Insulating Fire Brick - Refractory Mullite GJM26
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 m.t./month
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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 | --- |
- Q: Can insulating fire bricks be used in the construction of kilns?
- Insulating fire bricks have the ability to be utilized in the construction of kilns. With a focus on possessing a high insulating value, these bricks can endure high temperatures while minimizing heat loss. This attribute renders them well-suited for the task of kiln construction as they effectively preserve and regulate the desired temperature within the kiln. Furthermore, these bricks are lightweight and easily manageable, adding to their convenience in kiln construction. An additional advantage lies in their resistance to thermal shock, an imperative characteristic for kilns that experience swift temperature fluctuations. In general, insulating fire bricks are a favored option for kiln construction due to their insulating properties, durability, and user-friendliness.
- Q: Can insulating fire bricks be used in the construction of drying ovens?
- Yes, insulating fire bricks can be used in the construction of drying ovens. These bricks are designed to withstand high temperatures and have excellent thermal insulation properties, making them ideal for creating a heat-efficient environment in drying ovens. They can help in maintaining a consistent temperature and preventing heat loss, thereby improving the drying process and energy efficiency of the oven.
- Q: Are insulating fire bricks suitable for insulation in steam boilers?
- Yes, insulating fire bricks are suitable for insulation in steam boilers. They are designed to withstand high temperatures and provide excellent thermal insulation, making them ideal for use in steam boilers to minimize heat loss and improve energy efficiency.
- 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: Do insulating fire bricks have a high electrical resistivity?
- Yes, insulating fire bricks typically have a high electrical resistivity. The high resistivity of these bricks helps to prevent the flow of electric current, making them suitable for insulation purposes in various applications.
- Q: Are insulating fire bricks resistant to nitrogen oxides?
- Insulating fire bricks are known for their excellent thermal insulation properties and are commonly used in high-temperature applications such as furnaces, kilns, and industrial boilers. While they are highly resistant to heat and can withstand extreme temperatures, their resistance to nitrogen oxides (NOx) may vary depending on the specific composition and manufacturing process of the bricks. Nitrogen oxides are a group of harmful gases that are produced during combustion processes, particularly at high temperatures. These gases can have detrimental effects on human health and the environment. Although insulating fire bricks have a high melting point and can withstand intense heat, they may not provide sufficient resistance to nitrogen oxides on their own. To enhance the resistance of insulating fire bricks to nitrogen oxides, additional measures and coatings may be required. These could include the use of specialized refractory coatings or the incorporation of specific additives during the manufacturing process to create a more chemically resistant brick. It is important to note that the resistance of insulating fire bricks to nitrogen oxides may also depend on the specific application and operating conditions. Different types of nitrogen oxides, such as nitrogen dioxide (NO2) or nitric oxide (NO), may have different effects on the bricks. Therefore, it is recommended to consult the manufacturer or a specialist in refractory materials to determine the suitability of insulating fire bricks in a specific environment where the presence of nitrogen oxides is a concern.
- Q: How do insulating fire bricks affect the overall energy consumption of a building?
- Insulating fire bricks can significantly reduce the overall energy consumption of a building by providing better insulation. These bricks have low thermal conductivity, which means they are effective in preventing heat transfer through walls and other surfaces. By minimizing heat loss during cold weather and heat gain during hot weather, insulating fire bricks help maintain a stable indoor temperature, reducing the need for heating and cooling systems. This results in lower energy usage and cost savings for the building's occupants.
- Q: Can insulating fire bricks be used for flooring insulation?
- Insulating fire bricks are primarily designed for high-temperature applications such as kilns, furnaces, and fireplaces. While they can provide excellent thermal insulation, they may not be the best choice for flooring insulation. Insulating fire bricks are typically softer and less durable compared to other flooring materials, which can make them susceptible to damage from foot traffic. Additionally, they may not provide sufficient support and stability for the floor, especially in high-traffic areas. For flooring insulation, it is generally recommended to use materials specifically designed for this purpose, such as foam boards, cork, or rubber underlayments. These materials are more resilient, durable, and better suited to withstand the demands of flooring applications. They also offer better noise reduction and moisture resistance, which are important considerations for flooring insulation.
- Q: Can insulating fire bricks be used as insulation for pizza ovens?
- Indeed, insulation for pizza ovens can be achieved by utilizing insulating fire bricks. Designed to endure high temperatures and offer remarkable thermal insulation, these bricks possess a low thermal conductivity property, enabling them to efficiently retain heat and inhibit its escape from the oven. Consequently, this aids in upholding a steady and elevated temperature within the pizza oven, facilitating even cooking and achieving crispy crusts. Furthermore, insulating fire bricks are lightweight and simple to install, rendering them a favored option for insulating pizza ovens.
- Q: Can insulating fire bricks be used in the construction of boilers for steam generation?
- Indeed, insulating fire bricks possess the capability to be employed in the manufacturing process of steam-generating boilers. These bricks are purposefully engineered to possess a meager thermal conductivity, thereby mitigating heat dissipation and enhancing the boiler's overall energy efficiency. In practice, they are frequently utilized in the construction of boiler partitions, bases, and furnace linings, given their ability to endure extreme temperatures and bestow remarkable insulation attributes. The integration of insulating fire bricks in boiler construction ensures that the heat generated from fuel combustion is efficiently contained and transferred to the water, culminating in proficient steam generation.
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Insulating Fire Brick - Refractory Mullite GJM26
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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