|
High Alumina Refractories
Quality
|
Chemical
Analysis
|
Physical
Properties
|
Thermal
Properties
|
Area of Application
|
Al2O3
Min.
(%)
|
Fe2O3
Max.
(%)
|
AP
Max.
(%)
|
BD
Avg.
(g/cc)
|
CCS
Min.
(kg/cm2)
|
PCE
Min
On/oC
|
RUL
Min
(taoC)
|
PLC
Max.
(%) / oC |
Cement
Plants
|
Steel
Plants
|
Others
|
HA 40
|
40
|
3.0
|
23
|
2.20
|
300
|
31/1683
|
|
|
Calcination
Zone,
Preneaters
Pe/calciners
|
Backup
Lining
Ladles
Rohoat
Furnace
|
Coke Oven,
Rollers,
Stacks, etc.
|
HA 50
|
50
|
3.0
|
23
|
2.35
|
400
|
33/1743
|
|
|
Kiln Hood
Coilors &
Hot Air
Generators
|
Walls
& Tundish
Lining
|
Coke Oven
Lime Kiln,
Shaft Kiln,
etc.
|
HA 60
|
60
|
3.0
|
23
|
2.50
|
40
|
35/1765
|
1420
|
1.0/1400
|
Preburning
Zore
|
Reheat
Fumancos,
Reverooratory
& loading
Furnaces
|
Lime Rotary
Kilns,
Shaft Kins,
Cermic Kilns
& Boiler
Furnaces
|
PA 70
|
70
|
3.9
|
23
|
2.60
|
500
|
36/804
|
1450
|
2.5/1500
|
Burning Zone,
Upper & Lowe-
transition
Zones
|
Ladies, Eaf
Roofs,
Reheat
Furnaces
incinerators
|
Lime Kiln
Burning Zone
ad Vanous
Melting
Furances
|
HA 80
|
80
|
3.0
|
23
|
2.75
|
500
|
37/1820
|
1450
|
1.0/1500
|
|
Steel Ladles
Laole Furnaces,
Soaking Pit
Side Wall &
Eat Rools
|
High
Temperature
Kilns &
Smelting
Furnaces.
|
Note:
- Size Tolerance: +/- 1.5% or +/- mm whichever is greater
- Anova specified values related to machine pressed standard bricks
- PLC vlaues are for specimens heated at given temperature for hours.
- HA - High Alumina.
|
