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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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 in the construction of boilers?: Yes, insulating fire bricks can be used in the construction of boilers. Insulating fire bricks are made from lightweight materials that have high thermal insulation properties, making them suitable for use in high-temperature applications such as boilers. These bricks help to reduce heat loss and improve energy efficiency by preventing the escape of heat from the boiler. Additionally, they have excellent resistance to thermal shock and can withstand extreme temperatures, making them a reliable choice for boiler construction.

Q: Can insulating fire bricks be used for insulation in solar thermal systems?: Yes, insulating fire bricks can be used for insulation in solar thermal systems. Insulating fire bricks are specially designed to have low thermal conductivity, which means they can effectively trap and retain heat. This makes them suitable for insulating the components of a solar thermal system, such as the solar collector and the storage tank, to minimize heat loss and increase the overall efficiency of the system. Additionally, insulating fire bricks are able to withstand high temperatures, which is crucial in solar thermal systems where temperatures can reach extremes. Overall, using insulating fire bricks for insulation in solar thermal systems can help improve their performance and reduce energy loss.

Q: Are insulating fire bricks resistant to UV radiation?: Insulating fire bricks are not typically designed to be resistant to UV radiation. UV radiation from the sun can cause degradation and discoloration of many materials, including fire bricks. Therefore, it is recommended to protect insulating fire bricks from direct exposure to UV radiation, such as by using a protective coating or covering when they are used in outdoor applications. Additionally, prolonged exposure to UV radiation can also affect the thermal and insulating properties of fire bricks, potentially reducing their effectiveness over time. Therefore, it is important to consider UV protection measures when using insulating fire bricks in applications where they may be exposed to direct sunlight.

Q: Can insulating fire bricks be used for insulation in chemical plants?: Indeed, insulation in chemical plants can be achieved with the utilization of insulating fire bricks. These bricks are crafted from lightweight materials possessing exceptional insulating characteristics, such as ceramic fibers or refractory materials. Their composition renders them capable of enduring elevated temperatures, thus rendering them suitable for deployment in environments where chemical procedures generate heat. Within chemical plants, insulating fire bricks can be employed in a multitude of applications, including the lining of furnaces, reactors, kilns, and other equipment. By virtue of their remarkable insulating properties, they aid in minimizing heat loss, conserving energy, and maintaining optimal operating temperatures, thereby ensuring the utmost efficiency and safety in the chemical processes.

Q: Can insulating fire bricks be used in the construction of refractory coatings?: Indeed, refractory coatings can utilize insulating fire bricks during their construction. The purpose of insulating fire bricks is to possess a low thermal conductivity, enabling them to effectively hinder the transfer of heat. Consequently, they prove to be an optimal choice for refractory coatings, which serve the purpose of shielding structures from elevated temperatures. Refractory coatings are applied onto surfaces that endure extreme heat, such as furnaces, kilns, and chimneys. These coatings furnish an insulating layer that aids in preserving heat, preventing harm to the underlying structure, and enhancing energy efficiency. In the construction of refractory coatings, insulating fire bricks can be employed as a foundational layer. They can be stacked and bonded together to form a sturdy and heat-resistant surface. This layer acts as a barrier that impedes the passage of heat to the underlying structure. Apart from their low thermal conductivity, insulating fire bricks possess other attributes that render them suitable for use in refractory coatings. They exhibit high temperature resistance, enabling them to withstand the intense heat generated in industrial applications. Furthermore, they boast a lightweight nature and are easy to handle, facilitating convenient installation and handling. To summarize, insulating fire bricks present themselves as a dependable choice when it comes to constructing refractory coatings. With their exceptional insulation properties and capacity to shield against high temperatures, they stand as a valuable component in the production of structures that can withstand extreme heat.

Q: Can insulating fire bricks be used in the construction of steel rolling mills?: Yes, insulating fire bricks can be used in the construction of steel rolling mills. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining furnaces, kilns, and other industrial applications. Using insulating fire bricks in steel rolling mills can help maintain stable temperature conditions and improve energy efficiency during the rolling process.

Q: Can insulating fire bricks be used for insulation in heat exchangers?: Yes, insulating fire bricks can be used for insulation in heat exchangers. Insulating fire bricks are made from a lightweight refractory material that has excellent thermal insulation properties. They have low thermal conductivity, which means they can effectively reduce heat transfer from one side of the heat exchanger to the other. This helps to maintain the desired temperature within the heat exchanger and prevents heat loss to the surroundings. Additionally, insulating fire bricks are resistant to high temperatures and can withstand thermal shocks, making them suitable for the harsh conditions often found in heat exchangers. Overall, using insulating fire bricks for insulation in heat exchangers can improve energy efficiency, reduce heat loss, and enhance the overall performance of the system.

Q: Can insulating fire bricks be used in chimneys or flues?: Insulating fire bricks are not recommended for use directly in chimneys or flues. While these bricks are designed to withstand high temperatures, they are primarily used for insulation purposes rather than as a structural component. Chimneys and flues require bricks that are specifically engineered to withstand the intense heat and corrosive byproducts of combustion. These bricks, known as refractory bricks, are designed to have high thermal resistance and exceptional durability to ensure the safe and efficient operation of the chimney or flue. Therefore, it is advisable to use refractory bricks instead of insulating fire bricks when constructing or repairing chimneys and flues.

Q: Is it possible to paint or coat insulating fire bricks?: Indeed, it is feasible to apply paint or coat insulating fire bricks. Nevertheless, it is imperative to utilize a type of paint or coating that can endure elevated temperatures, given that insulating fire bricks are intended for usage in exceedingly hot surroundings. Ordinary paint or coatings may not be appropriate since they can combust or deteriorate under high temperatures. It is advisable to employ specialized high temperature paint or coatings that have been specifically formulated to withstand the intense heat of insulating fire bricks. Typically, these types of paint or coatings possess a resistance to high temperatures of several hundred degrees Celsius or greater. Moreover, it is crucial to adequately clean and prepare the surface of the bricks prior to applying any paint or coating to ensure optimal adhesion and durability.

Q: Can insulating fire bricks be used in the construction of smelting crucibles?: Yes, insulating fire bricks can be used in the construction of smelting crucibles. The high heat resistance and insulating properties of these bricks make them suitable for withstanding the extreme temperatures required in the smelting process.

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