Insulating Fire Brick - Insulation Brick, Insulating Brick, GJM23, GJM26, GJM28, GJM30, GJM32
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- Shanghai
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- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 m.t./month
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General Information of Insulating Fire Brick GJM23
Insulating fire bricks GJM23 are made from high purity alumina and low iron content raw materials. The insulating fire bricks are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM23 temperature is 1260℃(2300℉). A variety of type could be done according to customer’s request.
To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.
For insulating fire bricks GJM23,we choose the casting methord.The casting insulating fire bricks offering the lowest density, the lowest thermal conductivity for the application above 1000℃.
General Information of Insulating Fire Brick GJM26
Insulating fire brick GJM26 are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM23 temperature is 1430℃(2600℉). We could supply a wide range of shapes.
To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.
For insulating fire bricks GJM26,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.
General Information of Insulating Fire Brick GJM28
Insulating fire brick GJM28 are produced by high purity alumina and low iron raw materials. A viariety of shapes are available.
To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.
For insulating fire bricks GJM28,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.
General Information of Insulating Fire Brick GJM30
Insulating fire brick GJM30 are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM30 temperature is 1430℃(2600℉). We could supply a wide range of shapes.
To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.
For insulating fire bricks GJM30,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.
Typical Application of Insulating Fire Brick
Typical applications of magnesia bricks include ferroalloy furnace, metal mixer, Non-metallurgy industry furnace, high temperature kiln, calcined lime furnace, regenerator in glass furnace.
Technical Data of Insulating Fire Brick
| JM23 | JM26 | JM28 | JM30 | JM32 | ||||
| Physical Properties: | ||||||||
| Classifiction Temperature | ℃ | 1260.0 | 1430.0 | 1500.0 | 1600.0 | 1650 | ||
| Density | Kg/m3 | 550.0 | 850.0 | 900.0 | 1000.0 | 1100 | ||
| Cold Crushing Strength | Mpa | 1.2 | 2.0 | 2.5 | 2.8 | 3.5 | ||
| Reheating Linear Change(24hrs) | ||||||||
| 1230℃ | % | 0.4 | ||||||
| 1300℃ | ||||||||
| 1400℃ | % | 0.5 | ||||||
| 1510℃ | % | 0.6 | ||||||
| 1600℃ | % | 0.7 | ||||||
| 1650℃ | % | 0.8 | ||||||
| Hot Load Strength Deform(90 minutes) | ||||||||
| 1100℃ at 0.034 Mpa（5psi） | % | 0.1 | ||||||
| 1260℃ at 0.069 Mpa（10psi） | % | 0.2 | ||||||
| 1320℃ at 0.069 Mpa（10psi） | % | 0.3 | ||||||
| 1370℃ at 0.069 Mpa（10psi） | % | 0.2 | 0.1 | |||||
| Thermal Conductivity | ||||||||
| 400℃ | W/m.k | 0.2 | 0.3 | 0.3 | 0.3 | 0.32 | ||
| 600℃ | W/m.k | 0.2 | 0.3 | 0.3 | 0.3 | 0.35 | ||
| 800℃ | W/m.k | 0.2 | 0.3 | 0.4 | 0.4 | 0.38 | ||
| 1000℃ | W/m.k | 0.2 | 0.3 | 0.4 | 0.4 | 0.42 | ||
| 1200℃ | W/m.k | 0.4 | 0.4 | 0.4 | 0.44 | |||
| 1400℃ | W/m.k | |||||||
| Specific Heat | KJ/Kg.K | 1.1 | 1.1 | 1.1 | 1.1 | 1.10 | ||
| Chemical Analysis: | ||||||||
| Al2O3 | % | 47.0 | 50.0 | 60.0 | 70.0 | 75.0 | ||
| SiO2 | % | 44.4 | 47.1 | 38.2 | 28.3 | 23.2 | ||
| Fe2O3 | % | 0.9 | 0.7 | 0.6 | 0.5 | 0.5 | ||
| TiO2 | % | 1.2 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| CaO | % | 5.2 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| MgO | % | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | ||
| Na2O+K2O | % | 1.1 | 1.7 | 0.8 | 0.7 | 0.6 | ||
Photo of Insulating Fire Brick
- Q:What is the typical porosity of an insulating fire brick?
- The specific type and composition of an insulating fire brick influence its typical porosity, which can vary. Generally, insulating fire bricks have a porosity range of 40% to 70%. Porosity refers to the presence of open space or voids within the brick structure, which enhances its thermal insulation properties by minimizing heat transfer. The brick's insulation capability improves as its porosity increases. Manufacturers of insulating fire bricks typically target a specific porosity range to achieve the desired thermal conductivity and insulation efficiency.
- Q:Are insulating fire bricks resistant to molten metals?
- Yes, insulating fire bricks are generally resistant to molten metals. Insulating fire bricks are made from refractory materials that have high melting points and excellent thermal insulation properties. This makes them suitable for applications where they come into contact with high temperatures, including molten metals. The insulating properties of these bricks help to minimize heat transfer, preventing the heat from the molten metal from being conducted through the brick. Additionally, the refractory materials used in these bricks have low thermal expansion, which allows them to withstand thermal shock that can occur when molten metals come into contact with the bricks. However, it is important to note that the specific resistance of insulating fire bricks to molten metals can depend on factors such as the type of metal, temperature, and duration of exposure. Therefore, it is recommended to consult with the manufacturer or a professional to ensure that the insulating fire bricks are suitable for the specific application involving molten metals.
- Q:Are insulating fire bricks resistant to thermal expansion or contraction?
- Indeed, insulating fire bricks exhibit a remarkable resistance to thermal expansion and contraction. These bricks are composed of materials possessing minimal thermal conductivity, enabling them to endure elevated temperatures without experiencing substantial expansion or contraction. This characteristic renders them exceptionally well-suited for scenarios necessitating thermal stability and insulation, including kilns, furnaces, and various high-temperature settings.
- Q:Do insulating fire bricks require any special installation techniques?
- Yes, insulating fire bricks require special installation techniques. These bricks are typically lightweight and have low thermal conductivity, making them highly effective in insulating applications. To ensure proper installation, it is important to follow the manufacturer's guidelines and use appropriate tools, such as refractory mortar or adhesive, to securely bond the bricks together. Additionally, proper curing and drying procedures should be followed to avoid any potential cracking or damage during the installation process.
- Q:Are insulating fire bricks resistant to weathering?
- Yes, insulating fire bricks are resistant to weathering. Insulating fire bricks are made from high-quality refractory materials that are designed to withstand extreme temperatures and harsh weather conditions. They are specifically engineered to have excellent resistance to thermal shock, erosion, and corrosion caused by exposure to various weather elements such as rain, snow, wind, and sunlight. Additionally, insulating fire bricks are also resistant to chemical attacks, making them highly durable and suitable for long-term use in outdoor applications. Overall, their robust composition and resistance to weathering make insulating fire bricks a reliable choice for insulation and construction purposes in outdoor environments.
- Q:Can insulating fire bricks be used in contact with molten metal?
- Indeed, it is possible to utilize insulating fire bricks in direct contact with molten metal. Specifically engineered to endure extreme temperatures, these bricks are widely employed in industrial settings where they encounter molten metal. With their exceptional resistance to thermal shock, they are capable of withstanding the intense heat generated by molten metal. Furthermore, insulating fire bricks possess low thermal conductivity, thereby reducing heat loss and enhancing energy efficiency. However, it is crucial to ascertain that the specific variant of insulating fire brick employed is suitable for the specific type of molten metal and temperature range it will be exposed to. Different metals possess varying melting points, which may necessitate the use of more specialized refractory materials.
- Q:Are insulating fire bricks chemically resistant?
- Insulating fire bricks exhibit a wide resistance to numerous substances chemically. These bricks are typically composed of top-notch refractory materials, including alumina, silica, or a combination of the two. These materials possess exceptional chemical resistance, thereby endowing insulating fire bricks with formidable protection against the corrosive effects of diverse chemicals. Nevertheless, it is essential to acknowledge that the chemical resistance of insulating fire bricks may vary depending on their distinct composition and manufacturing techniques. While they generally withstand most chemicals, there exists a possibility of certain aggressive chemicals or extreme circumstances potentially causing the degradation or erosion of the bricks over time. To guarantee the utmost chemical resistance of insulating fire bricks, it is advised to consult the manufacturer's specifications or seek expert counsel pertaining to specific applications. Such measures will ensure that the bricks are suitable for the intended chemical environment and will consistently perform as desired throughout their expected lifespan.
- Q:Can insulating fire bricks be used for insulation in heat exchangers?
- Yes, insulating fire bricks can be used for insulation in heat exchangers. Insulating fire bricks have excellent thermal properties, high insulation efficiency, and can withstand high temperatures, making them suitable for heat exchangers where insulation is crucial to minimize heat loss and increase energy efficiency.
- Q:Are insulating fire bricks suitable for use in glass melting furnaces?
- Yes, insulating fire bricks are suitable for use in glass melting furnaces. Insulating fire bricks have high thermal resistance and low thermal conductivity, making them ideal for retaining heat and preventing heat loss in the furnace. Additionally, their lightweight and porous nature allow for efficient energy utilization and reduced fuel consumption.
- Q:Do insulating fire bricks require a protective coating?
- No, insulating fire bricks do not require a protective coating. They are designed to be used in high-temperature applications and are already resistant to heat, making them suitable for use without any additional coating.
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Insulating Fire Brick - Insulation Brick, Insulating Brick, GJM23, GJM26, GJM28, GJM30, GJM32
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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