High Purity Alumina Clay Insulating Fire Bricks

High Purity Alumina Clay Insulating Fire Bricks System 1

High Purity Alumina Clay Insulating Fire Bricks System 2

High Purity Alumina Clay Insulating Fire Bricks

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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 Firebricks

CMAX Insulating Firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.

Features of Insulating Firebricks

Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance

Applications of Insulating Firebricks

CMAX Insulating Firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

Specifications of Insulating Firebricks

°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 Firebricks
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 Firebricks

Insulating Firebricks Manufactured from High Purity Alumina Clay

FAQ of Insulating Firebricks

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: Are insulating fire bricks easy to cut or shape?: Compared to other bricks, insulating fire bricks offer a relatively simple cutting and shaping process. This is mainly because of their lower density and composition, enabling easier manipulation using standard masonry tools. However, it is crucial to acknowledge that the level of simplicity can differ depending on the specific type and brand of insulating fire brick. Some may demand special tools or techniques for cutting or shaping, while others may be more user-friendly. To ensure accurate cutting or shaping techniques, it is always advisable to refer to the manufacturer's instructions or seek professional guidance when working with insulating fire bricks.

Q: How long do insulating fire bricks typically last?: IFBs, also known as insulating fire bricks, have the potential to endure for multiple years depending on various factors such as brick quality, exposure conditions, and maintenance level. Generally, well-manufactured IFBs can last for 10 to 20 years or potentially longer with appropriate care. The duration of IFBs is influenced by the temperature to which they are exposed. These bricks are engineered to withstand high temperatures, typically ranging from 2,000 to 3,200 degrees Fahrenheit (1,093 to 1,760 degrees Celsius). However, prolonged and extreme exposure to such high temperatures can gradually degrade and weaken the bricks, reducing their lifespan. The lifespan of insulating fire bricks can also be affected by thermal cycling, chemical exposure, and mechanical stress. Repeated heating and cooling cycles can cause expansion and contraction, leading to cracks and eventual failure. Furthermore, chemicals present in specific applications, such as acids or alkalis, can corrode the bricks over time. Additionally, excessive pressure or impact can result in the bricks breaking or chipping, thereby diminishing their effectiveness. To significantly extend the lifespan of IFBs, proper maintenance and care are necessary. Regular inspections should be carried out to identify any indications of wear, damage, or deterioration. Prompt replacement of cracked or damaged bricks is essential to prevent further issues. Additionally, regular cleaning of the bricks is crucial to eliminate any accumulated debris or residues that could potentially compromise their insulating properties. Ultimately, the lifespan of insulating fire bricks varies depending on multiple factors and can differ across various applications. Nonetheless, with careful selection, proper installation, and regular maintenance, IFBs can provide reliable insulation and longevity for many years.

Q: Do insulating fire bricks require any special firebrick mortar for installation?: Indeed, the installation of insulating fire bricks necessitates the utilization of a specialized firebrick mortar. Regular mortar is unsuitable due to its inability to furnish the essential thermal insulation characteristics or endure the elevated temperatures for which these bricks are intended. Insulating firebrick mortar is purposefully engineered to withstand extreme temperatures and effectively adhere to insulating fire bricks. Typically, this mortar is concocted from an amalgamation of refractory materials, including high-alumina cement, silica sand, and fire clay. Employing the appropriate firebrick mortar is imperative to guarantee a robust and long-lasting installation of insulating fire bricks.

Q: Can insulating fire bricks be used for insulation in cement kilns?: Insulation in cement kilns can be achieved by using insulating fire bricks. These bricks are made from lightweight materials like ceramic fibers or expanded clay, which possess high insulation properties. Their low thermal conductivity allows them to effectively reduce heat transfer and retain heat within the kiln. Cement kilns operate at extremely high temperatures, often surpassing 1,400 degrees Celsius (2,500 degrees Fahrenheit). Incorporating insulating fire bricks in the kiln helps prevent heat loss, enhances energy efficiency, and reduces fuel consumption. By creating a barrier between the hot gases inside the kiln and the surrounding environment, these bricks minimize heat escape. Additionally, insulating fire bricks exhibit remarkable resistance to thermal shocks, enabling them to withstand the severe temperature fluctuations that occur in cement kilns. This durability ensures long-lasting insulation, minimizing the need for frequent maintenance and replacement. Nevertheless, it is crucial to note that the specific type and composition of insulating fire bricks required for cement kiln insulation may vary depending on factors such as the kiln's design and operating conditions. Consulting with experts or manufacturers specializing in refractory materials is advisable to ensure the correct selection and installation of insulating fire bricks for cement kiln insulation.

Q: Can insulating fire bricks be used in heat treatment furnaces?: Yes, insulating fire bricks can be used in heat treatment furnaces. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties, making them suitable for use in heat treatment furnaces where high temperatures are required. These bricks help to retain heat, minimize energy loss, and ensure efficient heat distribution throughout the furnace, resulting in improved heat treatment processes.

Q: Can insulating fire bricks be used in DIY projects?: Yes, insulating fire bricks can be used in DIY projects. They are commonly used in various DIY applications such as constructing fire pits, ovens, kilns, and for lining chimneys. These bricks have excellent insulation properties, can withstand high temperatures, and are easy to work with, making them ideal for DIY projects requiring heat resistance.

Q: Can insulating fire bricks be used for both residential and commercial purposes?: Yes, insulating fire bricks can be used for both residential and commercial purposes. Insulating fire bricks are designed to provide excellent insulation and thermal protection, making them suitable for a wide range of applications. In residential settings, these bricks can be used for insulating fireplaces, wood-burning stoves, and pizza ovens, among others. In commercial settings, they are commonly used for kilns, furnaces, boilers, and industrial ovens. The versatility of insulating fire bricks makes them a popular choice for both residential and commercial projects where effective thermal insulation is required.

Q: Are insulating fire bricks resistant to freeze-thaw cycles?: Generally, insulating fire bricks are resistant to freeze-thaw cycles. They are designed with low thermal conductivity and high resistance to thermal shock, making them durable and able to withstand extreme temperature variations, including freeze-thaw cycles. This resistance to freeze-thaw cycles is crucial in applications where the bricks are exposed to fluctuating temperatures, like in furnaces, kilns, and other high-temperature environments. Moreover, the insulating properties of these bricks minimize heat loss and prevent moisture penetration, further improving their resistance to freeze-thaw cycles. However, it is important to note that the composition and manufacturing process of the insulating fire bricks may vary, so it is recommended to consult the manufacturer's specifications and guidelines to ensure their suitability for the intended application.

Q: Clay insulation bricks insulation, brick and ordinary clay brick, fireclay, brick distinction, and its use? Thank you: Thermal insulation brick is a new type of energy-saving building insulation technology with inorganic composite material as the main material. It is an ideal technology to replace the traditional wall insulation.

Q: Can insulating fire bricks be used in fertilizer plants?: Yes, insulating fire bricks can be used in fertilizer plants. Insulating fire bricks are known for their excellent thermal insulation properties, high heat resistance, and low thermal conductivity. These properties make them suitable for various industrial applications, including fertilizer plants. In fertilizer plants, there are often processes that involve high temperatures, such as the production of ammonia or the conversion of raw materials into fertilizers. Insulating fire bricks can be used to line the walls, floors, and roofs of the furnaces, kilns, and reactors used in these processes. The thermal insulation provided by insulating fire bricks helps to minimize heat loss, increase energy efficiency, and maintain a stable temperature inside the processing units. This is crucial for controlling the chemical reactions and ensuring the optimal performance of the plant. Additionally, insulating fire bricks have a high resistance to chemical attack, which is essential in fertilizer plants where corrosive substances are often handled. They can withstand the harsh chemicals and gases present in the production environment without deteriorating or compromising their insulating capabilities. Furthermore, insulating fire bricks are lightweight, making them easier to handle and install in different areas of the plant. This can result in cost savings during construction or maintenance activities. Overall, insulating fire bricks are a suitable choice for fertilizer plants due to their thermal insulation properties, high heat resistance, chemical resistance, and lightweight nature. They can contribute to the efficient and safe operation of the plant, while also providing long-lasting performance in the demanding conditions of the fertilizer industry.

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