Insulating Fire Brick - GJM Insulation Brick Insulating Brick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000000 pc/month
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General information of Insulating Brick
Insulating firebricks are classified under tempera-ture between 1100C to 1700C, manufactured from high purity alumina clay.
Insulating fire bricks 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℃.
Application of Insulation brick
Insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layerin iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.
Features of Insulation brick
◆Light weight and low thermal conductivity
◆Low heat storage
◆Low iron and impurities
◆High thermal shock resistance
Technical Data of GJM series Insulation 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 | ||
Technical Data of B series Insulation Brick
| B-1 | B-2 | B-3 | B-4 | B-5 | B-6 | B-7 | ||||
| Physical Properties: | ||||||||||
| Density | g/cm3 | 0.7 | 0.7 | 0.75 | 0.80 | 0.80 | 0.90 | 1.00 | ||
| Cold Crushing Strength | Mpa | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3.0 | 3.0 | ||
| Thermal Conductivity 350℃ | W/m.k | 0.17 | 0.18 | 0.20 | 0.22 | 0.23 | 0.27 | 0.31 | ||
Technical Data of C series Insulation Brick
| C-1 | C-2 | C-3 | ||||
| Physical Properties: | ||||||
| Density | g/cm3 | 1.1 | 1.2 | 1.3 | ||
| Cold Crushing Strength | Mpa | 5.0 | 7.0 | 10.0 | ||
| Thermal Conductivity 350℃ | W/m.k | 0.30 | 0.38 | 0.45 | ||
Photo of Insulation Brick
- Q: Can insulating fire bricks be used in refractory lining for steelmaking?
- Yes, insulating fire bricks can be used in refractory lining for steelmaking. Insulating fire bricks are made from lightweight ceramic materials, which have excellent thermal insulation properties. This makes them suitable for use in high-temperature applications such as steelmaking, where maintaining a consistent temperature is crucial. Insulating fire bricks can help to reduce heat loss, improve energy efficiency, and provide insulation against the extreme temperatures experienced in steelmaking processes. Additionally, these bricks are resistant to thermal shock, which is important for withstanding rapid temperature changes during steel production. Therefore, using insulating fire bricks in refractory lining for steelmaking can help to optimize the performance and efficiency of the steelmaking process.
- Q: Do insulating fire bricks have a high resistance to spalling?
- Yes, insulating fire bricks have a high resistance to spalling.
- 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 specifically designed to provide high levels of insulation, making them ideal for applications where heat retention is important. When used in conjunction with ceramic fiber lining, insulating fire bricks can help increase energy efficiency and reduce heat loss in kilns. Additionally, insulating fire bricks are lightweight and easy to work with, allowing for easier installation and construction of the kiln. Overall, using insulating fire bricks in the construction of ceramic fiber-lined kilns can help improve the kiln's performance and efficiency.
- Q: Are insulating fire bricks resistant to sound transmission?
- Insulating fire bricks, which are also known as refractory bricks, are primarily designed to withstand high temperatures and provide thermal insulation. Despite their effectiveness in reducing heat transfer, they are not specifically engineered to resist sound transmission. The composition of insulating fire bricks consists of materials like clay, alumina, and silica, carefully selected for their ability to withstand high temperatures. These materials possess density and low porosity, which aids in blocking the passage of heat through the bricks. However, solid materials, including insulating fire bricks, allow sound waves to easily pass through unless additional measures are taken to mitigate sound transmission. To effectively minimize sound transmission, it is advisable to employ other soundproofing techniques in conjunction with insulating fire bricks. These methods may involve incorporating additional layers of acoustic insulation or utilizing sound barriers like mass-loaded vinyl or acoustic panels. In summary, while insulating fire bricks excel in providing thermal insulation, they do not possess inherent resistance to sound transmission. To efficaciously minimize noise transmission within a given area, supplementary soundproofing measures should be implemented.
- Q: Can insulating fire bricks be used as a lining material for boilers?
- Yes, insulating fire bricks can be used as a lining material for boilers. Insulating fire bricks are made from lightweight refractory materials that have high insulating properties. These bricks are designed to withstand high temperatures, making them suitable for use in boilers where temperatures can reach up to several hundred degrees Celsius. The insulating properties of these bricks help to reduce heat loss, improving the energy efficiency of the boiler. Additionally, insulating fire bricks are resistant to thermal shock, which is crucial for withstanding the rapid temperature changes that occur in boilers. Overall, insulating fire bricks are a suitable choice for lining boilers due to their excellent insulating properties and ability to withstand high temperatures.
- Q: Can insulating fire bricks be used in the construction of ovens or kilns for pottery?
- Yes, insulating fire bricks can be used in the construction of ovens or kilns for pottery. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They have a low thermal conductivity, which means they can effectively retain heat and prevent heat loss, making them ideal for creating and maintaining high temperatures required in pottery ovens or kilns. Additionally, insulating fire bricks have good resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This makes them a reliable choice for constructing ovens or kilns that need to undergo frequent heating and cooling cycles. Overall, insulating fire bricks are a popular choice in pottery oven or kiln construction due to their thermal insulation properties and durability.
- Q: Are insulating fire bricks resistant to gas permeability?
- Yes, insulating fire bricks are resistant to gas permeability. They have low porosity and high density, which prevents the penetration of gases, making them an effective barrier against gas permeation.
- Q: What is the thermal expansion of insulating fire bricks?
- Insulating fire bricks undergo changes in dimensions or volume when subjected to temperature variations. These bricks are designed to possess low thermal conductivity and high heat resistance, making them ideal for situations that require insulation and heat containment. Compared to other fire brick varieties, insulating fire bricks exhibit relatively minimal thermal expansion. This is attributed to their composition and manufacturing process, which typically involve lightweight materials like clay, alumina, and silica mixed with organic additives. The low thermal expansion of insulating fire bricks allows them to maintain their shape and structural integrity, even under high temperature conditions. This characteristic is especially crucial in applications that involve thermal cycling, such as furnaces, kilns, and thermal insulation systems. To determine the precise thermal expansion coefficient of a particular brand or type of insulating fire brick, it is necessary to take into account its specific composition and manufacturing process. However, in general, insulating fire bricks possess a lower thermal expansion coefficient compared to conventional fire bricks. This ensures their stability and durability in environments with elevated temperatures.
- Q: Do insulating fire bricks require any special installation techniques?
- Yes, insulating fire bricks do require special installation techniques. These bricks are designed to provide excellent thermal insulation, which means they need to be installed properly to achieve optimal performance. Firstly, it is important to ensure that the installation surface is clean and free from any debris or moisture. This helps to create a strong and stable base for the bricks. Next, a suitable refractory mortar or adhesive should be used to secure the bricks in place. This mortar should be specifically designed for high-temperature applications and should be able to withstand the thermal expansion and contraction that occurs during heating and cooling cycles. During the installation process, it is crucial to pay attention to the joints between the bricks. These joints should be properly filled with mortar to prevent heat loss and maintain the insulating properties of the bricks. Additionally, insulating fire bricks should be carefully stacked and aligned to ensure a tight fit and minimize any gaps between the bricks. This helps to maximize the insulating effect and prevent heat leakage. Finally, it is recommended to consult the manufacturer's guidelines and follow their recommended installation techniques. Each type of insulating fire brick may have specific requirements that need to be followed for proper installation. Overall, insulating fire bricks do require special installation techniques to ensure their effectiveness and longevity. Following proper installation practices will help to enhance the thermal insulation properties of these bricks and optimize their performance.
- Q: Can insulating fire bricks be used in the construction of glass melting furnaces?
- Yes, insulating fire bricks can be used in the construction of glass melting furnaces. Insulating fire bricks are designed to have a high resistance to heat and are capable of withstanding extremely high temperatures. They have low thermal conductivity, which means they can effectively retain heat and minimize heat loss. In glass melting furnaces, where temperatures can reach up to 1600°C (2912°F) or even higher, insulating fire bricks play a crucial role in maintaining the desired temperature inside the furnace. By using insulating fire bricks as the furnace lining, the heat generated during the melting process can be efficiently contained within the furnace, allowing for better energy efficiency and reduced heat loss. Furthermore, insulating fire bricks are lightweight and have good thermal shock resistance, which makes them ideal for use in glass melting furnaces where rapid temperature changes are common. This ensures that the bricks will not crack or break under the extreme conditions of the furnace. Overall, the use of insulating fire bricks in the construction of glass melting furnaces provides better insulation, energy efficiency, and durability, making them a suitable choice for this application.
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Insulating Fire Brick - GJM Insulation Brick Insulating Brick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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