Yttrium Oxide for Superconductor Doping
Ultra-high purity Y2O3 powder doped into YBCO high-temperature superconductors. Classified under 2846.90.20.15 for yttrium-predominant rare-earth oxides, unworked form per chapter notes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped into wafers or rods for electronics
Processed electronic forms of doped elements per chapter note.
If in finished superconductor components
Electrical machinery parts in Chapter 85.
If radioactive isotopes or compounds
If containing radioactive rare-earth isotopes, shifts to 2844 per note 4.
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Import Tips & Compliance
• Provide 99.99%+ purity certificates; declare research vs commercial end-use
• Check EAR/ITAR for superconductor applications
Related Products under HTS 2846.90.20.15
Yttrium Oxide Powder (Y2O3)
High-purity yttrium oxide powder used in ceramics, superconductors, and phosphors for electronics. Classified under HTS 2846.90.20.15 as a rare-earth oxide with yttrium as the predominant metal, meeting Chapter 28 definitions for chemically defined inorganic compounds. Excludes mixtures with organic stabilizers or other exclusions in chapter notes.
Scandium Oxide (Sc2O3) High Purity
Scandium oxide powder, predominant scandium rare-earth oxide used in aerospace alloys and solid oxide fuel cells. Fits HTS 2846.90.20.15 as a mixture or pure rare-earth oxide with scandium predominant, distinct from cerium oxides or complex salts.
Yttria-Stabilized Zirconia Precursor Powder
Yttrium oxide-based powder mixture used as precursor for yttria-stabilized zirconia in dental and thermal barrier coatings. Classified in 2846.90.20.15 due to yttrium as predominant rare-earth metal in oxide form, prior to ceramic sintering.
Mixed Yttrium-Europium Oxide for Phosphors
Rare-earth oxide mixture with yttrium predominant, doped with europium for red phosphors in LED lighting. HTS 2846.90.20.15 applies to such yttrium-dominant rare-earth oxide mixtures, excluding luminophores in finished form.
High-Purity Scandium-Yttrium Oxide Blend
Blend of scandium and yttrium oxides with one predominant for use in high-strength aluminum-scandium alloys. Fits 2846.90.20.15 as rare-earth oxides containing yttrium or scandium as the main metal, chemically defined per Chapter 28.
Scandium Oxide Catalyst Precursor
Scandium oxide used as precursor in heterogeneous catalysts for organic synthesis. HTS 2846.90.20.15 for scandium-predominant rare-earth oxides, excluding organo-inorganic compounds.