Yttrium-Doped Yttrium Aluminum Garnet (YAG) Precursor Powder
Powder precursor for YAG crystals with 25% yttrium oxide equivalent, used in laser optics and phosphors. Classified under HTS 2846.90.40.00 as a yttrium-bearing compound in the specified concentration range for rare-earth metals of yttrium. It serves as an intermediate material before sintering into final optical elements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If yttrium oxide equivalent is 19% or less
Lower concentration materials are classified in the '19% or less' subheading for other yttrium compounds.
If cut into optical elements like discs or wafers
Processed into finished optical components, it shifts from Chapter 28 chemicals to Chapter 90 optical articles.
If primarily a niobate or titanate with minor yttrium doping
If the compound is better described as a niobate/titanate salt with incidental yttrium, it falls under heading 2839 for silicates and salts.
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Import Tips & Compliance
• Include spectroscopic analysis certificates proving yttrium content; comply with REACH-like regulations for rare earths
• Watch for dual-use export controls on laser precursors
• Pitfall: classifying as finished phosphor, which may go to 3206
Related Products under HTS 2846.90.40.00
Yttria-Stabilized Zirconia Powder (30% Y2O3)
A fine powder composed of zirconium oxide stabilized with approximately 30% yttrium oxide equivalent, used in manufacturing high-strength ceramics for dental implants and engine components. It falls under HTS 2846.90.40.00 because it is a yttrium-bearing material containing between 19% and 85% yttrium oxide equivalent by weight, classified as a compound of rare-earth metals including yttrium. This intermediate concentration distinguishes it from higher-purity rare earth compounds.
High-Purity Yttrium Oxide-Zirconia Composite Granules (40% Y2O3)
Granular composite of zirconia and 40% yttrium oxide equivalent for thermal barrier coatings in aerospace turbines. This yttrium-bearing material qualifies for HTS 2846.90.40.00 due to its intermediate yttria content in rare-earth compounds, prior to plasma spraying application.
Yttrium Europium Oxide Phosphor Precursor (22% Y2O3 Equiv)
Precursor powder blending yttrium and europium oxides at 22% yttrium oxide equivalent for LED phosphors. Falls under HTS 2846.90.40.00 as a mixture of rare-earth compounds (yttrium and europium) in the 19-85% yttria range, before final phosphor activation.
Yttrium-Stabilized Hafnia Powder for Refractories (28% Y2O3)
Powder of hafnium oxide stabilized with 28% yttrium oxide equivalent, applied in high-temperature refractories. Classified in HTS 2846.90.40.00 for its yttrium-bearing composition within the specified rare-earth concentration limits.
Scandium-Yttrium Alloy Oxide Powder (35% Y2O3 Equiv)
Oxide powder from scandium-yttrium alloy with 35% yttrium oxide equivalent, used in lightweight aerospace alloys. HTS 2846.90.40.00 covers mixtures of rare-earth metals including scandium and yttrium at this concentration.
Yttrium Gadolinium Garnet (YGG) Precursor (45% Y2O3)
Precursor for microwave garnets with 45% yttrium oxide equivalent in yttrium-gadolinium mix. Fits HTS 2846.90.40.00 as a chemically defined rare-earth compound of yttrium in intermediate concentration.