Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick
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- Loading Port:
- Shanghai
- Payment Terms:
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- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 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 of Insulating 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.
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: Are insulating fire bricks resistant to abrasion or wear?
- Yes, insulating fire bricks are resistant to abrasion or wear. These bricks are made from high-quality refractory materials, such as alumina or silica, which have excellent resistance to abrasion. The manufacturing process involves high-temperature firing, which strengthens the bricks and enhances their durability. Insulating fire bricks are specifically designed to withstand the harsh conditions of high-temperature applications, such as furnaces, kilns, and fireplaces. They are highly resistant to thermal shock, chemical erosion, and mechanical wear. This makes them a reliable choice for insulating and protecting the inner walls of these structures, ensuring long-lasting performance and minimizing the need for frequent replacements.
- Q: Are insulating fire bricks resistant to water penetration?
- Insulating fire bricks exhibit resistance to water penetration. These bricks possess a low porosity and are fabricated from materials that do not readily absorb or retain water. Typically, they consist of lightweight refractory materials like alumina, silica, and other minerals that possess remarkable heat resistance and minimal water absorption capabilities. Consequently, insulating fire bricks are highly suitable for scenarios where water penetration could be detrimental, such as in high-temperature environments or when utilized as insulation in chimneys or kilns. However, it is essential to acknowledge that while these bricks resist water penetration, they are not entirely impervious to it. Prolonged exposure to water may eventually result in some degree of water absorption, which can impact their insulating properties. Therefore, it is prudent to exercise caution and ensure proper installation and maintenance to optimize their resistance against water penetration.
- Q: Can insulating fire bricks be used in sewage treatment plants?
- Indeed, insulating fire bricks can find their application in sewage treatment plants. These bricks are specifically engineered to possess exceptional thermal insulation properties, rendering them suitable for high-temperature scenarios. Within sewage treatment plants, various processes necessitate the utilization of heat, such as anaerobic digestion or sludge incineration. Consequently, insulating fire bricks can be employed to encase the walls, floors, and roofs of incinerators or digesters, thereby facilitating the retention of generated heat and enhancing energy efficiency. Moreover, sewage treatment plants often confront corrosive and abrasive surroundings as a result of the presence of chemicals, acids, and solids within the wastewater. Notably, insulating fire bricks are forged from top-notch refractory materials, boasting resistance against chemical assault and erosion. This characteristic endows them with suitability for lining tanks, pipes, or other equipment that may come into contact with corrosive substances. Furthermore, owing to their lightweight nature, insulating fire bricks prove to be more manageable and straightforward to install in comparison to alternative types of refractory materials. This aspect can be particularly advantageous in sewage treatment plants where the need for frequent maintenance or repairs may arise. All in all, insulating fire bricks stand as a versatile and long-lasting choice for implementation within sewage treatment plants. They offer exceptional thermal insulation, resilience against corrosive environments, and ease of installation.
- Q: Can insulating fire bricks be used in thermal power plants?
- Yes, insulating fire bricks can be used in thermal power plants. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in power plants where heat is generated and thermal efficiency is crucial. They help to reduce heat loss, improve energy efficiency, and maintain a stable and controlled environment within the power plant.
- Q: Can insulating fire bricks be used for insulation in smelters?
- Yes, insulating fire bricks can be used for insulation in smelters. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties, making them suitable for use in smelting operations where heat containment is crucial to optimize energy efficiency and protect the surrounding environment.
- Q: Are insulating fire bricks suitable for use in steel mills?
- Yes, insulating fire bricks are suitable for use in steel mills. Insulating fire bricks have high temperature resistance and excellent thermal insulation properties, making them ideal for lining furnaces and kilns in steel mills. They help to maintain high temperatures while minimizing heat loss, resulting in energy efficiency and cost savings. Additionally, insulating fire bricks also provide protection against thermal shock and chemical corrosion, enhancing the overall durability and longevity of steel mill equipment.
- Q: Are insulating fire bricks resistant to oil or chemical spills?
- Insulating fire bricks lack resistance to oil or chemical spills in general. Their main purpose is to endure high temperatures and offer insulation in various settings, such as furnaces, kilns, and fireplaces. Despite their efficient handling of heat and thermal shock, these bricks are typically composed of materials like clay, alumina, or silica, which do not possess inherent resistance to oil or chemicals. In the event of exposure to oil or chemical spills, these bricks may absorb the substances, potentially resulting in degradation or diminished performance over time. Hence, if oil or chemical resistance is a crucial requirement, it is advisable to explore alternative materials explicitly designed for such applications.
- Q: Can insulating fire bricks be used for chimney lining?
- Yes, insulating fire bricks can be used for chimney lining. Insulating fire bricks are designed to withstand high temperatures and are excellent for insulating chimneys, providing thermal protection and enhancing energy efficiency.
- Q: Can insulating fire bricks be used in chimney liners?
- Yes, insulating fire bricks can be used in chimney liners. They are designed to withstand high temperatures and provide insulation, making them suitable for use in chimneys to improve efficiency and prevent heat loss.
- Q: Can insulating fire bricks be used as a refractory material?
- Yes, insulating fire bricks can be used as a refractory material. Insulating fire bricks are specifically designed to withstand high temperatures and thermal shock, making them suitable for applications that require heat insulation and refractory properties. They have low thermal conductivity, which helps to reduce heat loss and conserve energy. Insulating fire bricks are commonly used in various industries, including steel, glass, ceramics, and petrochemicals, where they are used as lining materials in furnaces, kilns, ovens, and other high-temperature equipment. Their ability to withstand extreme temperatures, coupled with their insulating properties, makes them an excellent choice for refractory applications.
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Insulating Fire Brick - Mullite JM 36 Refractory Insulating Brick
- 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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