• High-Temperature Insulating Fire Brick for Fire Resistance System 1
  • High-Temperature Insulating Fire Brick for Fire Resistance System 2
  • High-Temperature Insulating Fire Brick for Fire Resistance System 3
High-Temperature Insulating Fire Brick for Fire Resistance

High-Temperature Insulating Fire Brick for Fire Resistance

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000000 m.t./month

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nsulating Firebrick is made of high grade bauxite through high temperature calcinations. High alumina brick is a kind of neutral refractory material so that it enjoys excellent resistance

to acid and alkali corrosion. It has characteristic of high refractoriness under load, which decide high alumina brick is a n ideal material for various kinds of industrial furnace. It is widely

used in building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.

characteristics: 1 Excellent thermal stability
                       2 High refractoriness under load
                       3 Chemical stability and anti-corrision
                       4 Small high temperature creep rate
                       5 Excellent thermal shock resistance

Typical Application: 1 Building materials for blast furnace
                     2 Building materials for hot-blast stove
                     3 Building materials for coke oven
                     4 Building materials for steel making furnace

                     5 Kiln car building
                     6 For ladle 

Product Type: fireclay brick (SK 32, SK 34)
             high alumina brick (sk 35-38)

Package: pallet, thermal shrinkage package

 

  Technical Data

 

Item

Fireclay Brick

High Alumina Brick


SK32

SK34

SK35

SK36

SK37

SK38


Al2O3  (%)  ≥

38

42

48

55

65

75


Refractoriness (oC) ≥

1670

1730

1750

1770

1790

1810


Refractoriness under Load (oC) ≥

1250

1300

1420

1470

1500

1520


Linear Change (%)

(2h)

1350 oC

1350 oC

1450 oC

1500 oC

1500 oC

1500 oC


-0.5

-0.5

-0.4-+0.1

-0.4-+0.1

-0.4-+0.1

-0.4-+0.1


Porosity (%) ≤

26

26

22

22

23

23


Cold Crushing Strength, MPa ≥

15

20

39.2

44.1

49

53.9



FIRE High Temperature Refractory Insulating Firebrick

 

FAQ

Q1: How do you control the products quality?

A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.

From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis

 

Q2: What`s the lead time for my order?

A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.

 

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.

 

Q5: Can you give me a brief introduction of the application of your products?

A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.



Q: Are insulating fire bricks suitable for use in coke ovens?
Yes, insulating fire bricks are suitable for use in coke ovens. These bricks are designed to withstand high temperatures and provide excellent insulation properties, making them ideal for use in coke ovens where extreme heat is generated during the coking process. They help to maintain the desired temperature inside the oven and prevent heat loss, resulting in improved energy efficiency and reduced fuel consumption. Additionally, insulating fire bricks have good resistance to chemical reactions and thermal shock, which further enhances their suitability for use in coke ovens.
Q: Can insulating fire bricks be used in the construction of thermal insulation floors?
Insulating fire bricks are indeed suitable for the construction of thermal insulation floors. These bricks are specifically designed to possess low thermal conductivity, enabling them to effectively impede heat transfer. Consequently, they are an excellent selection for thermal insulation purposes, including floors. The utilization of insulating fire bricks in the construction of thermal insulation floors can greatly decrease heat loss from the floor, resulting in enhanced energy efficiency and cost savings. Furthermore, these bricks are lightweight and easy to install, making them a practical option for construction projects. All in all, insulating fire bricks offer a suitable and effective means of incorporating thermal insulation into floors.
Q: Do insulating fire bricks require regular maintenance?
Insulating fire bricks are engineered to endure high temperatures and resist deterioration, thereby obviating the need for routine upkeep. Crafted from robust materials with exceptional insulating capabilities, they are impervious to wear and tear. Nevertheless, a periodic examination to detect any cracks, chips, or indications of impairment is imperative. In the event that damage is discovered, immediate repairs are essential to guarantee the bricks' optimal functionality. Moreover, regular cleansing of the bricks aids in the elimination of debris or residue accumulation, which can impede their insulating qualities. In summary, although infrequent maintenance is required for insulating fire bricks, periodic inspections and intermittent cleansing are advised to uphold their durability and efficacy.
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: What are the main components of insulating fire bricks?
Insulating fire bricks usually consist of a blend of alumina, silica, and assorted lightweight additives. Alumina (Al2O3) is crucial in insulating fire bricks due to its ability to withstand high temperatures and resist thermal shock. Silica (SiO2) contributes to improving the refractory qualities and insulation abilities of the bricks. Furthermore, vermiculite or perlite, which are lightweight additives, are commonly incorporated to enhance the insulating properties of the bricks. The collaboration of these components produces a material that possesses exceptional thermal insulation, minimal thermal conductivity, and remarkable heat resistance.
Q: Do insulating fire bricks require maintenance?
Maintenance is required for insulating fire bricks. Despite their reputation for durability and ability to withstand high temperatures, it is important to regularly maintain them to ensure they perform at their best and last a long time. One crucial aspect of maintenance is periodic cleaning. Over time, insulating fire bricks can collect dust, soot, and other debris, which can impact their insulation properties. It is therefore advisable to clean the bricks regularly to eliminate any build-up. This can be achieved by using a soft brush or a mild cleaning solution. Another vital aspect of maintenance involves checking for any cracks or damages. It is essential to inspect the bricks for signs of wear and tear to identify and address any issues before they worsen. Cracks or damages can compromise the insulation and stability of the bricks, so they should be repaired or replaced as necessary. Additionally, it is important to monitor the condition of the mortar or refractory cement used to hold the insulating fire bricks together. Over time, the mortar can deteriorate due to exposure to heat and other elements. Regularly inspecting and repairing any damaged mortar helps to maintain the structural integrity of the fire bricks. Furthermore, it is crucial to adhere to the manufacturer's instructions and recommendations for the specific type of insulating fire bricks being used. This may involve following guidelines for installation, temperature limits, and any other specific care instructions. In conclusion, while insulating fire bricks are sturdy, regular maintenance is required to ensure they perform optimally and have a long lifespan. Proper cleaning, inspecting for damage, and following the manufacturer's guidelines are essential components of maintaining insulating fire bricks.
Q: Can insulating fire bricks be used as a refractory lining material?
Insulating fire bricks can indeed serve as a refractory lining material. Their purpose is to effectively insulate against heat transfer by having low thermal conductivity. This quality makes them suitable for applications that necessitate the maintenance or control of high temperatures, such as kilns, furnaces, and industrial ovens. High-temperature environments require refractory lining materials to safeguard their structure against the intense heat generated within. These materials must withstand thermal shocks, chemical reactions, and mechanical stresses that occur during operation. Insulating fire bricks are a prime choice for refractory lining applications due to their exceptional thermal insulation properties and high temperature resistance. In addition to being excellent insulators, insulating fire bricks have the added benefit of low density, making them lightweight and easy to handle and install. This advantage proves useful in applications where weight is a concern or where frequent replacement or repair of refractory linings is necessary. It is important to acknowledge that the specific type and composition of insulating fire bricks may vary, and different applications may require different properties. Therefore, it is vital to consult with a refractory engineer or supplier to guarantee that the chosen insulating fire bricks are appropriate for the specific requirements of the application.
Q: Can insulating fire bricks be used in the construction of high-temperature reactors?
Indeed, high-temperature reactors can incorporate insulating fire bricks in their construction. These bricks are explicitly engineered to endure elevated temperatures, rendering them apt for deployment in high-temperature settings like reactors. Their exceptional thermal insulation qualities contribute to minimizing heat loss and upholding the desired temperature within the reactor. Moreover, insulating fire bricks boast remarkable refractoriness, enabling them to endure intense heat without substantial distortion or harm. Hence, they represent an optimal selection for the construction of high-temperature reactors, wherein maintaining a steady and regulated temperature is vital for the reactor's effective operation.
Q: Are there any construction waste materials for composite thermal insulation bricks?
Material production of ordinary light insulating brick clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating refractory brick, diatomite insulating refractory brick.
Q: Can insulating fire bricks be used in thermal oxidizers?
Yes, insulating fire bricks can be used in thermal oxidizers. Insulating fire bricks are designed to have low thermal conductivity, meaning they can effectively reduce heat transfer and conserve energy in high-temperature applications. Thermal oxidizers are devices used to treat industrial exhaust gases by oxidizing pollutants at high temperatures. By using insulating fire bricks in the construction of thermal oxidizers, heat can be contained within the system, ensuring efficient combustion and minimizing heat loss to the surroundings. This not only improves the overall thermal efficiency of the thermal oxidizer but also helps to reduce energy consumption and operating costs. Additionally, insulating fire bricks are highly resistant to thermal shock and have excellent insulating properties, making them suitable for the harsh and demanding conditions typically found in thermal oxidizers.

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