AC6127 Alumina Corundum Brick

AC6127 Alumina Corundum Brick


  • Catalog No.
    AC6127

  • Material
    Al2O3

  • Bulk Density
    ≥3.1 g/cm3

  • Working Temperature
    1700℃

  • Purity
    ≥95%

Alumina Corundum Brick Overview

Alumina Corundum Brick is a high-performance refractory material tailored for extreme environments. It offers exceptional resistance to high temperatures, thermal shock, wear, and chemical corrosion. With its high alumina content and durable corundum structure, this brick is perfect for use in demanding industrial settings such as metallurgical furnaces, glass furnaces, chemical reactors, and ceramic kilns. It ensures remarkable durability, energy efficiency, and a prolonged service life.

Alumina Corundum Brick Specifications

Item

Unit

Corundum brick

ACB-99A

ACB-99B

ACB-98

ACB-95

Al2O3 ≥

%

99

99

98

95

SiO2 ≤

%

0.15

0.2

0.5

Fe2O3 ≤

%

0.1

0.15

0.2

0.3

Apparent porosity ≤

%

19

19

19

20

Bulk density ≥

g/cm3

3.20

3.15

3.15

3.10

Cold crushing strength ≥

Mpa

80

80

80

100

Refractoriness under load ≥

1700

1700

1700

1700

Permanent linear change

%

±0.2

±0.2

±0.2

±0.3

Alumina Corundum Brick Applications

  • Metallurgical Furnaces: Used in blast furnaces, electric arc furnaces, and ladles for the steel and non-ferrous metal industries.
  • Glass Furnaces: Lining for melting furnaces, regenerators, and feeders in the glass industry.
  • Petrochemical and Chemical Industries: Used in reactors, gasifiers, and reformers exposed to high temperatures and corrosive chemicals.
  • Ceramic Kilns: Lining material for ceramic kilns due to its excellent thermal and chemical resistance.

Alumina Corundum Brick Packaging

Alumina Corundum Bricks are typically packaged to ensure they reach their destination in excellent condition. The packaging options include:

  • Standard Packaging: Bricks are wrapped in shrink-wrap or heavy-duty plastic to protect against moisture and contamination.
  • Palletized Packaging: Bricks are stacked on pallets and secured with strapping to prevent movement during transit. Pallets are covered with a protective sheet to safeguard against environmental factors.
  • Custom Packaging: For specialized needs, custom packaging solutions can be arranged based on the client’s requirements.

Frequently Asked Questions (FAQs)

1. What are the primary applications of Alumina Corundum Bricks?

Alumina Corundum Bricks are used in high-temperature applications including metallurgical furnaces, glass furnaces, chemical reactors, and ceramic kilns due to their superior resistance to heat and corrosion.

2. How do Alumina Corundum Bricks compare to other refractory materials?

These bricks offer higher temperature resistance and better durability compared to many other refractory materials, thanks to their high alumina and corundum content. This makes them ideal for extreme industrial environments.

3. What is the service life of Alumina Corundum Bricks?

The service life of these bricks varies depending on the specific application and operating conditions. Generally, their high durability provides a long service life with proper maintenance.

4. Can Alumina Corundum Bricks be used in both acidic and alkaline environments?

Yes, Alumina Corundum Bricks are resistant to both acidic and alkaline environments, making them versatile for various chemical processing applications.

5. How should Alumina Corundum Bricks be stored?

Bricks should be stored in a dry, covered area to protect them from moisture and physical damage. They should be kept on a flat surface to prevent deformation or damage.

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