High-Temperature Insulating Fire Brick for Fire Resistance

High-Temperature Insulating Fire Brick for Fire Resistance System 1

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
Item	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
Linear Change (%) (2h)	-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: Can insulating fire bricks be used in the construction of boilers?: Yes, insulating fire bricks can be used in the construction of boilers. These bricks have excellent thermal insulation properties, making them suitable for use in high-temperature applications such as boiler construction. They help to reduce heat loss, improve energy efficiency, and enhance the overall performance of the boiler system.

Q: Can insulating fire bricks be used in the construction of pottery ovens?: Insulating fire bricks are suitable for the construction of pottery ovens. They possess exceptional thermal properties, including low thermal conductivity and high heat resistance. These characteristics make them perfect for insulation and heat retention in pottery ovens, facilitating efficient and controlled firing of clay and ceramic materials. Furthermore, their lightweight nature simplifies handling and installation during construction. Ultimately, incorporating insulating fire bricks in pottery ovens ensures consistent and uniform heat distribution, leading to enhanced firing results and energy efficiency.

Q: Can insulating fire bricks be cut to custom sizes?: Yes, insulating fire bricks can be cut to custom sizes. These bricks are made from lightweight materials such as ceramic fibers, which make them easier to shape and cut according to specific requirements.

Q: Are insulating fire bricks resistant to fire damage?: Yes, insulating fire bricks are specifically designed to be resistant to fire damage. They are made from special refractory materials that can withstand extremely high temperatures without deforming or losing their insulating properties. Insulating fire bricks have a high melting point and low thermal conductivity, which allows them to effectively insulate against heat transfer and protect against fire damage. They are commonly used in applications where high temperatures and fire exposure are expected, such as in furnaces, kilns, fireplaces, and industrial processes. Overall, insulating fire bricks are reliable and durable materials that provide excellent protection against fire damage.

Q: Can insulating fire bricks be used for insulation in autoclaves?: Yes, insulating fire bricks can be used for insulation in autoclaves. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in autoclaves where temperature control and insulation are important.

Q: How do insulating fire bricks affect the overall weight capacity of a structure?: The overall weight capacity of a structure can be significantly impacted by insulating fire bricks. These bricks are designed to be lightweight with high thermal insulation properties, unlike traditional dense firebricks. By incorporating insulating fire bricks, the structure's weight is reduced, allowing for more allocation of weight to other components or materials. This proves advantageous in situations where weight restrictions are important, like in aerospace, automotive, or marine applications. Furthermore, the lightweight nature of insulating fire bricks lessens the load on the foundation and supporting structures. This contributes to preventing structural damage and enhancing the safety and durability of the entire structure. Nevertheless, it is important to note that insulating fire bricks, although lighter, might possess slightly lower compressive strength compared to dense firebricks. Consequently, it is crucial to thoroughly consider the specific requirements of the structure and ensure that the chosen insulating fire bricks can endure the anticipated load and stresses. To summarize, insulating fire bricks have a positive impact on the overall weight capacity of a structure by decreasing its weight and lessening the load on supporting structures. However, it is crucial to consider the specific application and select the appropriate insulating fire bricks to ensure structural integrity and safety.

Q: Do insulating fire bricks require any special installation techniques?: Yes, insulating fire bricks do require special installation techniques. These bricks are designed to provide excellent thermal insulation, which means they need to be installed properly to achieve optimal performance. Firstly, it is important to ensure that the installation surface is clean and free from any debris or moisture. This helps to create a strong and stable base for the bricks. Next, a suitable refractory mortar or adhesive should be used to secure the bricks in place. This mortar should be specifically designed for high-temperature applications and should be able to withstand the thermal expansion and contraction that occurs during heating and cooling cycles. During the installation process, it is crucial to pay attention to the joints between the bricks. These joints should be properly filled with mortar to prevent heat loss and maintain the insulating properties of the bricks. Additionally, insulating fire bricks should be carefully stacked and aligned to ensure a tight fit and minimize any gaps between the bricks. This helps to maximize the insulating effect and prevent heat leakage. Finally, it is recommended to consult the manufacturer's guidelines and follow their recommended installation techniques. Each type of insulating fire brick may have specific requirements that need to be followed for proper installation. Overall, insulating fire bricks do require special installation techniques to ensure their effectiveness and longevity. Following proper installation practices will help to enhance the thermal insulation properties of these bricks and optimize their performance.

Q: Can insulating fire bricks be used in the construction of combustion flues?: Yes, insulating fire bricks can be used in the construction of combustion flues. Insulating fire bricks are designed to withstand high temperatures and are often used to line combustion chambers and flues to provide insulation and prevent heat loss. They have excellent thermal properties, making them suitable for this purpose.

Q: Are insulating fire bricks resistant to moisture penetration?: Yes, insulating fire bricks are resistant to moisture penetration. These bricks are designed to have low porosity, which means they have a very low water absorption rate. This characteristic makes them highly resistant to moisture penetration. Insulating fire bricks are commonly used in applications where they are exposed to high temperatures and harsh conditions, such as kilns, furnaces, and fireplaces. Their resistance to moisture penetration ensures their durability and effectiveness in these environments.

Q: Are insulating fire bricks resistant to hydrofluoric acid?: Hydrofluoric acid is a highly corrosive substance capable of attacking and dissolving various materials, including fire bricks, which lack resistance to it. Therefore, it is crucial to exercise utmost caution and employ suitable protective gear while dealing with this hazardous substance.

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