Products
All technical data presented represent typical results, unless stated otherwise as min/max values.
No guarantee is made that material will meet exactly the values shown.
Aluminum Oxide, 99.99% ultrafine, TM-DAR
| Properties | Method | ||
|
Crystal Form |
alpha-Al2O3 |
Powder XRD |
|
|
Surface Area (m2/g) |
14.5 ? 1 |
BET |
|
|
Average Particle Size (?m) |
0.2 ? 0.05 |
Sedigraph |
|
|
Bulk Density |
Loose (g/cc) |
0.9 ? 0.1 |
JIS |
|
Tapped (g/cc) |
1.0 ? 0.1 |
JIS |
|
|
Pressed (g/cc) |
2.25 ? 0.1 |
Molding pressure: 1 ton/cm2 |
|
|
Fired Density (g/cc) |
> 3.95 |
Fired for 1 h @ 1350°C in air |
|
|
Impurities |
Na (ppm) |
< 15 |
Flame Spectroscopy |
|
K (ppm) |
< 10 |
Flame Spectroscopy |
|
|
Fe (ppm) |
< 20 |
ICP emission spectrophotometry |
|
|
Ca (ppm) |
< 5 |
ICP emission spectrophotometry |
|
|
Mg (ppm) |
< 5 |
ICP emission spectrophotometry |
|
|
Si (ppm) |
< 25 |
ICP emission spectrophotometry |
|
|
Purity (Al2O3 %) |
> 99.99 |
Excluding ignition loss |
|
TM-DAR is spherical powder.