Super heat duty bricks

Technical Specification of Super Heat Duty 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-42
42
2.0
33
2.3
2.1
250
1450
1450
0.8
Suitable for general applications.
AR-42D
42
2.0
33
20
2.2
300
1450
1450
0.5
Dense, spall resistant.Suitable for general applications.
AR-42AR
42
1.5
33
18
2.2
450
1470
1450
0.4
Dense, high abrasion resistant, resistant to carbon monooxide attack.
AR-42SD
42
1.5
33
16
2.3
500
1470
1450
0.3
Dense, resistant to high abrasion , resistant to carbon monooxide attack, Suitable for special applications.
AR-45
45
1.5
33
23
2.2
300
1450
1450
0.5
Suitable for general applications.
AR-45D
45-48
1.5
34
18
2.3
450
1480
1480
0.5
Dense, volume stable, suitable for blast furnace, hearth and lower and upper stacks.