Sintered corundum with a micro crystalline structure, consisting of aluminium oxide (CAS RN 1344-28-1) and magnesium aluminate (CAS RN 12068-51-8), with a content by weight (calculated as oxides) of:

-92 % or more of aluminium oxide, and

-8 % or less of magnesium oxide

Additional duties
condition:B,certificate:9018,action:07|condition:B,action:27