• Refractory GJM Mullite Insulation Brick B-2 System 1
Refractory GJM Mullite Insulation Brick B-2

Refractory GJM Mullite Insulation Brick B-2

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000 m.t./month

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Specifications

mullite insulation brick 
1. Low thermal conductivity 
2.High hot compressive strength 
3.Perfect Energy saving

Light weight mullite insulation furnace bricks refractory for sale

Advantage

1. Low thermal conductivity 
2.High hot compressive strength 
3.Perfect Energy saving

 

Description:

  Lightweight mullite kiln bricks refractory for sale are made from good quality and superpure raw materials, with strictly classified fillings according to their grades. These fillings can form a uniform pore structure after burnt during the process of manufacture. Each grade of products has unique design to meet different thermal, physical and chomical demands.

Application:

 Mullite insulation  furnace bricks refractory material can be used in linings or heat-insulating materials of the industries, such as, ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc

Mullite Insulation  furnace refractory material can be used as working lining, where contact with flames directly. This kind of brick can save the kiln energy very much


Q:Do insulating fire bricks have a low coefficient of thermal expansion?
Insulating fire bricks possess a low coefficient of thermal expansion, implying minimal expansion and contraction upon encountering high temperatures. These bricks are specifically engineered to endure extreme heat and retain their structural integrity. By resisting cracking and breaking caused by thermal stress, their low coefficient of thermal expansion renders them perfect for various applications, including insulation in furnaces, kilns, and other environments demanding thermal stability.
Q:What is the recommended curing method for insulating fire bricks?
To prevent cracking or damage, it is advised to gradually and carefully air dry insulating fire bricks after they have been laid and mortared into place. It is crucial to maintain a stable temperature and humidity level throughout the curing process. This can be achieved by gradually increasing the temperature over a few days and ensuring proper ventilation. The bricks should be exposed to air circulation to aid in the evaporation of any moisture in the mortar or within the bricks themselves. It should be noted that the length of the curing process may vary depending on the size and thickness of the brickwork. Attempting to expedite the process by applying excessive heat or moisture can cause thermal stress and compromise the integrity of the bricks. In some instances, it may be advisable to pre-fire the bricks in a kiln to eliminate any remaining moisture before installation. This can help accelerate the curing process and guarantee that the bricks are completely dried before being put into service. In conclusion, the recommended curing method for insulating fire bricks involves gradual air drying, maintaining consistent temperature and humidity levels, and allowing sufficient time for the bricks to fully cure before exposing them to high temperatures. By adhering to these guidelines, the longevity and performance of the insulating fire bricks can be ensured.
Q:How do insulating fire bricks contribute to reducing heat loss?
Insulating fire bricks contribute to reducing heat loss by their unique thermal properties and design. These bricks are made from insulating materials, such as ceramic fibers or lightweight refractory aggregates, which have low thermal conductivity. This means that they are not easily conductive to heat transfer, preventing the transfer of heat from one side of the brick to the other. Furthermore, the structure of insulating fire bricks includes small air pockets or voids within the material. These air pockets act as thermal barriers, as air is a poor conductor of heat. When heat tries to pass through the brick, it gets trapped within these voids, significantly reducing heat transfer. The insulating properties of these bricks help to create a thermal barrier in various applications, such as industrial furnaces, kilns, and fireplaces. By using insulating fire bricks as lining or insulation material, the heat loss from these systems is minimized. This not only helps to maintain a more stable and uniform temperature within the enclosed space but also increases energy efficiency by reducing the amount of heat wasted. In addition, insulating fire bricks are resistant to high temperatures, ensuring that they do not degrade or lose their insulating capabilities when exposed to extreme heat. This durability allows them to provide long-lasting insulation and contribute to reducing heat loss over an extended period. Overall, insulating fire bricks are highly effective in reducing heat loss due to their low thermal conductivity, presence of air pockets, and high-temperature resistance. Their incorporation in various thermal systems helps to conserve energy, improve thermal efficiency, and create a more comfortable and controlled environment.
Q:What is the difference between insulating fire bricks and regular fire bricks?
Insulating fire bricks and regular fire bricks differ primarily in their thermal properties and applications. Insulating fire bricks are designed specifically for their high insulating capabilities, making them excellent for use in applications where heat retention is crucial. These bricks have low thermal conductivity, meaning they are able to minimize heat transfer and maintain the desired temperature within an enclosed space. As a result, they are commonly used in industries like iron and steel, ceramics, glass, and petrochemicals, where high temperatures need to be contained efficiently. On the other hand, regular fire bricks, also known as refractory bricks, are more focused on withstanding extreme heat and maintaining structural integrity in high-temperature environments. They are typically made from dense materials like clay or silica, which provide excellent resistance against heat, chemicals, and mechanical stress. Regular fire bricks are widely used in fireplaces, wood-burning stoves, kilns, and other heating appliances, where their dense composition ensures durability and resistance to thermal shock. In summary, insulating fire bricks prioritize heat insulation, while regular fire bricks prioritize heat resistance and structural stability. The choice between the two depends on the specific requirements of the application, with insulating fire bricks being ideal for industries needing heat retention, and regular fire bricks being suitable for high-temperature environments where durability and resilience are crucial.
Q:How do insulating fire bricks affect the overall fire safety of a structure?
Insulating fire bricks play a crucial role in enhancing the overall fire safety of a structure. These bricks are designed to withstand high temperatures and provide excellent insulation, making them an ideal choice for applications where heat containment is necessary. By effectively insulating the structure, these bricks help in minimizing the spread of fire and heat transfer. Their low thermal conductivity helps to slow down the rate at which heat is conducted through the walls, ceiling, and floors of a building. This property is particularly important in preventing the fire from spreading to adjacent areas or neighboring structures. Insulating fire bricks also contribute to the fire safety of a structure by acting as a barrier to the penetration of flames and hot gases. Their ability to withstand high temperatures without compromising their structural integrity allows them to effectively contain the fire within a confined area. This containment prevents the fire from rapidly escalating and provides valuable time for evacuation or firefighting efforts. Furthermore, insulating fire bricks are known for their excellent fire resistance properties. They are manufactured using refractory materials that can withstand extremely high temperatures without melting or disintegrating. This resistance to heat ensures that the bricks maintain their structural integrity even under intense fire conditions, thereby providing a reliable fire protection barrier. In addition to their fire resistance properties, insulating fire bricks also possess excellent insulation capabilities. They have low thermal conductivity, which means they are great at preventing heat transfer. By reducing the rate of heat transfer, these bricks help in maintaining a cooler temperature on the non-fire side. This is particularly beneficial for structures that require temperature control, such as industrial furnaces or kilns. Overall, insulating fire bricks greatly enhance the fire safety of a structure by minimizing the spread of fire, acting as a barrier to flames and hot gases, and withstanding high temperatures without compromising their integrity. Their insulation properties also contribute to maintaining a cooler environment on the non-fire side. Therefore, incorporating insulating fire bricks into the construction of a building significantly improves its ability to withstand and contain fires, ultimately ensuring the safety of occupants and reducing property damage.
Q:Can insulating fire bricks be used in the construction of hot water boilers?
Yes, insulating fire bricks can be used in the construction of hot water boilers. Insulating fire bricks are specially designed to withstand high temperatures and provide excellent thermal insulation. They have low thermal conductivity, which helps to reduce heat loss and improve the overall energy efficiency of the boiler. These bricks also have good resistance to thermal shock, making them suitable for the intense heat generated in hot water boilers. Additionally, their lightweight nature makes them easier to handle and install in the boiler, making them a popular choice for insulation purposes in hot water boiler construction.
Q:Are insulating fire bricks suitable for outdoor applications?
Insulating fire bricks are generally not suitable for outdoor applications. These bricks are designed to be used in high-temperature environments such as kilns, furnaces, and other industrial applications. They have excellent thermal insulation properties and can withstand very high temperatures. However, insulating fire bricks are not designed to withstand exposure to the elements and can be easily damaged by moisture, rain, and extreme weather conditions. They are not resistant to freezing and thawing cycles, which can cause them to crack and break. For outdoor applications, it is recommended to use fire bricks that are specifically made for outdoor use. These bricks are usually made of dense clay or other materials that can withstand moisture and weather conditions. They are more durable and can provide better protection against the elements. It is important to consider the specific requirements and conditions of your outdoor application before choosing the appropriate type of fire bricks. Consulting with a professional or supplier knowledgeable in fire bricks can help ensure that you select the right product for your needs.
Q:Are insulating fire bricks resistant to salt attack?
Insulating fire bricks do not typically possess resistance against salt attack, which refers to the deterioration and corrosion of materials caused by salt or saltwater exposure. Although insulating fire bricks are engineered to have exceptional thermal insulation properties, they are not specifically formulated to endure the damaging effects of salt. Salt attack has the potential to weaken the structure of the bricks, leading to a decrease in their performance and durability over time. If these bricks are consistently exposed to salt or saltwater, it is probable that their degradation will be hastened, making them unreliable for long-term use in such environments. To ensure resilience against salt attack, it is advised to utilize refractory materials specially designed for this purpose, such as salt-resistant fire bricks or refractories with a higher alumina content. These materials have been developed to withstand the corrosive impacts of salt and are better suited for applications where exposure to salt or saltwater is anticipated.
Q:Do insulating fire bricks require any special insulation blankets or jackets?
Yes, insulating fire bricks do require special insulation blankets or jackets in order to enhance their insulating properties and protect them from heat loss and damage. These blankets or jackets help to create a barrier that prevents the transfer of heat, ensuring maximum insulation and energy efficiency.
Q:Can insulating fire bricks be used for insulation in chemical plants?
Indeed, insulation in chemical plants can be achieved with the utilization of insulating fire bricks. These bricks are crafted from lightweight materials possessing exceptional insulating characteristics, such as ceramic fibers or refractory materials. Their composition renders them capable of enduring elevated temperatures, thus rendering them suitable for deployment in environments where chemical procedures generate heat. Within chemical plants, insulating fire bricks can be employed in a multitude of applications, including the lining of furnaces, reactors, kilns, and other equipment. By virtue of their remarkable insulating properties, they aid in minimizing heat loss, conserving energy, and maintaining optimal operating temperatures, thereby ensuring the utmost efficiency and safety in the chemical processes.

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