|
|
|
MEDIUM PURITY DENSE
CASTABLES |
| |
PASCRETE (N) |
PASCRETE SUPER |
PASCRETE SPECIAL |
PAS-LT CASTABLE |
|
Base Component |
Calcined Clay |
Calcined Bauxite |
Calcined Clay |
Calcined Clay |
|
Physical Properties |
|
Recommended Service Temp
oC (max) |
1400 |
1450 |
1350 |
800 |
|
Refractoriness oC
(min) |
1580 |
1680 |
1450 |
- |
|
Dry Density (gm/cm3)
Min |
2.10 |
2.55 |
2.25 |
2.20 |
|
Linear Change % (max) oC/3
Hrs |
± 1.0
1350 |
± 1.0
1400 |
± 0.8
1350 |
- |
CCS kg/cm2 (min)
at 110oC/24 Hrs
at 1350oC/03 Hrs
at 1450oC |
250
225
- |
350
-
450 |
400
300
- |
250
-
- |
Thermal Conductivity in
service (Kcal/m/hr/oC)
at 400oHF
at 600oHF
at 800oHF |
0.70
0.77
0.85 |
0.92
0.95
1.00 |
0.78
0.84
0.86 |
0.72
0.75
0.81 |
|
Reversable Thermal Expansion
at 1000oC (%) |
0.54 |
0.65 |
0.55 |
0.55 |
|
Maximum grain Size (mm) |
5 |
5 |
5 |
5 |
|
Chemical Analysis |
|
Al2O3
(% min) |
45.0 |
70.0 |
45 |
30.0 |
|
Fe2O3
(% min) |
4.0 |
5 |
4 |
4.0 |
|
