| Typical Analysis |
| (AlO2) |
95.5
% |
| (TiO2) |
2.70 |
| (SiO2) (not free) |
0.67 |
| (Fe2) |
0.25 |
|
 |
| Characteristics |
|
Crystal Form
|
Alpha Alumina |
| Specific Gravity |
3.95 grm/cc |
| Bulk Density |
132 lbs/ ft3 (depends
on size) |
| Hardness |
KNOPPS
= 2000, MOHS = 9 |
| Melting Point |
2,000° C |
|
| |
| Sizes |
|
|
|
Brown Aluminum
Oxide is graded to ANSI Standards Table
2 or 3 or FEPA sized P or F.
The following Grit are available:
|
| |
|
|
|
| Macro grades |
|
|
|
| ANSI, FEPA F or
P 8, 10, 12, 14, 16, 20, 24, 30, 36, 46,
54, 60, 70, 80, 90, 100, 120, 150, 180, 220,
240. |
| |
|
|
|
| Micro grades |
|
|
|
| FEPA F sized : 280,
320, 360, 400, 500, 600, 800, 1000, 1200
and Micron sized in 30, 27, 25, 22, 20, 17,
14, 12, 9, 5, 3, 1. |
|
| |
Macro
Graded