Alpha Alumina (α-Al2O3)
Iran Alumina Company
Specifications of Alpha Alumina produced by Iran Alumina Company
Alpha Alumina
Calcined alumina (alpha alumina) is widely used in various refractory and ceramic applications. Alpha alumina is an important raw material in several industries, including tile and ceramics, glaze and porcelain, and catalysts.
|
Test method
|
Borderline
|
Typical
|
Scale
|
Parameter
|
|---|---|---|---|---|
|
ISIRI 908 |
Min 0.15 |
0.05 |
% |
SiO2 |
|
ISIRI 904 |
Max 0.20 |
0.07 |
% |
Fe2O3 |
|
ISIRI 10616 |
Max 0.90 |
0.64 |
% |
Na2O |
|
ISIRI 10619 |
Max 0.040 |
0.013 |
% |
CaO |
|
ISO 19950 |
Max 85 |
64 |
% |
αalumina |
|
ISIRI 12578 |
3.3 - 3.9 |
3.6 |
gr/ml |
Specific Gravity |
|
ISO 13320 |
Min 65 |
82 |
% |
-20 μm |
|
ISO 13320 |
Max 5.0 |
2.2 |
% |
+44 μm |
|
ISO 13320 |
5 - 15 |
10 |
μm |
Median |