Light Weight Insulating Firebrick for Industry Kilns, Insulation Brick 2300F,2600F,2800F,3000F
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 m.t./month
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Insulating firebrick
Insulating firebrick gains typical advantages including low thermal conductivity,fine thermal shock resistance,low heat containment and low iron content,meanwhile,the outstanding mechanical flexibility,coupled with high insulating efficiency expands the extensive applications of IFB in a variety of industrial markets.Our insulating firebrick is manufactured from high-grade refractory powder and materials in good purity.During the process of production,organic and multiple filling materials are injected according to the required proportion,the brick is compressed in vacuum and sintered under high temperature.
Features
Low thermal conductivity
High purity and low iron content
Good thermal resistance with direct access to fire
Superior thermal shock resistance
Accurate dimension and easy cutting
Typical Applications
Cracking furnace
Conversion furnace
Heating equipment
Refining equipment
Reproduction equipment
Hot blast stove
Description | Grade 23 | Grade 26 | Grade 28 | Grade 30 | |
Classification Temperature | 1300C/2372F | 1400C/2552F | 1500C/2732F | 1550C/2822F | |
Density(kg/m3) | 600 | 800 | 900 | 1000 | |
Cold Crushing Strength (MPa) | 1.2 | 1.8 | 2.5 | 3.3 | |
Modulus of Rupture(MPa) | 1.0 | 1.7 | 2.3 | 3.1 | |
Permanent Linear Change (%)x24hrs | ≤0.6 | ≤0.6 | ≤0.8 | ≤0.9 | |
Thermal Expansion (%)1000C | 0.5 | 0.52 | 0.52 | 0.53 | |
Thermal Conductivity (W/m.k) | 350C | 0.18 | 0.25 | 0.33 | 0.38 |
400C | 0.20 | 0.29 | 0.35 | 0.40 | |
600C | 0.24 | 0.32 | 0.37 | 0.42 | |
Chemical Composition (%) | Al2O3 | 42 | 56 | 67 | 73 |
SiO2 | 55 | 41 | 30 | 24 | |
Fe2O3 | ≤1 | ≤0.8 | ≤0.7 | ≤0.7 | |
K2O+Na2O | 1.1 | 1.7 | 1.7 | 1.7 | |
FAQ
Q3: Can you offer Door-to-Door delivery?
A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
Q4: What is the minimum quantity?
A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
- Q:Are insulating fire bricks resistant to abrasion or wear?
- Yes, insulating fire bricks are generally resistant to abrasion or wear. These bricks are designed to withstand high temperatures and provide insulation, making them durable and less prone to wear or damage from abrasion.
- Q:Can insulating fire bricks be used in the construction of ceramic tile kilns?
- Yes, insulating fire bricks can be used in the construction of ceramic tile kilns. These bricks are designed to have low thermal conductivity, which helps to retain heat within the kiln. This insulation property is crucial for maintaining high temperatures and consistent firing conditions in ceramic tile kilns. Additionally, insulating fire bricks are lightweight and durable, making them suitable for kiln construction.
- Q:Are insulating fire bricks resistant to metal penetration?
- Yes, insulating fire bricks are resistant to metal penetration. These bricks are designed to have low thermal conductivity and high refractoriness, making them an effective barrier against the penetration of molten metal.
- Q:What is the typical bulk density of an insulating fire brick?
- The average bulk density of an insulating fire brick generally ranges from 0.6 to 1.2 grams per cubic centimeter (g/cm³). Nevertheless, it should be emphasized that the actual bulk density can differ based on the specific composition and manufacturing procedure of the insulating fire brick.
- Q:Are insulating fire bricks resistant to nitrogen oxides?
- Insulating fire bricks are renowned for their exceptional thermal insulation properties and are commonly utilized in high-temperature applications, such as furnaces, kilns, and industrial boilers. Despite their remarkable heat resistance and ability to endure extreme temperatures, their resistance to nitrogen oxides (NOx) can vary based on the bricks' specific composition and manufacturing process. Nitrogen oxides encompass a group of harmful gases generated during combustion processes, particularly at elevated temperatures. These gases can have adverse effects on both human health and the environment. Even though insulating fire bricks possess a high melting point and can endure intense heat, they may not provide adequate resistance to nitrogen oxides independently. To enhance the resistance of insulating fire bricks against nitrogen oxides, additional measures and coatings may be necessary. These measures could involve the application of specialized refractory coatings or the inclusion of specific additives during the manufacturing process to create bricks that are more chemically resistant. It is essential to acknowledge 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 varying effects on the bricks. Therefore, it is advisable to consult the manufacturer or a refractory materials specialist to determine the suitability of insulating fire bricks in a particular environment where the presence of nitrogen oxides is of concern.
- Q:Can insulating fire bricks be used for structural purposes?
- Insulating fire bricks are primarily designed to provide insulation rather than structural support. While they can withstand high temperatures and are resistant to thermal shock, they are not typically intended to bear heavy loads or serve as load-bearing components in structural applications. Insulating fire bricks are more commonly used in situations where thermal insulation is required, such as lining kilns, furnaces, and fireplaces. For structural purposes, it is generally recommended to use refractory bricks or other materials that are specifically engineered to provide strength and durability under load.
- Q:Are there any differences between insulating bricks and refractory bricks?
- As the name suggests, the main role of insulating brick is used to preserve heat and reduce the loss of heat. Such as: Molai S; and the firebrick is mainly used to withstand flame burn.
- Q:Can insulating fire bricks be used in blast furnaces?
- Yes, insulating fire bricks can be used in blast furnaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. Blast furnaces operate at extremely high temperatures, typically around 1500°C (2732°F), and require materials that can withstand these harsh conditions. Insulating fire bricks are made from lightweight materials such as ceramic fibers, which have low thermal conductivity and can effectively retain heat. This makes them ideal for lining the walls and roofs of blast furnaces, as they help to conserve energy, reduce heat loss, and improve overall furnace efficiency. Additionally, insulating fire bricks can also help to protect the structural integrity of the blast furnace by reducing thermal stress and preventing excessive heat transfer to the surrounding environment. Overall, the use of insulating fire bricks in blast furnaces can contribute to improved performance, energy savings, and extended furnace life.
- Q:How do insulating fire bricks affect the overall fire rating of a structure?
- The overall fire rating of a structure is greatly influenced by the use of insulating fire bricks. These bricks are specifically designed to provide effective thermal insulation, thus reducing heat transfer and the risk of fire propagation. Incorporating insulating fire bricks into the construction of walls, ceilings, and floors significantly enhances the structural integrity of the building. The insulating properties of these bricks limit the spread of fire by reducing heat conduction through building materials. This is achieved through the presence of tiny air pockets within the bricks that act as insulating barriers. As a result, the temperature rise on the non-exposed side of the wall or floor is minimized, preventing the rapid spread of fire to other areas of the structure. In addition to their thermal insulation capabilities, insulating fire bricks are also highly resistant to high temperatures. This allows them to maintain their structural integrity even when exposed to intense heat, making them highly resistant to fire damage. Using these bricks in critical areas such as fire-rated walls, doors, and fireplaces significantly improves the overall fire rating of a structure. Furthermore, insulating fire bricks offer additional benefits such as soundproofing, energy efficiency, and durability. They reduce sound transmission, creating a quieter environment inside the structure. Their excellent insulation properties also minimize heat loss or gain, resulting in lower heating and cooling costs. Additionally, their resistance to thermal shock and chemical corrosion ensures a long-lasting and reliable fire barrier. To conclude, insulating fire bricks play a crucial role in enhancing the overall fire rating of a structure. Their exceptional thermal insulation properties and ability to withstand high temperatures contribute to preventing the rapid spread of fire and minimizing fire damage. Incorporating these bricks into the construction of walls, ceilings, and floors significantly improves the fire safety of a building, providing occupants with valuable evacuation time and minimizing property loss.
- Q:Can insulating fire bricks be used in ladles and tundishes?
- Yes, insulating fire bricks can be used in ladles and tundishes. Insulating fire bricks are designed to provide high-temperature insulation and thermal stability, making them suitable for applications where heat retention is important. Ladles and tundishes are used in the steel and foundry industries to transport and pour molten metal, and the use of insulating fire bricks in these vessels can help to minimize heat loss and maintain the desired temperature of the metal. Additionally, insulating fire bricks can resist thermal shock and chemical corrosion, which are common challenges in these high-temperature environments. Therefore, using insulating fire bricks in ladles and tundishes can improve energy efficiency, reduce heat loss, and enhance the overall performance and longevity of these crucial equipment in the metal processing industry.
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Light Weight Insulating Firebrick for Industry Kilns, Insulation Brick 2300F,2600F,2800F,3000F
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 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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