Refractory Bricks Light Weight Thermal Ceramic Mullite Insulation
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0.02
- Supply Capability:
- 2050 m.t/month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Acid Resistant Brick
CMAX firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
Insulation bricks are classified under temperature between 1300ºC and 1700ºC, manufactured from high purity alumina clay by mixing, press-forming, drying, sintering and machining. Bricks contain carefully-graded organic fillers which are burned out during sintering to give a uniform controllable pore structure. This technique makes product feature low thermal conductivity and excellent heat insulation.
Refractory Insulation brick 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, cement and oil fired electric power generating plants.
Features
Light weight and low thermal conductivity allows thinner furnace walls
Maintain stable structural strength throughout ambient to maximum service temperature
Low heat storage results in rapid cooling and heating operation
Low iron and impurities to enhance reducing atmosphere
High thermal shock resistance in preventing spalling
Non standard sizes and shapes are available upon request
Application
Ceramic shuttle kilns
Metal heat treatment furnaces Steel billet reheating furnaces Oil refinery heaters
Laboratory furnaces
Our insulating bricks mainly include fireclay insulating brick, high alumina insulating brick, mullite insulating brick etc.
Data Sheet
Classification Temperature (℉/℃) | 3000/1650 |
Bulk Density (g/cm3 ) | ≤1.0 |
Thermal Conductivity | |
800℃, W/m.K | ≤0.39 |
1000℃, W/m.K | ≤0.43 |
1200℃, W/m.K | ≤0.48 |
Reheating Linear Change (%) | 1550℃×12h |
≤0.9 | |
Chemical Composition (%) | |
Al2O3 | ≥75 |
Fe2O3 | ≤0.5 |
Packaging & Shipping
Packaging Details:Be packed in fumigated wooden pallets
Delivery Detail: 30 days after order
Our Services
Optimum solution and product supply of refractories for high temperature industries, such as iron steel, non-ferrous, petrochemical and building materials.
Engineering design, contract and consult for refractories, and civil architecture design.
Research, development, manufacture and sale of superhard materials.
R&D, manufacture and sale of special packing materials for export.
Inspection, supervision and arbitration of refractories.
Consultation and services in refractories information.
Training and cultivation of high-level talents in refractories profession
Sales Network
Company Information
CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in integrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.
FAQ
1. Which products do you have?
We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.
2. Can you give me a brief introduction of the application of your products?
We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.
3. If I need your offer, what information do you need?
In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc. If any question, please contact us freely.
- Q:Can insulating fire bricks be cut or shaped to fit specific applications?
- Yes, insulating fire bricks can be cut or shaped to fit specific applications. They are often made of soft and porous materials, such as ceramic fiber or lightweight refractory materials, which can be easily cut using common tools like saws or knives. This flexibility allows for customization and fitting into various shapes and sizes to meet specific requirements in different applications.
- Q:Do insulating fire bricks require any special sealing or caulking?
- Insulating fire bricks generally do not require any special sealing or caulking. These bricks are designed to have low thermal conductivity, which means they already provide good insulation on their own. However, in certain specific applications or when exposed to extreme temperatures, some sealing or caulking may be necessary to ensure optimal performance and prevent any heat loss or damage. It is recommended to consult the manufacturer's guidelines or a professional for specific sealing requirements in such cases.
- Q:Do insulating fire bricks expand and contract with temperature changes?
- Yes, insulating fire bricks do expand and contract with temperature changes.
- 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:What is the typical thermal diffusivity of an insulating fire brick?
- The typical thermal diffusivity of an insulating fire brick is around 0.1 to 0.5 mm²/s.
- Q:Do insulating fire bricks have a high fireproof rating?
- Yes, insulating fire bricks have a high fireproof rating. They are designed to withstand high temperatures and provide excellent insulation, making them ideal for applications where fire resistance is necessary.
- Q:Do insulating fire bricks require any special storage conditions?
- Insulating fire bricks do not require any special storage conditions. These bricks are designed to withstand high temperatures and are typically made from materials such as clay or silica that are resistant to heat. However, it is always recommended to store insulating fire bricks in a dry and covered area to prevent any moisture absorption or damage. Additionally, it is important to handle these bricks with care to avoid any breakages or cracks that may affect their insulation properties. Overall, as long as the bricks are stored in a dry and protected environment, there are no specific special storage conditions required for insulating fire bricks.
- Q:Can insulating fire bricks be used in waste incineration plants?
- Yes, insulating fire bricks can be used in waste incineration plants. These bricks are designed to withstand high temperatures, making them suitable for lining the combustion chambers and other areas where intense heat is generated in waste incinerators. Additionally, their insulating properties help to reduce heat loss and increase energy efficiency in the incineration process.
- Q:Can insulating fire bricks be used in hydrogen furnaces?
- Insulating fire bricks possess the capability to be utilized in hydrogen furnaces, although it is imperative to acknowledge that not all variants of insulating fire bricks are suitable for this particular purpose. Due to the highly reactive nature of hydrogen gas, certain materials can deteriorate or react, thereby giving rise to concerns regarding safety and potential harm to the furnace. When making a selection of insulating fire bricks for employment in hydrogen furnaces, it becomes crucial to opt for bricks that are explicitly designed for environments characterized by high temperatures and corrosive conditions. These bricks ought to be constructed from materials that exhibit resistance against hydrogen embrittlement and possess a low reactivity with hydrogen. Silicon carbide (SiC) and alumina-silica (Al2O3-SiO2) are frequently utilized materials for insulating fire bricks within hydrogen furnaces. These materials boast remarkable resistance to elevated temperatures and remain chemically stable when exposed to hydrogen. Moreover, it is of utmost importance to take into account the density and porosity of the insulating fire bricks. For hydrogen furnaces, it is preferable to employ bricks with low density and high porosity, as they offer enhanced thermal insulation and diminish the likelihood of hydrogen leakage. In conclusion, while insulating fire bricks can be employed in hydrogen furnaces, it is crucial to meticulously select the appropriate type of bricks that are specifically engineered for high-temperature and corrosive environments, and exhibit commendable resistance against hydrogen embrittlement and reactivity. Seeking consultation from specialists in the field and adhering to the guidelines provided by the manufacturer is highly recommended to ensure the safe and efficient operation of the hydrogen furnace.
- Q:Can insulating fire bricks be used in ladles and tundishes?
- Insulating fire bricks prove to be suitable for ladles and tundishes as they are specifically designed to offer high-temperature insulation and thermal stability. These bricks are essential in applications where heat retention plays a pivotal role. Ladles and tundishes are extensively utilized in the steel and foundry sectors for the transportation and pouring of molten metal. By utilizing insulating fire bricks in these vessels, one can effectively minimize heat loss and maintain the desired temperature of the metal. Moreover, these bricks exhibit resilience towards thermal shock and chemical corrosion, which are common obstacles in such extreme temperature environments. Consequently, the utilization of insulating fire bricks in ladles and tundishes ultimately enhances energy efficiency, reduces heat loss, and improves the overall performance and lifespan of these vital pieces of equipment in the metal processing industry.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Refractory Bricks Light Weight Thermal Ceramic Mullite Insulation
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0.02
- Supply Capability:
- 2050 m.t/month
OKorder Service Pledge
OKorder Financial Service
Similar products
New products
Hot products
Related keywords
