High Alumina Refractory Brick

High-alumina brick is a kind of neutral refractory material. Its alumina content is as high as 80%. It has good high refractoriness. This brick is widely used in steelmaking electric furnaces, glass melting furnaces, cement rotary kilns and other high-temperature kinls. Kerui, as the original manufacturer, offers a wide range of bricks, factory prices and professional services to 1000+ global partners.

  • Refractoriness: Above 1770ºC;
  • Al2O3:≥48-80%;
  • Bulk Density: 2.1-2.7g/cm³;
  • Refractoriness Under Load: 1420-1530ºC;
  • Apparent Porosity: 19-26%;
  • Size: 230*114*65mm (standard) and other sizes;
Free Sample Available to Any Country
High Working Temperature
Good Thermal Stability
Strong Slag Resistance
Good Erosion and Corrosion Resistance
High Alumina Refractory Fire Brick

Kerui offers the following types. Besides, we also offer SK-36 and SK-38 high alumina bricks. Contact us for details.

Al2O3, /%80757065605548
Apparent Porosity, %21242424262222
Cold Crushing Strength, MPa70605550454540
0.2MPa Refractoriness Under Load, ℃1530152015101500143014501420
Permanent Linear Change, %1500℃*2h

Introduction of Kerui High Alumina Refractory Brick

  • Raw material: Kerui brick is a neutral refractory material with more than 48% content of Al2O3. The main raw materials are alumina clinker and bonded clay.
  • Burning temperature: The high-quality raw materials are burned between 1500-1600°C and form bricks.
  • Quality control: Kerui has a strict quality control system, including raw materials quality testing, quality reports of high alumina bricks, etc.
  • Features: It has high thermal stability. The fire resistance is above 1770 °C.
  • Uses: The residual resistance is better, and it is used in the lining of the steelmaking electric furnace, glass furnace, and cement turning furnace.
  • Shapes: Besides standard size (230*114*65mm), Kerui offers side-arc shape, side-arc shape, anchor brick, arc brick, etc.
SK36 Standard Brick
SK38 Standard Brick
High Alumina Brick
Side-Arc Shape

Checker Brick
Checker Brick
Anchor Brick
Anchor Brick
Arc Brick
Arc Brick

  • High refractoriness: The refractoriness is as high as 1750-1790 degrees Celsius.
  • High load softening temperature: The high alumina content and low impurities make the load-softening temperature higher than that of fire clay brick.
  • Strong slag resistance: Alumina can well resist acidic and alkaline slag.
  • Strong thermal shock resistance: The thermal expansion coefficient is low. It is not easy to deform at high temperatures.
  • Strong mechanical properties: High alumina refractory bricks can better withstand compressive and flexural strength.

High Alumina Refractory Brick
High Alumina Refractory Brick for Sale

Applications of Kerui High Alumina Refractories Bricks

  • Metallurgical industry: Blast furnaces, hot blast stoves, electric furnaces, open hearth furnaces, converters, melting furnaces, sintering furnaces, etc.
  • Building materials industry: Cement kilns, glass kilns, ceramic kilns, refractory kilns, etc.
  • Chemical industry: Chemical furnaces, reactors, pipelines, burners, etc.
  • Power industry: Boilers, turbines, flues, dust collectors, etc.
Kerui High Alumina Bricks Used in Blast Furnace
Used in Blast Furnace
High Alumina Bricks Used in Blast Furnace - Kerui
Used in Blast Furnace – Kerui

Global Partners of Kerui High Alumina Refractories Bricks

Partners from over 50 countries have chosen Kerui high alumina bricks. Our partners include RUSAL, CHALCO, ALBA, POSCO, PSM, and others. They have a high level of recognition for us and maintain long-term cooperation.

Russian Partner Visited Kerui Factory
Russian Partner Visited Kerui Factory
Kerui Assisted Russian Partner in Construction
Kerui Assisted Russian Partner in Construction

Contact Kerui Refractory

Kerui Refractory has more than 20 years of manufacturing and exporting refractory bricks. We have international certificates, patents of refractory bricks, and other certificates. We have strong production capacity and strict quality control system to guarantee the quality. Moreover, our professional manager and technical professionals will guide you to choose the suitable bricks and high-temperature construction.

Kerui Certificates 2024
Kerui Has Various International Certificates