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 ceramic tile kilns?: Yes, insulating fire bricks can be used in the construction of ceramic tile kilns. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They have low thermal conductivity, which means they help to retain heat within the kiln and prevent it from escaping, resulting in more efficient and effective firing of ceramic tiles. Additionally, their lightweight nature makes them easy to handle and install in the kiln structure. Overall, using insulating fire bricks in the construction of ceramic tile kilns can help improve energy efficiency, reduce heat loss, and ensure consistent and controlled firing temperatures.

Q:Are insulating fire bricks resistant to salt attack?: Yes, insulating fire bricks are generally resistant to salt attack. They have a high resistance to chemical reactions and can withstand exposure to salts without significant deterioration.

Q:What is the typical cost of insulating fire bricks?: The cost of insulating fire bricks can vary depending on various factors like size, quality, and quantity required. Generally, prices per brick can range from $2 to $10. Nevertheless, it is important to note that these figures are approximate and actual prices may differ based on the source of purchase and specific project requirements. To ensure the most favorable deal, it is advisable to compare prices from different suppliers.

Q:The project cost in hydropower No.3 shaft wall is solid brick or insulating brick?: From the structure principle, hydropower shaft with solid brick, is to consider the safety performance of the structure.

Q:Can insulating fire bricks be used for insulation in power boiler walls?: Yes, insulating fire bricks can be used for insulation in power boiler walls. Insulating fire bricks are specifically designed to have low thermal conductivity, allowing them to effectively insulate high temperature environments such as power boilers. They are made from lightweight materials such as clay and other refractory materials, which provide excellent insulation properties while withstanding the extreme heat conditions found in power boilers. The use of insulating fire bricks in power boiler walls helps to reduce heat loss, improve energy efficiency, and maintain high operating temperatures within the boiler.

Q:Are insulating fire bricks resistant to chlorine gas?: Generally, insulating fire bricks possess resistance to chlorine gas. These bricks are composed of refractory materials that are formulated to endure high temperatures and combat chemical corrosion. As chlorine gas is highly reactive, it has the potential to corrode or harm various materials. However, insulating fire bricks exhibit a strong resistance to chemical attack, thereby making them appropriate for situations where exposure to chlorine gas is likely. It should be noted that the composition and quality of these bricks may differ, hence it is advisable to consult the manufacturer or supplier for precise details regarding their resistance to chlorine gas.

Q:What are the different types of insulating fire bricks available?: There are several different types of insulating fire bricks available, including lightweight, medium weight, and heavy weight bricks. Additionally, there are various grades of insulating fire bricks based on their temperature resistance, such as low-duty, medium-duty, and high-duty bricks. Each type of insulating fire brick has its own unique properties and is suitable for different applications depending on factors such as temperature requirements and insulation needs.

Q:Is it possible to repair damaged insulating fire bricks?: Yes, it is possible to repair damaged insulating fire bricks. The damaged bricks can be repaired by using refractory cement or mortar to fill in cracks or gaps. Additionally, damaged portions can be cut out and replaced with new bricks. However, the extent of the damage and the specific repair method required may vary depending on the severity of the damage.

Q:Can insulating fire bricks be used in a refractory lining?: Indeed, refractory linings can incorporate insulating fire bricks. These bricks are purposefully crafted to offer thermal insulation and minimize heat dissipation in scenarios involving high temperatures. Possessing low thermal conductivity and exceptional insulating properties, they are perfectly suited for use in refractory linings. By curbing heat transfer to the surrounding environment, these bricks contribute to the enhanced energy efficiency of furnaces, kilns, and other industrial applications. Moreover, insulating fire bricks are lightweight, effortlessly installable, and exhibit commendable strength and durability, rendering them a favored selection for refractory linings.

Q:Can insulating fire bricks be used for insulation in incinerators?: Yes, insulating fire bricks can be used for insulation in incinerators. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in incinerators to minimize heat loss and improve energy efficiency.

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