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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If over 85% yttrium oxide equivalent
Concentrated yttria versions use the high-purity subheading.
If assembled into electrical insulators
Finished ceramic insulators from such compounds go to Chapter 85.
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Import Tips & Compliance
• Provide phase diagram or XRD data for compound verification
• Avoid classifying as finished ferrite under 8504
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.
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.
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.