• Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 1
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 2
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 3
  • Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33 System 4
Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33

Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 33

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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       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 33

Refractory Mullite Insulating Refractory Brick JM 33

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:Do insulating fire bricks emit any toxic fumes when heated?
No, insulating fire bricks do not emit any toxic fumes when heated. They are designed to withstand high temperatures without releasing any harmful gases or substances.
Q:Can insulating fire bricks be used in the construction of ceramic fiber-lined kilns?
Yes, insulating fire bricks can be used in the construction of ceramic fiber-lined kilns. Insulating fire bricks are designed to provide excellent insulation and can help increase the energy efficiency of the kiln. By using insulating fire bricks, the kiln can reach and maintain higher temperatures while minimizing heat loss through the walls.
Q:Can insulating fire bricks be used in aluminum furnaces?
Yes, insulating fire bricks can be used in aluminum furnaces. Insulating fire bricks are designed to have excellent thermal insulation properties, which makes them suitable for use in high-temperature environments such as aluminum furnaces. These bricks can withstand the extreme heat of aluminum melting and help to retain heat within the furnace, resulting in improved energy efficiency. Additionally, insulating fire bricks can also provide protection against heat loss, reduce the risk of overheating, and contribute to a more stable and controlled heating process.
Q:Can insulating fire bricks be used for insulation in heat treatment furnaces?
Indeed, insulation in heat treatment furnaces can be achieved through the utilization of insulating fire bricks. These bricks are specially engineered to endure extreme temperatures and offer exceptional thermal insulation properties. With their low thermal conductivity, they effectively trap heat within the furnace. Moreover, their lightweight composition facilitates effortless handling and installation. Insulating fire bricks find widespread application in diverse heat treatment procedures, including annealing, tempering, and hardening, guaranteeing utmost heat retention and energy efficiency within the furnace.
Q:Can insulating fire bricks be used in chimney lining?
Yes, insulating fire bricks can be used in chimney lining. They are designed to withstand high temperatures and provide insulation, making them an ideal choice for lining chimneys to improve heat retention and prevent heat transfer to surrounding structures.
Q:Can insulating fire bricks be used in the construction of crucible furnaces?
Crucible furnaces can indeed utilize insulating fire bricks. These bricks have been specifically engineered to endure extreme temperatures while providing exceptional insulation capabilities, making them a suitable choice for crucible furnace construction. Comprised of lightweight materials like alumina and silica, these bricks possess low thermal conductivity, allowing them to effectively retain heat. By incorporating insulating fire bricks, crucible furnaces can achieve heightened energy efficiency, quicker heating durations, and improved temperature regulation. Furthermore, these bricks exhibit resistance to thermal shock, guaranteeing their durability under the crucible furnace's intense heat. Overall, due to their remarkable thermal insulation properties and ability to withstand high temperatures, insulating fire bricks have gained popularity as a preferred option for constructing crucible furnaces.
Q:Can insulating fire bricks be used in the construction of combustion flues?
Yes, insulating fire bricks can be used in the construction of combustion flues. Insulating fire bricks are designed to withstand high temperatures, making them ideal for use in environments where heat resistance is required. Combustion flues are exposed to extreme heat and gases generated during combustion, and insulating fire bricks can help protect the flue structure from the intense heat and prevent heat loss. Additionally, these bricks have low thermal conductivity, meaning they are effective in insulating and retaining heat within the flue. This can help improve the efficiency of the combustion process and minimize energy waste. Overall, the use of insulating fire bricks in the construction of combustion flues can enhance safety, efficiency, and longevity of the flue system.
Q:Is it possible to recycle broken insulating fire bricks?
It is indeed feasible to recycle damaged insulating fire bricks. These bricks are typically composed of recyclable materials like clay and alumina. After breaking, they can be crushed into tiny particles or ground into a fine powder. These fragments can then be blended with other substances to produce fresh bricks or alternative construction materials. Furthermore, certain recycling facilities may accept broken insulating fire bricks and repurpose them for use in various industries. By recycling these bricks, waste is minimized, resources are conserved, and the environmental consequences of manufacturing new bricks from scratch are reduced.
Q:What are the safety precautions when working with insulating fire bricks?
When working with insulating fire bricks, it is important to follow several safety precautions to ensure the well-being of yourself and others. Here are some key safety measures to consider: 1. Personal protective equipment (PPE): Wear appropriate PPE, including heat-resistant gloves, long-sleeved clothing, safety goggles, and a respiratory mask. These will protect you from potential burns, cuts, and inhalation of harmful dust or fumes. 2. Proper ventilation: Work in a well-ventilated area or use local exhaust ventilation to minimize exposure to dust and fumes that may be released during handling or cutting of the bricks. 3. Fire prevention: Keep a fire extinguisher nearby and ensure the workspace is clear of flammable materials. Insulating fire bricks are highly refractory and can withstand high temperatures, but it is still important to prevent accidental fires. 4. Manual handling: Insulating fire bricks can be heavy, so use proper lifting techniques and avoid overexertion to prevent strains or injuries. If necessary, use mechanical aids such as trolleys or lifting equipment to move the bricks. 5. Cutting and grinding: When cutting or grinding the bricks, use appropriate tools and ensure they are in good working condition. This will minimize the risk of accidents or injuries. Be cautious of sharp edges and wear protective gloves to avoid cuts. 6. Temperature control: Insulating fire bricks are designed to withstand high temperatures, but avoid direct contact with hot surfaces. Use appropriate tools or equipment to handle the bricks when they are at an elevated temperature. 7. Storage and handling: Store the bricks in a cool, dry place away from direct sunlight or extreme temperatures. Avoid stacking them too high to prevent the risk of collapse or toppling. 8. Training and knowledge: Ensure you have received proper training and are familiar with the characteristics and properties of insulating fire bricks. Understand their limitations and follow the manufacturer's guidelines for safe handling and usage. By adhering to these safety precautions, you can significantly reduce the risk of accidents, injuries, and health hazards when working with insulating fire bricks. Remember, safety should always be a top priority in any workplace.
Q:Can insulating fire bricks be used for insulation in boilers?
Certainly, insulation in boilers can make use of insulating fire bricks. These bricks are specially engineered to endure extreme temperatures and offer exceptional thermal insulation. Their thermal conductivity is minimal, resulting in a significant decrease in heat dissipation and an enhancement in the energy efficacy of boilers. Moreover, insulating fire bricks are lightweight and simple to install, rendering them a favored option for boiler insulation. They aid in preserving elevated temperatures within the boiler, facilitating efficient combustion and heat transfer, while simultaneously shielding the outer framework from excessive heat. All in all, insulating fire bricks are a dependable and efficient alternative for boiler insulation.

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