Refractory Mullite Insulating Fire Brick GJM23
- 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 residential applications, such as fireplaces or ovens?
- Yes, insulating fire bricks can be used in residential applications such as fireplaces or ovens. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in these applications. They help retain heat, improve energy efficiency, and enhance safety by preventing heat transfer to surrounding structures.
- Q:What are the different types of insulating fire bricks available?
- There are various types of insulating fire bricks available, each possessing unique characteristics and applications. Some of the most common types are: 1. Lightweight Insulating Fire Bricks (IFBs): These bricks consist of lightweight materials, such as expanded clay, perlite, or vermiculite, blended with a binder to create a porous structure. They offer exceptional insulation properties and find wide usage in applications where maintaining high temperatures is crucial, like in kilns or furnaces. 2. Mullite Insulating Fire Bricks: Mullite bricks are composed of a combination of alumina and silica, resulting in a material resistant to high temperatures. These bricks exhibit excellent thermal shock resistance and are frequently utilized in applications involving rapid heating and cooling cycles, such as in glass manufacturing or incinerators. 3. Alumina Insulating Fire Bricks: As the name suggests, these bricks are primarily made from alumina, which is highly resistant to high temperatures. They possess excellent thermal conductivity and are commonly employed in industries where maintaining high temperatures is essential, such as the iron and steel industry or ceramics production. 4. Silica Insulating Fire Bricks: Silica bricks are mainly composed of silica, a heat-resistant material. They exhibit exceptional thermal insulation properties and are commonly used in applications where maintaining high temperatures is necessary, like in the construction of kilns or furnaces. 5. Calcium Silicate Insulating Fire Bricks: These bricks are created by combining calcium silicate with other insulating materials. They possess excellent thermal insulation properties and are often employed in industries where maintaining high temperatures is crucial, such as the petrochemical industry or power plants. Ultimately, the choice of insulating fire brick depends on the specific requirements of the application, including temperature resistance, thermal conductivity, and thermal shock resistance. It is vital to select the appropriate type of insulating fire brick to ensure optimal performance and safety.
- Q:Can insulating fire bricks be used in carbon black reactors?
- Yes, insulating fire bricks can be used in carbon black reactors. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, which makes them suitable for use in carbon black reactors that operate at extreme temperatures.
- Q:How do insulating fire bricks handle moisture?
- Insulating fire bricks are designed to handle moisture quite effectively. They have low porosity and are made of materials that are resistant to water absorption. This allows them to retain their structural integrity even when exposed to moisture or high humidity levels. Additionally, their insulating properties are not significantly affected by moisture, making them suitable for various applications where moisture resistance is required.
- Q:Can insulating fire bricks be used in chimney construction?
- Indeed, insulating fire bricks have the capability to be utilized in the construction of chimneys. These bricks are specifically designed to possess a low thermal conductivity, which ultimately leads to their effectiveness in minimizing heat transfer. As a result, they prove themselves suitable for chimney construction as they aid in maintaining cooler chimney walls and preventing excessive heat from being transmitted to the surrounding structures. Moreover, apart from their lightweight nature, insulating fire bricks possess commendable insulation properties, thereby making their handling and installation in chimney construction a much simpler task. However, it is imperative to acknowledge that in order to comply with safety regulations and ensure proper chimney construction, it is crucial to utilize insulating fire bricks in conjunction with other fire-resistant materials.
- Q:Do insulating fire bricks have a high fire resistance rating?
- Insulating fire bricks possess an impressive fire resistance rating. These bricks are specifically crafted to endure elevated temperatures while providing exceptional insulation against heat transfer. They are composed of high-purity refractory materials, namely alumina and silica, which possess a high melting point and can withstand extreme heat. With the ability to endure temperatures reaching 3000°F (1650°C), insulating fire bricks exhibit significantly lower thermal conductivity compared to ordinary bricks or alternative materials. This renders them highly suitable for applications necessitating strong fire resistance, such as industrial furnaces, kilns, fireplaces, and chimneys. Moreover, their insulating properties aid in reducing heat loss, thereby promoting energy efficiency and cost-effectiveness.
- Q:Can insulating fire bricks be used as insulation in walls and roofs?
- Insulation in walls and roofs can be achieved by utilizing insulating fire bricks. These bricks are constructed from lightweight materials that possess exceptional thermal insulation properties. Their thermal conductivity is low, allowing them to effectively minimize heat transfer through walls and roofs. Consequently, they are a fitting selection for enhancing energy efficiency and insulating buildings. Furthermore, insulating fire bricks are both long-lasting and fire-resistant, rendering them a secure choice for insulation. Nevertheless, it is crucial to acknowledge that these bricks are typically employed in high-temperature environments such as furnaces and kilns. Thus, they might not be the most economical or practical option for all wall and roof insulation requirements. In terms of cost, installation ease, and overall performance, other insulation materials specifically designed for building applications may be more appropriate.
- Q:Can insulating fire bricks be used in the construction of flue liners?
- Yes, insulating fire bricks can be used in the construction of flue liners. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties. These bricks are made from lightweight materials such as vermiculite or perlite, which have low thermal conductivity. This makes them ideal for lining flues, as they can help to retain heat and improve the efficiency of the flue system. Additionally, insulating fire bricks are resistant to thermal shock and can withstand rapid temperature changes, which is important in flue applications where the temperatures can fluctuate significantly. Overall, using insulating fire bricks in the construction of flue liners can help to enhance the performance and safety of the flue system.
- Q:What is the price of thermal insulation brick for exterior wall?
- But also depends on how your drawings are made, so as to quote a specific price. There is also the price of each place is not the same, so the quotation will be different.
- Q:Can insulating fire bricks be used in pizza ovens or outdoor grills?
- Yes, insulating fire bricks can definitely be used in pizza ovens or outdoor grills. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for use in applications that require intense heat, such as pizza ovens or grills. By using insulating fire bricks, you can ensure that the heat is evenly distributed and retained within the cooking area, resulting in a more efficient cooking process and better-tasting food. Additionally, these bricks are durable and resistant to thermal shock, meaning they can withstand repeated exposure to extreme temperatures without cracking or deteriorating. Therefore, using insulating fire bricks in pizza ovens or outdoor grills is a great choice for achieving optimal heat retention and cooking performance.
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Refractory Mullite Insulating Fire Brick GJM23
- 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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