Insulating Fire Brick SK34 High Alumina Refractory Brick for Furnace Liner
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0.01
- Supply Capability:
- 2000 m.t/month
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Refractory Brick
CMAX firebricks are classified under temperature between 1300℃ to 1700℃, 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
Features
1.low creep deformation
2.huge heat capacity
3.great refractoriness
4.thermal shock resistance
Application
1.Carbon bake furnaces in the aluminum industry
2.Preheat zones and cyclones of rotary cement kilns
3.insulation for glass tanks
4.Coke ovens
5.Blast furnaces
6.Reheating furnaces
7.Suspended roofs
8.Lime kilns
9.Chimney
10.BBQ/Pizza Ovens
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: What are the different types of insulating fire bricks available in the market?
- In the market, one can find a variety of insulating fire bricks. Some of the frequently encountered types are as follows: 1. Lightweight Fire Bricks: These bricks are crafted from lightweight and porous materials like expanded clay, vermiculite, or perlite. They possess exceptional insulation properties and are commonly utilized in scenarios where weight is a critical factor, such as lining kiln or furnace walls. 2. Ceramic Fiber Bricks: These bricks are formed by compressing and shaping ceramic fibers. They exhibit high insulation properties, low thermal conductivity, and can withstand high temperatures. Ceramic fiber bricks are frequently employed in applications that demand insulation in high-temperature environments, such as constructing industrial furnaces or ovens. 3. Calcium Silicate Bricks: These bricks are produced from a combination of lime, silica, and reinforcing fibers. They possess favorable thermal insulation properties and are resistant to thermal shock. Calcium silicate bricks are commonly employed in situations where high-temperature insulation is necessary, such as building boilers or incinerators. 4. Magnesia Bricks: These bricks are composed of highly refractory magnesium oxide. They possess excellent thermal insulation properties and can endure extremely high temperatures. Magnesia bricks are often used in environments requiring insulation at high temperatures, such as lining steel-making furnaces or glass melting tanks. 5. Vermiculite Bricks: These bricks are made from naturally occurring expanded vermiculite. They exhibit good insulation properties, low thermal conductivity, and resistance to high temperatures. Vermiculite bricks are commonly used in applications that necessitate lightweight insulation, such as constructing chimneys or fireplace surrounds. In conclusion, the selection of insulating fire bricks depends on specific requirements like desired insulation level, temperature resistance, and weight considerations for the particular application.
- Q: Do insulating fire bricks have low thermal conductivity?
- Insulating fire bricks possess a low thermal conductivity, ensuring minimal heat loss and outstanding insulation capabilities. Their composition, usually incorporating lightweight elements like clay, silica, and alumina, accounts for their reduced thermal conductivity. Consequently, these materials are inefficient at transferring heat. Consequently, insulating fire bricks effectively curtail heat transfer, thus preserving elevated temperatures within a structure. Hence, they are an excellent choice for high-temperature insulation needs, exemplified by their suitability for kilns, furnaces, and fireplaces.
- Q: Are insulating fire bricks suitable for use in carbon black furnaces?
- Insulating fire bricks, made from refractory materials with excellent insulation properties, are well-suited for carbon black furnaces. These furnaces, operating at temperatures exceeding 1,000 degrees Celsius, benefit from the use of insulating fire bricks by reducing heat loss and improving energy efficiency. The bricks' thermal shock resistance is crucial for the cyclic heating and cooling within the furnace. Furthermore, their low thermal conductivity helps maintain a stable temperature inside the furnace and prevents excessive heat loss. In conclusion, insulating fire bricks provide a dependable and efficient lining option for carbon black furnaces.
- Q: Can insulating fire bricks be used in the construction of flue gas ducts?
- Yes, insulating fire bricks can be used in the construction of flue gas ducts. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. This makes them a suitable choice for lining flue gas ducts, as they can help to reduce heat loss and improve energy efficiency. Additionally, insulating fire bricks are resistant to chemical corrosion and can withstand the corrosive effects of flue gases. However, it is important to ensure that the insulating fire bricks used are specifically designed for flue gas duct applications and meet the necessary safety and regulatory requirements. Consulting with a professional engineer or specialist in the field is recommended to ensure the correct selection and installation of insulating fire bricks in flue gas ducts.
- Q: Do insulating fire bricks have a high resistance to spalling?
- Yes, insulating fire bricks have a high resistance to spalling.
- Q: Are insulating fire bricks suitable for insulation in chemical reactors?
- Due to their exceptional thermal properties and resistance to high temperatures, insulating fire bricks are commonly employed for insulation in chemical reactors. These bricks, which are manufactured from lightweight refractory materials like alumina, silica, and other minerals, effectively impede heat transfer and provide insulation. Furthermore, they possess low thermal conductivity and high heat capacity, enabling them to minimize heat loss and maintain consistent temperatures within the reactor. Chemical reactors often operate at elevated temperatures and may contain corrosive or reactive substances. Insulating fire bricks can withstand these harsh conditions and safeguard the reactor against external heat sources. They are chemically inert and corrosion-resistant, making them suitable for use with various chemicals and reactants. Additionally, insulating fire bricks exhibit a low thermal expansion coefficient, allowing them to endure thermal cycling without cracking or distorting. This characteristic is crucial in chemical reactors where temperature fluctuations are frequent and can potentially harm the equipment. In conclusion, insulating fire bricks are a popular choice for insulation in chemical reactors due to their thermal insulation properties, resistance to chemicals, and ability to withstand high temperatures and thermal cycling. Their usage aids in enhancing the efficiency and safety of chemical processes by maintaining optimal operating conditions within the reactor.
- Q: What material is good for indoor thermal insulation?
- In the north, consider the polystyrene board system. You say polyurethane, Extrusion board, glass wool, aluminum silicate, are expensive, and the public construction is OK, and the use of housing is not very good.
- Q: Is it possible to recycle used insulating fire bricks?
- It is indeed feasible to recycle insulating fire bricks that have been used. Insulating fire bricks consist of a range of materials, including alumina, silica, and other refractory materials. These materials can be dismantled and utilized again in the creation of fresh bricks or alternative refractory products. The recycling of used insulating fire bricks aids in the reduction of the need for fresh raw materials and the mitigation of waste. Nevertheless, it is crucial to acknowledge that not all recycling centers or facilities may accept insulating fire bricks. It is therefore advisable to verify with local recycling programs or specialized recycling companies that handle refractory materials.
- Q: Can insulating fire bricks be used in fireplaces?
- Fireplaces can indeed utilize insulating fire bricks. These bricks are specifically designed to endure high temperatures and offer exceptional insulation, rendering them suitable for fireplace use. They are capable of enduring temperatures up to 3000°F (1650°C), which falls comfortably within the operational range of most fireplaces. Constructed from specialized materials with low thermal conductivity, these bricks retain heat and prevent its escape from the fireplace. This insulation characteristic enhances fireplace efficiency by confining heat within the firebox and restraining dissipation into the surrounding space. Additionally, insulating fire bricks are favored in fireplace construction or renovation endeavors due to their lightweight, durability, and ease of installation.
- Q: Can insulating fire bricks be used in high-temperature ducts?
- Insulating fire bricks can indeed be used in high-temperature ducts. These bricks are specially designed to withstand extreme temperatures, making them an ideal choice for applications where heat retention and insulation are crucial. With their low thermal conductivity and high resistance to thermal shock, insulating fire bricks can effectively trap heat within the ducts, preventing any loss of energy and ensuring efficient heat transfer. Additionally, their lightweight nature makes them easy to install and handle, while their durability allows them to withstand the harsh conditions of high-temperature environments. Overall, insulating fire bricks are a reliable and effective solution for insulating high-temperature ducts.
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Insulating Fire Brick SK34 High Alumina Refractory Brick for Furnace Liner
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0.01
- Supply Capability:
- 2000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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