|
High Alumina - Low Ferric Refractories
Quality
|
Chemical
Ayalysis
|
Physical
Properties
|
Thermal
Properties
|
Area of
Application
|
Al2O3
Min
(%)
|
Fe2O3
Max
(%)
|
AP
Max.
(%)
|
BD
(Avg.)
(g/cc)
|
CCS
Min
(kg/cm2)
|
PCE
Min
Ort/oC
|
RUL
Min
(taoC)
|
PLC
Max.
(%)/C
|
Cement
Plants
|
Steel
Plants
|
Others
|
HA 40
|
40
|
2.0
|
22
|
2.20
|
3.50
|
32/33
17171743
|
|
|
Pro-Calcinet,
Calcination
Zone &
Regonorators
|
Sponge Iron
Kilns,
Rider
Arches
|
Uptakes &
Rogonerators
O4 GlassTancs
|
HA 45
|
45
|
4.5
|
19
|
2.25
|
400
|
33/34
1743/1763
|
|
|
|
|
Anode Baking
& Metallurigical
Furnaces Limo
Rotary Kilns,
Ceramic &
Roasting Kilns
|
HA 50
|
50
|
2.0
|
21
|
2.35
|
350
|
34/1763
|
1420
|
0.5/1400
|
Prebaming
Zone
|
Reheat
Furnaces
Roofs
|
Aluminium
Furnaces
Copper Rever
Beratory Furnaces
& Incinerarors
|
HA 60
|
60
|
2.0
|
21
|
2.50
|
400
|
36/34
1804/1820
|
1450
|
0.5/1400
|
Preburning
Zone
|
Open Hearth
& Reheat
Furnaces
|
Incinerators
& Various Melting
Furances
|
HA 70
|
70
|
2.5
|
23
|
2.60
|
500
|
37/1820
|
1480
|
2.5/1500
|
Burning
Zone
|
Euroof &
Steel Ledles
|
Metallurgical
Furnaces
|
Note:
- Size Tolerance: +/- 1.5% or +/-2 mm whichever is greater
- Above specified values related to machine prossed standard bricks
- PLC Values are for specimens heated at given temperature for 2 hours.
- HA - High Alumina.
|
