Código tarifário aduaneiro 2818101140

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 98,5% aluminium oxide, other than with an aluminium oxide content of 99,6% or more by weight, having a microcrystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0

Hierarquia da classificação tarifária

  1. 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
  2. 2818 Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide
  3. 281810 Artificial corundum, whether or not chemically defined
  4. 28181011 With an aluminium oxide content of 98,5|% by weight or more
  5. 28181011 With less than 50|% of the total weight having a particle size of more than 10|mm
  6. 2818101140 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 98,5% aluminium oxide, other than with an aluminium oxide content of 99,6% or more by weight, having a microcrystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0

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