Insulating Fire Brick for Steel, Cement, and Glass Industries

Insulating Fire Brick for Steel, Cement, and Glass Industries System 1

Insulating Fire Brick for Steel, Cement, and Glass Industries

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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CNBM conforms strictly to the requirements of ISO 9000 quality control system during the production. MSDS is also available if you want. The thermal insulation fire clay brick meet with the requirements of ASTM & JIS standards. So pls stay cool with our quality.

Brief discription for Alumina Fire Brick

CNBM Alumina Fire Brick are classified according to alumina content ranging from 48% to 90%.

CNBM Alumina Fire Brick are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc.

Brief features for Alumina Fire Brick

◆Low thermal conductivity

◆Excellent acid and base slagging resistance

◆High refractoriness

◆Excellent thermal shock resistance

◆Excellent mechanical strength

◆Good spalling resistance and wear resistance.

◆Good corrosion resistance.

◆High-temperature creep rate is quite low.

◆Good volume stability at high temperature.

◆Low bulk density, low thermal conductivity, good thermal insulation performance.

Technical data for high aluminia bricks

ITEM	UAL48	UAL55	UAL65	UAL75	UAL80	UAL85	ALP80
Refractoriness, ℃	1750	1770	1790	1790	1810	1810	1810
Apparent Porosity,%	22	22	23	23	20	20	18
C.C.S, Mpa	39	44	49	53	55	60	100
Refractories Under Load (0.2Mpa)，℃	1420	1470	1500	1520	1500	1520	1550
Reheating Linear Change,%	1450℃x2h 0.1～-0.4	1500℃x2h 0.1～-0.4	1500℃x2h 0.1～-0.4	1500℃x2h 0.1～-0.4	1550℃x2h -0.5～+0.5	1550℃x2h -0.5～+0.5	1550℃x2h -0.5～+0.5
Al₂O₃ Content , %	48	55	65	75	80	85	82

Why us

Professional fire brick manufacturer. We have being specialized in producing refractory fireclay brick for more than 40 years so that we can guarantee a stable quality.

Guaranteed quality. Our production process conforms strictly to the requirements of ISO9000 quality management system. Quality inspection is carried out in every links of our production. SGS third party inspection is available.

Sound after sales service. We provide sound after sales service. We provide 24 hours’ consultation service. We are ready to answer your consultations at any time.

Q: What is the typical modulus of rupture of an insulating fire brick?: The typical modulus of rupture of an insulating fire brick can vary depending on the specific composition and manufacturing process of the brick. However, on average, the modulus of rupture for insulating fire bricks typically ranges from 1 to 10 megapascals (MPa). This means that these bricks can withstand a bending force or pressure of 1 to 10 MPa before fracturing or breaking. It is important to note that the modulus of rupture can be influenced by factors such as the density, porosity, and chemical composition of the insulating fire brick.

Q: Are insulating fire bricks suitable for use in incinerators?: Yes, insulating fire bricks are suitable for use in incinerators. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them ideal for insulating the inner walls of incinerators. They help to retain heat, improve energy efficiency, and prevent heat loss, thereby enhancing the overall performance of the incinerator.

Q: Can insulating fire bricks be used in the construction of gas kilns?: Yes, insulating fire bricks can be used in the construction of gas kilns. Insulating fire bricks are designed to have low thermal conductivity, which means they can help retain heat and improve energy efficiency in a kiln. Gas kilns require proper insulation to ensure that heat is evenly distributed and maintained within the kiln chamber. Insulating fire bricks can be used to line the walls, floor, and ceiling of the kiln, creating a barrier that helps to prevent heat loss and improve the kiln's performance. Additionally, insulating fire bricks are lightweight and easy to work with, making them a popular choice for kiln construction projects.

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: Are insulating fire bricks resistant to weathering?: Yes, insulating fire bricks are resistant to weathering.

Q: Do insulating fire bricks require any special anchors or supports for installation?: Yes, insulating fire bricks do require special anchors or supports for installation in certain applications. Insulating fire bricks are lightweight and have low thermal conductivity, making them ideal for use in high-temperature environments such as furnaces, kilns, and fireplaces. However, due to their lightweight nature, they can be prone to movement or displacement under certain conditions. To ensure the stability and integrity of the insulating fire bricks, it is recommended to use special anchors or supports during installation. These anchors or supports are typically made of metal, such as stainless steel, and are designed to securely hold the bricks in place. They help prevent the bricks from shifting or falling out, especially when exposed to vibrations, thermal expansion/contraction, or other external forces. The type and design of the anchors or supports depend on the specific application and installation requirements. Common types of anchors include V anchors, U anchors, and L anchors, which are embedded into the surrounding refractory material or attached to a structural frame. The anchors or supports should be properly spaced and installed according to the manufacturer's guidelines to ensure adequate support and stability of the insulating fire bricks. In summary, while insulating fire bricks offer excellent thermal insulation properties, they do require special anchors or supports for installation in order to prevent movement or displacement. These anchors or supports play a crucial role in maintaining the structural integrity and longevity of the insulating fire brick system.

Q: Can insulating fire bricks be used for insulation in oil refineries?: Yes, insulating fire bricks can be used for insulation in oil refineries. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight refractory materials that have low thermal conductivity, allowing them to effectively minimize heat transfer. In oil refineries, where high temperatures and heat transfer are common, insulating fire bricks can be used to insulate various components such as furnaces, reactors, and pipelines. By using insulating fire bricks, the heat loss can be significantly reduced, improving energy efficiency and reducing operational costs in oil refineries.

Q: What is composite sintering insulation bricks?: Taking the Yangtze River, lake and silt as the main raw materials, the performance indexes of roasting are in line with the technical specifications and technical requirements of the building blocks, referred to as insulating bricks.

Q: Can insulating fire bricks be used in ceramic fiber modules?: Insulating fire bricks cannot be utilized in ceramic fiber modules, as their compositions and constructions greatly differ. Insulating fire bricks are composed of dense refractory materials, typically containing high levels of alumina and silica. These materials offer exceptional thermal insulation and high temperature resistance. Conversely, ceramic fiber modules are made of lightweight, flexible ceramic fibers that provide superior thermal insulation properties. They are primarily used to line furnaces, kilns, and other high-temperature applications. Insulating fire bricks are solid and rigid, whereas ceramic fiber modules are flexible and can be easily molded and installed. Therefore, trying to incorporate insulating fire bricks into ceramic fiber modules would not only be impractical but also ineffective in achieving the desired insulation properties and overall performance. To ensure safety, efficiency, and longevity, it is crucial to use materials specifically designed for their intended applications.

Q: Can insulating fire bricks be used for insulation in cryogenic applications?: Yes, insulating fire bricks can be used for insulation in cryogenic applications. These bricks have excellent thermal properties that make them suitable for maintaining low temperatures and preventing the transfer of heat in cryogenic environments. They are designed to resist extreme cold and can effectively insulate against the loss of thermal energy, making them a reliable choice for cryogenic insulation.

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