| 281810 |
Artificial corundum, whether or not chemically defined |
| 28181011 |
With an aluminium oxide content of 98,5|% by weight or more |
| 28181011 |
With less than 50|% of the total weight having a particle size of more than 10|mm |
| 2818101110 |
Sol-Gel corundum (CAS RN 1302-74-5) with an aluminium oxide content of 99,6 % or more by weight, having a micro crystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0 |
| 28181019 |
With 50|% or more of the total weight having a particle size of more than 10|mm |
| 28181091 |
With an aluminium oxide content of less than 98,5|% by weight |
| 28181091 |
With less than 50|% of the total weight having a particle size of more than 10|mm |
| 2818109120 |
Sintered corundum with a micro crystalline structure, consisting of aluminium oxide (CAS|RN|1344-28-1), magnesium aluminate (CAS|RN|12068-51-8) and the rare earth aluminates of yttrium, lanthanum, and neodymium, with a content by weight (calculated as oxi |
| 28181099 |
With 50|% or more of the total weight having a particle size of more than 10|mm |
| 281820 |
Aluminium oxide, other than artificial corundum |
| 2818200010 |
Activated alumina with a specific surface area of at least 350 m²/g |
| 281830 |
Aluminium hydroxide |
| 2818300020 |
Aluminium hydroxide (CAS RN 21645-51-2)
-|in the form of powder
-|with a purity by weight of 99,5|% or more
-|with a decomposition point of 263o C or more
-|with| a particle size of 4|µm (± 1|µm)
-|with a Total-Na2O-content by weight of not more |
| 2818300030 |
Aluminium hydroxide oxide|(CAS RN 1318-23-6) in the form of boehmite or pseudoboehmite |