$Insulating Fire Brick - Refractory Mullite GJM26 System 1$
$Insulating Fire Brick - Refractory Mullite GJM26 System 2$
$Insulating Fire Brick - Refractory Mullite GJM26 System 3$
$Insulating Fire Brick - Refractory Mullite GJM26 System 4$

$Insulating Fire Brick - Refractory Mullite GJM26$

$Insulating Fire Brick - Refractory Mullite GJM26 System 1$

$Insulating Fire Brick - Refractory Mullite GJM26 System 2$

$Insulating Fire Brick - Refractory Mullite GJM26 System 3$

$Insulating Fire Brick - Refractory Mullite GJM26 System 4$

Insulating Fire Brick - Refractory Mullite GJM26

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 100000 m.t./month

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Insulating Fire Brick - High Temperature Bubble Alumina Brick

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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	---

$Refractory Mullite Insulating Fire Brick GJM26$

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: What is the recommended thickness for insulating fire brick installations?: The optimal thickness for insulating fire brick installations may differ based on the particular application and requirements. Typically, a thickness ranging from 2.5 to 3 inches is widely suggested for these installations. Such a thickness adequately offers insulation characteristics and thermal resistance to endure elevated temperatures and avoid heat loss. Nonetheless, it is crucial to refer to the manufacturer's guidelines and take into account factors like intended usage, operating temperature, and any applicable regulations or codes to ensure the precise thickness is utilized for the given installation.

Q: Can insulating fire bricks be used in high-temperature kilns and furnaces?: Yes, insulating fire bricks can be used in high-temperature kilns and furnaces. Insulating fire bricks are specially designed to withstand extreme heat and provide excellent insulation properties. They are made from lightweight refractory materials, such as clay and silica, which have high melting points and low thermal conductivity. These bricks can effectively retain heat, reducing energy loss and improving the efficiency of the kiln or furnace. Additionally, insulating fire bricks have good resistance to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. This makes them suitable for use in high-temperature applications where the kiln or furnace may go through frequent heating and cooling cycles. Overall, insulating fire bricks are an ideal choice for insulating and protecting high-temperature kilns and furnaces.

Q: Are insulating fire bricks resistant to acids?: Yes, insulating fire bricks are generally resistant to acids. They are made from materials that can withstand high temperatures and are chemically stable, making them suitable for applications where acid resistance is required.

Q: Do insulating fire bricks require a refractory mortar for installation?: Yes, insulating fire bricks typically require a refractory mortar for proper installation. Refractory mortar helps to secure the bricks in place, fill any gaps or voids, and provide additional insulation and strength to the overall structure.

Q: Do insulating fire bricks absorb moisture?: No, insulating fire bricks do not absorb moisture. These bricks are made from materials that are resistant to moisture absorption, such as high-alumina or silica. This makes them ideal for applications where moisture resistance is required, such as in high-temperature environments or when used as insulation in fireplaces or kilns. The non-absorbent properties of insulating fire bricks help to maintain their structural integrity and insulation performance over time, even in humid conditions.

Q: Are insulating fire bricks suitable for use in furnaces?: Indeed, furnaces can indeed benefit from the utilization of insulating fire bricks. These exceptional bricks are meticulously crafted to endure extreme temperatures and deliver remarkable insulation capabilities. By employing lightweight materials with minimal thermal conductivity, they effectively retain heat and minimize energy dissipation within the furnace. Withstanding temperatures up to 3000°F (1650°C), these bricks are extensively employed in a range of furnaces, such as kilns, incinerators, and industrial furnaces. Their insulation properties significantly enhance energy efficiency and curtail fuel consumption, rendering them a preferred selection for furnace applications.

Q: Can insulating fire bricks be used in high-temperature insulation blankets for aerospace applications?: Insulating fire bricks are not typically used in high-temperature insulation blankets for aerospace applications due to their solid and rigid nature, which makes them unsuitable for flexible and conformable insulation. Instead, aerospace insulation blankets are typically made from flexible and lightweight materials like ceramic fiber or silica fiber. These materials offer excellent thermal insulation properties and can easily mold and shape to fit complex geometries. They provide effective heat insulation and protection for critical components. Additionally, insulation blankets in aerospace applications must meet stringent requirements such as low outgassing, high thermal stability, and resistance to vibration and mechanical stress. Insulating fire bricks may not satisfy these specific requirements and may not withstand the extreme conditions in aerospace environments. In conclusion, while insulating fire bricks excel in certain high-temperature insulation applications, they are not appropriate for aerospace insulation blankets. The aerospace industry demands insulation materials that are flexible, lightweight, and high-performing, capable of conforming to intricate shapes and enduring the unique challenges of this sector.

Q: Can insulating fire bricks be used in the construction of steel rolling mills?: Insulating fire bricks have the capability to be utilized in the construction of steel rolling mills. With their exceptional thermal insulation properties, these bricks are designed specifically for applications that necessitate high temperatures and heat containment. They prove to be suitable for lining the walls of furnaces, ovens, and other heat-processing equipment within steel rolling mills due to the involvement of elevated temperatures. The utilization of these bricks aids in diminishing heat loss, enhancing energy efficiency, and maintaining a steady temperature environment, which is of utmost importance during the steel rolling process. Furthermore, the lightweight nature and ease of installation of insulating fire bricks make them a practical and advantageous choice for construction purposes in steel rolling mills.

Q: Can insulating fire bricks be used in thermal oxidizers?: Yes, insulating fire bricks can be used in thermal oxidizers. Insulating fire bricks are designed to have low thermal conductivity, meaning they can effectively reduce heat transfer and conserve energy in high-temperature applications. Thermal oxidizers are devices used to treat industrial exhaust gases by oxidizing pollutants at high temperatures. By using insulating fire bricks in the construction of thermal oxidizers, heat can be contained within the system, ensuring efficient combustion and minimizing heat loss to the surroundings. This not only improves the overall thermal efficiency of the thermal oxidizer but also helps to reduce energy consumption and operating costs. Additionally, insulating fire bricks are highly resistant to thermal shock and have excellent insulating properties, making them suitable for the harsh and demanding conditions typically found in thermal oxidizers.

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