitable for the intense heat conditions typically encountered in power generation plants. Moreover, insulating fire bricks exhibit resistance to thermal shock, which is particularly significant in power generation plants due to the frequent and intense heating and cooling processes. The ability of these bricks to withstand thermal shock ensures the durability of the insulation, minimizing the need for frequent replacements and maintenance. In addition to their outstanding thermal insulation properties, insulating fire bricks offer other advantages. They are lighter in weight compared to traditional refractory bricks, making them easier to handle and install. This feature can save time and labor during construction or maintenance tasks in power generation plants. All in all, insulating fire bricks are a reliable and efficient choice for insulation in power generation plants. They provide high-temperature insulation, resistance to thermal shock, and easy installation, making them an ideal solution to enhance the energy efficiency and performance of power generation facilities.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords