Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- 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.
Feature
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
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..
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:Do insulating fire bricks emit any toxic fumes when heated?
- Insulating fire bricks, also known as refractory bricks, are designed to withstand high temperatures and are commonly used in applications such as furnaces and kilns. These bricks are made of materials that have a low thermal conductivity, meaning they do not transfer heat easily. When heated, insulating fire bricks do not emit any toxic fumes. This is because they are typically made from non-toxic materials such as clay or silica. These materials are chemically stable and do not release any harmful gases or substances when exposed to high temperatures. It is important to note that while insulating fire bricks themselves do not emit toxic fumes, the substances being heated inside the furnace or kiln may produce fumes or gases that could be hazardous to health. It is essential to properly ventilate the area and follow safety guidelines when working with any materials that may release toxic fumes during the heating process. In summary, insulating fire bricks do not emit any toxic fumes when heated as they are made from non-toxic materials. However, it is crucial to ensure proper ventilation and follow safety precautions when working with any materials that may release hazardous fumes.
- Q:Can insulating fire bricks be used in the construction of thermal storage units?
- Yes, insulating fire bricks can be used in the construction of thermal storage units. Insulating fire bricks are specifically designed to have high insulation properties, making them an ideal choice for thermal storage units. These bricks are made from lightweight materials with low thermal conductivity, allowing them to retain heat for extended periods of time. Thermal storage units are used to store and release heat energy when needed. The insulating fire bricks help to minimize heat loss from the stored energy, ensuring efficient and effective thermal storage. Their high insulation properties allow for better heat retention, reducing the need for constant heating or cooling. Additionally, insulating fire bricks are durable and can withstand high temperatures, making them suitable for the construction of thermal storage units. They can handle the thermal stresses and temperature fluctuations that occur during the heating and cooling cycles of the unit, ensuring its longevity and reliability. Overall, insulating fire bricks are a suitable and beneficial choice for the construction of thermal storage units due to their high insulation properties, durability, and ability to withstand high temperatures.
- Q:Can insulating fire bricks be used in the construction of smelting crucibles?
- Certainly, one can utilize insulating fire bricks in the construction of smelting crucibles. These bricks have been specifically designed to endure high temperatures and offer exceptional insulation. They find wide usage in various applications that demand heat retention and protection, such as kilns and furnaces. Smelting crucibles, which are employed for the purpose of melting and refining metals, also necessitate materials capable of withstanding extreme temperatures. Insulating fire bricks prove to be an ideal selection for constructing smelting crucibles due to their ability to sustain a consistent temperature within the crucible and prevent heat loss. Furthermore, their insulating properties contribute to reduced energy consumption and heightened efficiency in the smelting process.
- Q:Is it possible to recycle broken insulating fire bricks?
- Yes, it is possible to recycle broken insulating fire bricks. These bricks can be crushed and used as aggregate in the production of new bricks or other construction materials. Additionally, they can be ground into a fine powder and used as a raw material in the manufacturing of refractory products. Recycling broken insulating fire bricks helps reduce waste and conserve resources.
- Q:Difference between inorganic insulation material and organic thermal insulation material
- Manufacturing distinction:1, organic insulation materials mainly from petroleum products, including foam polystyrene board (EPS), extruded polystyrene board (XPS), spray polyurethane (SPU) and polystyrene particles. From a nationwide perspective, the organic exterior wall insulation system occupies more than 75% of the current external thermal insulation Market in our country.2, inorganic heat preservation material including expanded perlite, hollow glass beads, rock wool, mineral wool, perlite, glass wool and lightweight block self insulation system, mainly based on inorganic materials such as stone, glass, industrial waste and so on. As the state attaches importance to and requirements of the fire protection safety standards for wall materials, the market share of inorganic thermal insulation materials will be greatly improved.
- Q:Can insulating fire bricks be used for insulation in foundries?
- Yes, insulating fire bricks can be used for insulation in foundries. Insulating fire bricks are specifically designed to have high thermal resistance and low thermal conductivity, making them ideal for applications where insulation is required. In foundries, where high temperatures are involved, insulating fire bricks can be used to line the walls, floors, and roofs to reduce heat loss and improve energy efficiency. They can also help to maintain a uniform temperature throughout the foundry, ensuring consistent heat distribution and preventing heat loss to the surroundings. Additionally, insulating fire bricks are lightweight and easy to install, making them a practical choice for insulation in foundries.
- Q:Are insulating fire bricks resistant to acid attack?
- Insulating fire bricks are known for their resistance to acid attack. They are manufactured using durable materials that can withstand high temperatures and offer excellent insulation properties. These bricks are typically composed of lightweight refractory materials like alumina, silica, and other refractory oxides, which are renowned for their ability to resist chemical corrosion, including acids. Nevertheless, it is crucial to acknowledge that the acid resistance of insulating fire bricks can vary depending on their specific composition and manufacturing process. Some bricks may exhibit higher resistance to acids than others. Therefore, it is advisable to consult the manufacturer or supplier for detailed information regarding the acid resistance of their insulating fire bricks. Generally, insulating fire bricks are widely used in various applications where they may encounter acids, such as industrial furnaces, kilns, and high-temperature environments. They are valued for their durability and capacity to withstand harsh chemical surroundings, including acid exposure. However, it is always essential to consider the precise chemical composition and concentration of the acids involved, as well as the temperature conditions, to determine the suitability of insulating fire bricks for a particular application.
- Q:Do insulating fire bricks require any maintenance?
- Yes, insulating fire bricks typically require minimal maintenance. They are designed to be durable and withstand high temperatures, so they generally do not need any special care or regular maintenance. However, it is important to inspect them periodically for any signs of damage or wear and tear, and if any issues are identified, they should be repaired or replaced to ensure their effective insulation properties.
- Q:Are insulating fire bricks resistant to abrasion or erosion?
- Insulating fire bricks lack resistance to abrasion or erosion in general. Despite their exceptional heat insulation properties, they are typically constructed from materials that are not intended for enduring high levels of deterioration. Insulating fire bricks are commonly employed in scenarios that do not involve substantial mechanical forces or abrasive substances. If worries about abrasion or erosion arise, it may be more appropriate to consider an alternative refractory material or lining for the particular application.
- Q:Is the building built of cement hollow board safe?
- According to the use of building housing, before the use of cement hollow plate, it is necessary to predict the bearing capacity of housing, if more than the cement hollow plate bearing indicators, it is not available, it is unsafe;
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 42
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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