Refractory Mullite Insulating Refractory Brick JM 35
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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Okorder series heat insulation brick
Okorder series thermal insulation brick is an effective, energy saving, low carbon, environmental protection advanced, according to the ASTM standard manufacturing products. Okorder series products have all kinds of materials in the field of metallurgy, industrial furnaces, aluminum, the best Li Ning petrochemical and insulation, electric power and glass ceramics. They can be used as part of an insulation or not to melt. Products have been widely used in the following furnace, achieved satisfactory results.
Application of heat preservation 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.
Chundu: High-speed Rail, low content of alkali metal impurities.
Accuracy: the size of the brick machining precision, cutting and grinding the special shape, speed up the brick.
Technical Data
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 | --- |
Insulating brick
- Q:Can insulating fire bricks be used for insulation in hot water tanks?
- Indeed, insulating fire bricks are suitable for insulating hot water tanks. Their superior thermal insulation properties deem them an optimal selection for such purpose. By utilizing these bricks, heat loss from the hot water tank can be efficiently prevented, consequently prolonging the water's temperature retention. Furthermore, these bricks exhibit exceptional durability and can endure high temperatures without fracturing or shattering, rendering them a dependable option for hot water tank insulation.
- Q:What materials are used to make insulating fire bricks?
- Insulating fire bricks are typically made using lightweight aggregates such as vermiculite, perlite, or expanded clay. These aggregates are mixed with a high-temperature refractory material such as alumina, silica, or zirconia, along with a bonding agent like clay or phosphate. This combination of materials provides excellent thermal insulation properties and resistance to high temperatures.
- Q:Can insulating fire bricks be used in the construction of thermal insulation floors?
- Yes, insulating fire bricks can be used in the construction of thermal insulation floors. Insulating fire bricks are specially designed to have low thermal conductivity, which means they can effectively prevent the transfer of heat. This makes them an excellent choice for thermal insulation applications, including floors. By using insulating fire bricks in the construction of thermal insulation floors, the heat loss from the floor can be significantly reduced, leading to improved energy efficiency and cost savings. Additionally, insulating fire bricks are lightweight and easy to install, making them a practical choice for construction projects. Overall, insulating fire bricks are a suitable and effective option for incorporating thermal insulation into floors.
- Q:Are insulating fire bricks resistant to ultraviolet radiation?
- Insulating fire bricks are not typically resistant to ultraviolet (UV) radiation. These bricks are designed to withstand high temperatures and provide thermal insulation, but they are not specifically engineered to withstand UV radiation. UV radiation can cause degradation and discoloration of certain materials, including some types of bricks. Therefore, if exposed to prolonged UV radiation, insulating fire bricks may experience a reduction in their performance and durability. If UV resistance is a requirement for a specific application, it is advisable to explore alternative materials or consider additional protective measures such as using UV-resistant coatings or shading.
- Q:Can insulating fire bricks be used in oil refineries?
- Yes, insulating fire bricks can be used in oil refineries. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for various industrial applications, including oil refineries. They help to reduce heat loss, improve energy efficiency, and protect the surrounding equipment and structures from extreme heat.
- Q:Can insulating fire bricks be used in the construction of ceramic fiber kilns?
- In the construction of ceramic fiber kilns, insulating fire bricks can indeed be utilized. These bricks are specifically designed to offer thermal insulation and minimize heat loss in high-temperature situations. Their exceptional insulating properties, characterized by low thermal conductivity, render them extremely suitable for maintaining elevated temperatures in kilns. The incorporation of insulating fire bricks in ceramic fiber kiln construction has the potential to heighten the kiln's overall energy efficiency and enhance its performance. However, it is crucial to guarantee that the insulating fire bricks selected align with the particular requirements and operating conditions of the ceramic fiber kiln to achieve optimal outcomes.
- Q:Can insulating fire bricks be used in chimney liners?
- Yes, insulating fire bricks can be used in chimney liners. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties. They are commonly used in applications such as kilns, furnaces, and fireplaces where heat retention is important. When used as chimney liners, insulating fire bricks help to protect the chimney walls from the extreme heat generated by the fire, while also minimizing heat loss. This can improve the efficiency of the chimney and reduce the risk of damage to the surrounding structure. However, it is important to consult with a professional chimney technician or engineer to ensure that the specific type of insulating fire brick being used is suitable for the intended application and meets all relevant safety standards and building codes.
- 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.
- Q:Do insulating fire bricks have a low thermal conductivity?
- Yes, insulating fire bricks have a low thermal conductivity. These bricks are specifically designed to minimize heat transfer, making them an excellent choice for applications that require thermal insulation. Compared to regular fire bricks, insulating fire bricks have a lower density and higher porosity, which helps to reduce the flow of heat through conduction. This low thermal conductivity allows the bricks to act as effective barriers against heat transfer, keeping the surrounding areas cooler and increasing energy efficiency.
- Q:Can insulating fire bricks be used in high-temperature insulation blankets for aerospace applications?
- Insulating fire bricks are typically not used in high-temperature insulation blankets for aerospace applications. This is because insulating fire bricks are solid and rigid, which makes them unsuitable for flexible and conformable insulation applications like insulation blankets. Aerospace applications require insulation materials that can be easily molded and shaped to fit complex geometries, such as the insulation blankets used to protect critical components from extreme heat and temperature fluctuations. Instead, high-temperature insulation blankets for aerospace applications are typically made from flexible and lightweight materials like ceramic fiber or silica fiber. These materials offer excellent thermal insulation properties while also providing flexibility and conformability. They can be easily wrapped around or applied to various components, ensuring effective heat insulation and protection. Furthermore, insulation blankets used in aerospace applications are subjected to stringent requirements such as low outgassing, high thermal stability, and resistance to vibration and mechanical stress. Insulating fire bricks may not meet these specific requirements and may not be able to withstand the extreme conditions experienced in aerospace environments. In summary, while insulating fire bricks are excellent for certain high-temperature insulation applications, they are not suitable for use in aerospace insulation blankets. Aerospace applications require flexible, lightweight, and high-performance insulation materials that can conform to complex shapes and withstand the unique challenges of the aerospace industry.
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Refractory Mullite Insulating Refractory Brick JM 35
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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