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Brown Aluminum Oxide is produced by combining of bauxite and
anthracite in the electric arc furnace at high temperature. Belong to the group
of electro-corundum. The product is brown and has a structure that does not
contain iron. The second hardest mineral after diamond. It is resistant to
abrasion. Brown aluminum oxide as used in wet and dry sanding applications are
also widely used in the manufacture of abrasives and sanding stone.
ADVANTAGES OF ALUMINUM OXIDE
·
Due to wide range of sizes can be supplied in a
suitable product for a variety of tasks and applications.
·
Due to the lack of reagents are suitable for
coating applications.
·
High TiO2 (1-4%) thanks to its toughness of
the material ratio (hardness) increases. This feature extends the cutting life,
thanks to increased re-use without breaking, and also decreases the cost.
·
There is no crystalline silica in the Content.
TECHNICAL ANALYSIS |
||
SYMBOL |
CHEMICAL NAME |
RATE |
Al2O3 |
Aluminium Oxide |
95,65 % |
TiO2 |
Titanium Dioxide |
2,42 % |
Fe2O3 |
Iron Oxide |
0,12 % |
SiO2 |
Silicon dioxide |
0,92 % |
CaO |
Calcium Oxide |
0,35 % |
MgO |
Magnesium oxide |
0,22 % |
PHYSICAL PROPERTIES |
|
Color |
Brown |
Hardness |
9 mohs |
Grain structure |
Angular |
Melting point |
App 1950 °C |
Specific weight |
App 5.5 g/cm3 |
Bulk density according to grain size |
App 2.2 – 3.0 g/ cm3 |
Solubility |
Insoluble |
GRAIN SIZE | |
FEPA | Grit Size (μm) |
F 008 | 2000 – 2800 |
F 010 | 1700 – 2360 |
F 012 | 1400 – 2000 |
F 014 | 1180 – 1700 |
F 016 | 1000 – 1400 |
F 020 | 850 – 1180 |
F 022 | 710 – 1000 |
F 024 | 600 – 850 |
F 030 | 500 – 710 |
F 036 | 425 – 600 |
F 040 | 355 – 500 |
F 046 | 300 – 425 |
F 054 | 250 – 355 |
F 060 | 212 – 300 |
F 070 | 180 – 250 |
F 080 | 150 – 212 |
F 090 | 125 – 180 |
F 100 | 106 – 150 |
F 120 | 90 – 125 |
F 150 | 63 – 106 |
F 180 | 63 – 90 |
F 220 | 53 – 75 |
The grain size can be adjusted according to customer demands. |
BLASTING SYSTEM |
Pressure blast systems |
Injection blast cabinets |
PACKAGING SPECIFICATIONS |
25 Kg Package on pallets over 1 Tone |
1 Tone in the Big Bags. |
APPLICATION AREAS |
·
In various sandblasting ·
Remove rust, paint removal ·
Decorating ·
Wear protective |