Sintered Sol-Gel corundum or pre-sintered Sol-Gel with a microcrystalline structure, consisting of aluminium oxide, with a composition by weight (as oxides) of at least 92% but less than 98.5% aluminium oxide
Restriction on entry into free circulation
condition:B,certificate:9011,action:26|condition:B,certificate:9022,action:26|condition:B,certificate:9038,action:26|condition:B,action:06