Other
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals. > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2846.90
Cerium and Lanthanum Oxide Mixture
A homogeneous mixture of cerium oxide (CeO2) and lanthanum oxide (La2O3), both rare-earth oxides, used in catalytic converters and glass polishing. This product is a compound of rare-earth metals and falls under tariff item 2846.90.00 as an 'other' rare-earth compound.
2846.90.00Cerium-Lanthanum Chloride Mixture
An anhydrous blend of cerium chloride (CeCl3) and lanthanum chloride (LaCl3) used as a precursor in chemical synthesis and catalyst production. This mixture of rare-earth metal chlorides falls under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00Didymium Oxide with Lanthanum Enrichment
An enriched didymium oxide where lanthanum content is selectively increased to 52% (neodymium 30%, praseodymium 15%, others 3%), used in fiber optic amplifiers. This lanthanum-predominant rare-earth oxide mixture falls under tariff item 2846.90.00 as a compound of rare-earth metals.
2846.90.00Dysprosium Oxide (Dy2O3) Technical Grade
Technical grade dysprosium oxide (Dy2O3) used in permanent magnets and laser materials. This chemically defined rare-earth oxide of dysprosium is classifiable under 2846.90.00, excluding cerium compounds per subheading notes.
2846.90.00Dysprosium-Terbium Chloride Mixture
A mixture of dysprosium chloride (DyCl3) and terbium chloride (TbCl3) used in magneto-optic applications. This combination of rare-earth metal chlorides is classified under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00Erbium Oxide (Er2O3) 99.9% Pure
Erbium oxide (Er2O3) at 99.9% purity for fiber optic amplifiers and pink glass coloring. This chemically defined rare-earth oxide of erbium is classifiable under 2846.90.00, excluding cerium compounds.
2846.90.00Europium Oxide (Eu2O3) High Purity
High-purity europium oxide (Eu2O3) used as a red phosphor activator in fluorescent lamps and displays. This chemically defined rare-earth oxide of europium is classifiable under 2846.90.00, provided it is not put up as a finished luminophore.
2846.90.00Gadolinium Oxide (Gd2O3) 99.99% Pure
Ultra-pure gadolinium oxide (Gd2O3) at 99.99% purity for MRI contrast agents and phosphors. This chemically defined rare-earth oxide of gadolinium is classifiable under 2846.90.00, excluding cerium compounds.
2846.90.00High-Purity Lanthanum-Rich Mischmetal Oxide
A refined oxide mixture from mischmetal processing with lanthanum oxide at 55%, didymium oxides (neodymium/praseodymium) 35%, and traces of samarium/gadolinium, excluding cerium. This lanthanum-predominant rare-earth oxide mixture falls under tariff item 2846.90.00.
2846.90.00High-Purity Scandium-Yttrium Oxide Blend
A blend of scandium and yttrium oxides with one metal predominant, used in high-strength aluminum-scandium alloys. This mixture of rare-earth oxides is classifiable under 2846.90.00 as a chemically defined mixture, provided it is not put up for retail sale as a preparation.
2846.90.00High-Purity Yttrium Chloride
High-purity yttrium chloride (YCl3) at 99.99% purity is a chemically defined inorganic compound of the rare-earth metal yttrium. It is used in electronics and photonics applications. This product is classified under tariff item 2846.90.00 as a rare-earth compound not elsewhere specified.
2846.90.00Holmium Oxide (Ho2O3) High Purity
High-purity holmium oxide (Ho2O3) used in optical glass and calibration standards. This chemically defined rare-earth oxide of holmium is classifiable under 2846.90.00, excluding cerium compounds.
2846.90.00Holmium-Thulium Oxide Mixture
A heavy rare-earth oxide mixture of holmium oxide (Ho2O3) and thulium oxide (Tm2O3) used in laser applications. This product falls under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00La2O3-Ne2O3-Pr6O11 Ternary Oxide Blend
A precisely blended mixture of lanthanum oxide (50%), neodymium oxide (30%), and praseodymium oxide (20%), engineered for optical glass doping where lanthanum predominates. This rare-earth oxide mixture falls under tariff item 2846.90.00 as a compound of rare-earth metals.
2846.90.00Lanthanum-Cerium-Yttrium Oxide Ternary Mixture
A ternary powder mixture of lanthanum oxide, cerium oxide, and yttrium oxide used in advanced ceramics and fuel cells. This product is a compound of rare-earth metals and falls under tariff item 2846.90.00 as an 'other' rare-earth compound.
2846.90.00Lanthanum-Dominant Rare Earth Oxide Mixture
A chemically defined mixture of rare-earth oxides where lanthanum oxide (La2O3) is the predominant component, typically containing 40-60% lanthanum oxide alongside smaller amounts of neodymium, praseodymium, and cerium oxides. This product falls under tariff item 2846.90.00.
2846.90.00Lanthanum Predominant REO for Ceramic Scintillators
A specialty rare-earth oxide blend (lanthanum 60%, gadolinium 25%, europium 15%) optimized for scintillator ceramics in medical imaging. This lanthanum-dominant mixture excluding cerium oxides falls under tariff item 2846.90.00 as a compound of rare-earth metals.
2846.90.00Lutetium Oxide (Lu2O3) Scintillator Grade
Lutetium oxide (Lu2O3) in scintillator grade is a chemically defined inorganic compound of the rare-earth metal lutetium. It is used primarily in PET scanner scintillators and as a catalyst. This product falls under tariff item 2846.90.00 as an inorganic compound of a rare-earth metal, not elsewhere specified.
2846.90.00Mixed Heavy Rare Earth Oxide (HREO) Non-Cerium
Mixed heavy rare-earth oxides (HREO) excluding cerium, containing oxides of dysprosium, terbium, holmium, erbium, thulium, ytterbium, lutetium, and yttrium, are used in advanced magnet production. This mixture is classified under tariff item 2846.90.00 as a mixture of rare-earth metal oxides, not elsewhere specified.
2846.90.00Mixed Rare-Earth Chloride Blend (La/Ce/Pr/Nd)
A chloride salt mixture containing lanthanum chloride, cerium chloride, praseodymium chloride, and neodymium chloride, derived from rare-earth mineral processing. This mixture of rare-earth metal chlorides falls under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00Mixed Rare-Earth Oxide (REO) Bastnasite Concentrate
A calcined bastnasite-derived mixture of light rare-earth oxides (cerium, lanthanum, neodymium, praseodymium) used in various industrial applications. This product is a compound of rare-earth metals and falls under tariff item 2846.90.00 as an 'other' rare-earth compound.
2846.90.00Mixed Yttrium-Europium Oxide for Phosphors
Mixed yttrium-europium oxide for red phosphors in LED lighting, with yttrium predominant. This rare-earth oxide mixture is classifiable under 2846.90.00, provided it is not put up as a finished luminophore of heading 32.06.
2846.90.00Neodymium Oxide (Nd2O3) 99.5% Purity
Neodymium oxide (Nd2O3) at 99.5% purity is a chemically defined inorganic compound of the rare-earth metal neodymium. It is used for glass coloring and in the production of NdFeB magnets. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Neodymium-Praseodymium Chloride Mixture
A didymium chloride mixture of neodymium chloride (NdCl3) and praseodymium chloride (PrCl3), a byproduct of rare-earth separation used in glass coloring and magnets. This mixture of rare-earth metal chlorides falls under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00Praseodymium Oxide (Pr6O11) Powder
Praseodymium oxide (Pr6O11) powder is a chemically defined inorganic compound of the rare-earth metal praseodymium. It is used in ceramic capacitors and welding goggles. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Pure Yttrium Sesquioxide (Y2O3) 99.999%
Pure yttrium sesquioxide (Y2O3) at 99.999% purity, used in laser crystals and microwave filters. This chemically defined inorganic compound of yttrium falls under tariff item 2846.90.00 as a rare-earth oxide, and is not doped for electronic use.
2846.90.00Samarium-Europium Oxide Mixture
A blend of samarium oxide (Sm2O3) and europium oxide (Eu2O3) used in phosphors for displays and lighting. This product is a compound of rare-earth metals and falls under tariff item 2846.90.00 as an 'other' rare-earth compound.
2846.90.00Samarium Oxide (Sm2O3) 99.9% Pure
Samarium oxide (Sm2O3) at 99.9% purity is a chemically defined inorganic compound of the rare-earth metal samarium. It is used in SmCo magnets and nuclear reactor control rods. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Scandium Chloride Anhydrous
Anhydrous scandium chloride (ScCl3) is a chemically defined inorganic compound of the rare-earth metal scandium. It appears as a white to pale yellow powder and is used in various applications. This product is classified under tariff item 2846.90.00 as a rare-earth compound not elsewhere specified.
2846.90.00Scandium-Doped Yttrium Oxide Powder
Scandium-doped yttrium oxide powder for solid-state lighting phosphors. Yttrium remains the predominant metal, classifying this mixture as a rare-earth oxide under 2846.90.00, provided it is not put up as a finished luminophore.
2846.90.00Scandium Oxide Catalyst Precursor
Scandium oxide used as a precursor in heterogeneous catalysts for organic synthesis. This chemically defined inorganic compound of scandium is classifiable under 2846.90.00, as it is not an organo-inorganic compound and meets Chapter 28 requirements.
2846.90.00Scandium Oxide (Sc2O3) High Purity
High-purity scandium oxide (Sc2O3) powder for aerospace alloys and solid oxide fuel cells. This chemically defined rare-earth oxide of scandium is classifiable under 2846.90.00, excluding any doped electronic forms.
2846.90.00Terbium Oxide (Tb4O7) Powder
Terbium oxide (Tb4O7) powder is a chemically defined inorganic compound of the rare-earth metal terbium. It is used in green phosphors for lighting and magneto-optic materials. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Thulium Oxide (Tm2O3) Powder
Thulium oxide (Tm2O3) powder is a chemically defined inorganic compound of the rare-earth metal thulium. It is used in X-ray phosphors and lasers. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Ytterbium Oxide (Yb2O3) 99.99%
Ytterbium oxide (Yb2O3) at 99.99% purity is a chemically defined inorganic compound of the rare-earth metal ytterbium. It is used for doping in ceramics and atomic clocks. This product is classified under tariff item 2846.90.00 as a rare-earth oxide not elsewhere specified.
2846.90.00Yttria-Stabilized Zirconia Precursor Powder
Yttrium oxide-based powder mixture used as a precursor for yttria-stabilized zirconia in dental and thermal barrier coatings. With yttrium as the predominant rare-earth metal, this oxide mixture is classifiable under 2846.90.00, prior to any further processing.
2846.90.00Yttrium and Gadolinium Oxide Mixture
A powdered blend of yttrium oxide (Y2O3) and gadolinium oxide (Gd2O3), chemically defined rare-earth oxides for use in ceramics, superconductors, and phosphors. This product falls under tariff item 2846.90.00 as a compound of rare-earth metals, not elsewhere specified.
2846.90.00Yttrium-Dominant Rare-Earth Oxide Sputtering Target Material
Yttrium-dominant mixed rare-earth oxide powder for thin-film deposition in optics. This chemically defined oxide mixture is classifiable under 2846.90.00 before target fabrication, as it is not yet put up as a sputtering target.
2846.90.00Yttrium Oxide for Superconductor Doping
Ultra-high purity Y2O3 powder doped into YBCO high-temperature superconductors. This yttrium-predominant rare-earth oxide is classifiable under 2846.90.00 in its unworked powder form, per Chapter 28 notes.
2846.90.00Yttrium Oxide Powder (Y2O3)
High-purity yttrium oxide powder (Y2O3) used in ceramics, superconductors, and phosphors for electronics. This chemically defined inorganic compound of yttrium is classifiable under 2846.90.00, meeting Chapter 28 definitions for rare-earth oxides.