 |
PRODUCT &
ITS USAGES :
India is one of the few
countries which is endowed with abundant natural mineral resources.
The minerals are of three types. Fuel Minerals. Metalic Minerals
and Non-Metalic minerals.
Bauxite is one of the basic metalic minerals. Though aluminium
(in crude from) is one of the most predominant elements in the
earth's crust. Bauxite is the only ore which is commercially
used for the extraction of alumina, the basic raw material for
aluminum production.
Refractory & Abrasive grade Calcined Bauxite being manufactured
out of High grade Raw Bauxite duly heated upto 1200*/1500* Temp
as required for uses, which are the main raw materials for Refractories
Plants Abrasive units, Steel Plants, mortar etc.
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|
|
| |
ROTARY
KILN
|
SHAFT
KILN
|
|
CALCINED
BAUXITE
|
GENERAL
GRADE
|
LOW
FERRIC
|
ABRASIVE
GRADE
|
SCAY
|
SCAY-H
|
|
Al2O3
|
85-86%
|
85-88%
|
85-87%
|
75-76%
|
77-80%
|
|
Fe2O3
|
3.6%
max
|
2.5-2.6%
max
|
4.0%
max
|
4.5%
max
|
4.5%
max
|
|
SiO2
|
3.6%
max
|
3.6%
max
|
3.6%
max
|
7.0%
max
|
7.0%
max
|
|
TiO2
|
4.6%
max
|
4.6%
max
|
4.8%
max
|
4.5%
max
|
4.5%
max
|
|
CaO
|
2.2%
max
|
2.2%
max
|
1.2%
max
|
2.6%
max
|
2.6%
max
|
|
MgO
|
0.3%
max
|
0.3%
max
|
0.25%
max
|
0.3%
max
|
0.3%
max
|
|
LOI
|
0.4%
max
|
0.4%
max
|
0.8%
max
|
1.6%
max
|
0.9%
max
|
|
Bulk
Density
gm/cc
|
3-3.1
|
3-3.1
|
2.6-2.8
|
2.6
to 2.75
|
2.85
|
|
|
|
|
RAW BAUXITE
|
CEMENT
GRADE
|
METAL
GRADE
|
|
Al2O3
|
48-50%
min
|
48-50%
max
|
|
Fe2O3
|
10%
min
|
10%
min
|
|
SiO2
|
5-7%
max
|
4%
max
|
|
TiO2
|
3.5%
max
|
3.5%
max
|
|
CaO
|
2.5-3%
|
2%
max
|
|
LOI
|
29%
max
|
28-30%
max
|
|
Size
|
0-100
mm
|
+5-100
mm
|
|
Moisture
|
5%
max
|
5%
max
|
|
