CN2818

28 Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements or of Isotopes

2818 (01/1988-..) Artificial Corundum, Whether or not Chemically Defined, Aluminium Oxide, Aluminium Hydroxide

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28181000 (01/1988-12/1996) Artificial Corundum

28181010 (01/1997-12/2007) Artificial Corundum, Whether or not Chemically Defined, White, Pink or Ruby, With an Aluminium Oxide Content > 97,5% by Weight ‘high Purity’

28181011 (01/2008-..) Artificial Corundum, Whether or not Chemically Defined, With < 50% of the Total Weight Having a Particle Size > 10mm (Excl. With Aluminium Oxide Content < 98,5% by Weight)

28181019 (01/2008-..) Artificial Corundum, Whether or not Chemically Defined, With >= 50% of the Total Weight Having a Particle Size > 10mm (Excl. With an Aluminium Oxide Content < 98,5% by Weight)

28181090 (01/1997-12/2007) Artificial Corundum, Whether or not Chemically Defined (Excl. White, Pink or Ruby, With an Aluminium Oxide Content > 97,5% by Weight ‘high Purity’)

28181091 (01/2008-..) Artificial Corundum, Whether or not Chemically Defined, With < 50% of the Total Weight Having a Particle Size > 10mm (Excl. With an Aluminium Oxide Content >= 98,5% by Weight ‘high Purity’)

28181099 (01/2008-..) Artificial Corundum, Whether or not Chemically Defined, With >= 50% of the Total Weight Having a Particle Size > 10mm (Excl. With an Aluminium Oxide Content >= 98,5% by Weight ‘high Purity’)

28182000 (01/1988-..) Aluminium Oxide (Excl. Artificial Corundum)

28183000 (01/1988-..) Aluminium Hydroxide