CN code
2818 10 91 20
Artificial corundum, whether or not chemically defined, with < 50 % of the total weight having a particle size > 10 mm (excl. with an aluminium oxide content >= 98,5% by weight "high purity")
Position in the nomenclature
- └ INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
- └ Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide
- └ Artificial corundum, whether or not chemically defined
- └ With an aluminium oxide content of less than 98,5 % by weight
- └ With less than 50 % of the total weight having a particle size of more than 10 mm
- └ 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 oxides) of: <br><br>- 92 % or more, but less than 98,5 % of aluminium oxide, <br><br>- 2 % (± 1,5 %) of magnesium oxide, <br><br>- 1 % (± 0,6 %) of yttrium oxide, and <br><br>- either 3 % (± 2,2 %) of lanthanum oxide or <br><br>- 2 % (± 1,2 %) of lanthanum oxide and neodymium oxide, with less than 50 % of the total weight having a particle size of more than 10 mm
Export restrictions and tariff measures
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See also
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