Technical Specification of High Alumina Bricks

Product code

AL2O3
%

Fe2O3
%

PCE
Orton

AP
%

BD
gm/cc

CCS
kg/cm

RUL
Ta°C

PLCAR
at °C

For 2 hrs %

Characteristics & Use

AR-50B

50

2.5

34

23

2.3

300

1420

1600

2.0

High alumina content, resistant to slag and
alkali attack. Suitable for cement industries.

AR-60B

60

3.0

34

23

2.4

350

1420

1600

3.0

Superior to 508. Suitable for cement rotary kiln and electric arc furnaces.

AR-70B

70

3.5

36

23

2.6

400

1450

1600

3.0

High alumina, resistant to slag, alkali attack, and abrasion. Suitable for cement rotary kiln, ladle and electric arc furnaces.

AR-70BD

70

2.5

37

21

2.6

600

1480

1600

2.5

Excellent bricks for cement rotary kiln, steelladle and electric arc furnaces.

AR-80B

80

3.0

37

23

2.7

400

1440

1600

1.5

-do-

AR-80BD

80

2.5

37

21

2.7

600

1500

1600

1.5

-do-

AR-90B

902

2.5

38

25

2.8

400

1550

1600

1.5

High alumina, high resistance to corrosion
abrasion: Suitable for special purposes.