Insulating Fire Brick 65% Al2O3 min High Alumina

Insulating Fire Brick 65% Al2O3 min High Alumina System 1

Insulating Fire Brick 65% Al2O3 min High Alumina System 2

Insulating Fire Brick 65% Al2O3 min High Alumina System 3

Insulating Fire Brick 65% Al2O3 min High Alumina

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 20000 m.t./month

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Insulating Fire Brick 65% Al2O3 min High Alumina

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Common Size Excellent Insulating Effect Fire Clay Brick Used for Heat Treatment Furnace

Description of Insulating Fire Brick

Insulating Fire Brick 65% Al2O3 min High Alumina is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, Insulating Fire Brick is a kind of essential refractory for energy saving and temperature preservation.

This series of High Alumina Insulating Fire Brick are made of selected high alumina bauxite, kaolin caly, hollow microsphere as the mian material. By shaping at high pressure and sintering at high temperature.

Features of Insulating Fire Brick

1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after firing, which meets the requirement of construction.

Specifications for Insulating Fire Brick

		SSW-23	SSW-25	SSW-26	SSW-28	SSW-30	SSW-32
ASTM C155-97 °C Classification Temperature °F		1260 2300	1350 2500	1430 2600	1540 2600	1650 3000	1760 3200
ASTM C134-95 g/cm³ Bulk Density ib/ft³		0.60 37	0.80 50	0.80 50	0.90 56	1.03 64	1.25 78
ASTM C133-97 Mpa Cold Crushing Strength ib/in²		1.2 170	2.0 284	2.0 284	2.6 370	2.8 398	3.4 484
ASTM C133-97 Mpa Modulus of rupture ib/in²		0.9 128	1.2 170	1.5 218	1.6 232	1.7 247	2.0 290
ASTM C210-95 % Permanent Liner Change °C*hrs		0 1230*24	-0.5 1350*24	-0.5 1400*24	-0.8 1510*24	-0.9 1620*24	-0.9 1730*24
ASTM C182-88 Thermal Conductivity (W/m.k)	400°C	0.17	0.24	0.24	0.30	0.40	0.49
	600°C	0.19	0.28	0.27	0.32	0.42	0.50
	800°C	0.22	0.32	0.30	0.35	0.44	0.51
	1000°C	0.25	0.37	0.32	0.38	0.45	0.53
	1200°C	---	---	0.35	0.39	0.47	0.55
Chemical Analysis of Insulating Fire Brick
Al2O3 %		45	50	55	65	72	76
Fe2O3 %		0.9	0.8	0.8	0.5	0.4	0.3
SiO2 %		50	45	42	32	26	22
CaO+MgO %		0.7	0.6	0.3	0.2	0.3	0.2
K2O+Na2O %		1.3	1.0	1.0	0.8	0.2	0.1

Images of Insulating Fire Brick

Insulating Fire Brick 65% Al2O3 min High Alumina

Applications of Insulating Fire Brick

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. For construction material in steel industry

6. For ladle

FAQ of Insulating Fire Brick

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 general idea of the specification and technical data of your products?

CNBM offer a range of refractory and insulation products. We provide refractory bricks, monolithic refractories as well as ceramic fiber products. And On your given shapes, drawings or description, we are producing refractories with all sizes and shapes, resistant to temperature from 800 °C till 1800 °C, using various machines and equipments for cutting, grinding, drilling, polishing, shaping processes.
Every refractory product by CNBM is of superior quality. Lesser refractory products can not approach. CNBM utilizes proprietary testing methods, testing for chemical content, density, apparent porosity, cold crush strength and modulus of rapture. With stringent quality control, you can count on CNBM products to exceed refractory industry standards and your expectations.

3. 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.

4. 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 used for chimney lining?: Yes, insulating fire bricks can be used for chimney lining. Insulating fire bricks are specifically designed to withstand high temperatures and are excellent at retaining heat. They have a low thermal conductivity which helps to prevent heat loss and improve the efficiency of the chimney. Additionally, insulating fire bricks are resistant to cracking and spalling, making them a durable option for chimney lining. However, it is important to ensure that the insulating fire bricks used are suitable for the specific type of chimney and comply with local building codes and regulations.

Q:Can insulating fire bricks be used for kiln furniture?: Yes, insulating fire bricks can be used for kiln furniture. Insulating fire bricks are designed to withstand high temperatures and are commonly used in industrial kilns and furnaces. They have excellent thermal insulation properties, which makes them ideal for creating kiln furniture such as shelves, posts, and supports. The insulating properties of these bricks help to distribute heat evenly throughout the kiln, ensuring that the items being fired are heated consistently. Additionally, insulating fire bricks are lightweight and easy to handle, making them a convenient choice for kiln furniture.

Q:Are insulating fire bricks suitable for insulation in gas turbines?: Insulating fire bricks, although great for high-temperature insulation in furnaces and kilns, are typically unsuitable for insulating gas turbines. Gas turbines operate at even higher temperatures and thus require specialized insulation materials. These materials, such as thermal barrier coatings, ceramic fiber blankets, or other advanced insulation materials, are specifically designed to withstand the extreme heat and pressure conditions within the turbine. They not only provide excellent thermal insulation but also possess properties like erosion resistance, low thermal conductivity, and high mechanical strength. Therefore, while insulating fire bricks have their merits in specific applications, they are not the ideal choice for gas turbine insulation.

Q:Can insulating fire bricks be used for insulation in heat treatment furnaces?: Indeed, insulation in heat treatment furnaces can be achieved through the utilization of insulating fire bricks. These bricks are specially engineered to endure extreme temperatures and offer exceptional thermal insulation properties. With their low thermal conductivity, they effectively trap heat within the furnace. Moreover, their lightweight composition facilitates effortless handling and installation. Insulating fire bricks find widespread application in diverse heat treatment procedures, including annealing, tempering, and hardening, guaranteeing utmost heat retention and energy efficiency within the furnace.

Q:Can insulating fire bricks be used for insulation in steel mills?: Yes, insulating fire bricks can be used for insulation in steel mills. Insulating fire bricks are specifically designed to withstand high temperatures and are used in various industrial applications, including steel mills, to provide thermal insulation and reduce heat loss. They help maintain consistent temperatures, improve energy efficiency, and protect equipment and structures from extreme heat.

Q:Can insulating fire bricks be used in combination with other insulation materials?: Yes, insulating fire bricks can be used in combination with other insulation materials. Insulating fire bricks are known for their excellent thermal insulation properties and can be used to effectively reduce heat transfer in various applications such as kilns, furnaces, and fireplaces. However, in some cases, additional insulation may be required to achieve optimal thermal efficiency. Combining insulating fire bricks with other insulation materials can further enhance the overall insulation performance. For example, ceramic fiber blankets or boards can be used alongside insulating fire bricks to provide additional insulation and to fill any gaps or joints between the bricks. This combination can help minimize heat loss and improve energy efficiency. Furthermore, using multiple insulation materials can also provide other benefits such as increased fire resistance, improved sound insulation, and enhanced structural integrity. By utilizing different insulation materials in combination, it is possible to create a more effective insulation system that meets specific requirements for different applications. It is important to consider the compatibility and compatibility of the different insulation materials when combining them. Each material may have different thermal properties, density, and installation requirements, so it is crucial to follow the manufacturer's recommendations and guidelines for proper installation. In summary, insulating fire bricks can be used in combination with other insulation materials to enhance thermal insulation and improve overall performance in various applications. However, it is essential to ensure compatibility and follow proper installation guidelines for optimal results.

Q:How durable are insulating fire bricks?: Insulating fire bricks are highly durable due to their high temperature resistance and ability to withstand thermal shock. They can withstand extreme heat, making them suitable for various industrial applications such as furnaces, kilns, and incinerators. Additionally, their insulating properties help reduce energy consumption by minimizing heat loss, making them a long-lasting and cost-effective solution for insulation needs.

Q:Are insulating fire bricks suitable for insulation in steam boilers?: Yes, insulating fire bricks are suitable for insulation in steam boilers. Insulating fire bricks are made from lightweight materials that have high insulating properties, such as alumina or silica. They are designed to withstand high temperatures and thermal shocks, making them ideal for use in steam boilers where there is constant exposure to heat. Insulating fire bricks have low thermal conductivity, which means they can effectively prevent heat transfer, reducing energy loss and increasing the efficiency of steam boilers. Their high insulation properties also help to maintain consistent temperatures within the boiler, preventing heat fluctuations and minimizing the risk of thermal stress and damage. Furthermore, insulating fire bricks are resistant to corrosion and chemical attacks, ensuring their durability and longevity in steam boiler applications. They are also easy to install and can be cut into different shapes and sizes to fit the specific requirements of the boiler. Overall, insulating fire bricks are an excellent choice for insulation in steam boilers due to their ability to withstand high temperatures, low thermal conductivity, and resistance to corrosion. They help in reducing energy loss, improving efficiency, and ensuring the longevity of the boiler.

Q:Can insulating fire bricks be used in fertilizer plants?: Yes, insulating fire bricks can be used in fertilizer plants. They are commonly used in high-temperature applications, such as kilns and furnaces, to provide thermal insulation and protect against heat loss. In fertilizer plants, where various processes involve high temperatures, insulating fire bricks can be utilized to enhance energy efficiency and maintain optimal temperature conditions.

Q:Are insulating fire bricks resistant to phosphorus pentoxide?: Insulating fire bricks are generally not resistant to phosphorus pentoxide. Phosphorus pentoxide is a highly reactive compound that can corrode and degrade most materials, including insulating fire bricks. It is important to consider alternative materials or protective coatings if there is a need for resistance to phosphorus pentoxide in a specific application.

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