Chapter 2805 — Customs Tariff Headings

High-Purity Sodium Chunks

High-purity sodium chunks, cut from ingots and packaged under mineral oil to prevent oxidation. These are elemental alkali metal in unworked form, meeting the Chapter 28 definition of a separate chemical element.

Industrial Sodium Spheres

Industrial sodium spheres produced by atomization, with 99.8% purity, supplied in argon-filled ampoules. These are elemental sodium in a distinct physical form, still classified under the same heading as the pure metal.

Laboratory Grade Sodium Wire

Laboratory-grade sodium wire, coiled under kerosene, with 99.99% purity for research use. As a pure elemental alkali metal, it is covered by the heading for sodium, regardless of its wire form.

Sodium Metal Ingots

Sodium metal ingots of 99.9% purity, cast for industrial use in alloy production and chemical synthesis. These are elemental sodium in unworked form, directly classifiable under the sodium heading.

Sodium Metal Rods

Sodium metal rods, extruded for continuous feed systems in chemical manufacturing, stored in oil-filled containers. These are elemental sodium in rod form, still within the scope of the sodium heading as a separate chemical element.

Calcium Metal Granules

Calcium metal granules, produced by thermal reduction of calcium oxide, are a form of elemental calcium. As an alkaline-earth metal, calcium falls under heading 28.05, and this granular form is classifiable under tariff item 2805.12.00.

Calcium Metal Lumps

Calcium metal lumps, typically 98-99% pure, are elemental calcium in an unworked form. They are classifiable under tariff item 2805.12.00 as calcium, an alkaline-earth metal, per Chapter 28 notes.

Calcium Metal Turnings

Calcium metal turnings, fine chips from machining, are a form of elemental calcium. They are classifiable under tariff item 2805.12.00 as calcium, an alkaline-earth metal, provided they are not mixed with other substances.

High-Purity Calcium Ingots

High-purity calcium ingots, 99.9% pure, are elemental calcium in cast form. They are classifiable under tariff item 2805.12.00 as calcium, an alkaline-earth metal, per Chapter 28.

Research-Grade Calcium Metal

Research-grade calcium metal, 99.999% pure, is elemental calcium for laboratory use. It is classifiable under tariff item 2805.12.00 as calcium, an alkaline-earth metal, per Chapter 28 notes.

99.9% Pure Strontium Chunks

Irregular chunks of ultra-high purity strontium metal for laboratory and industrial chemical processing. This elemental alkaline-earth metal is classified under tariff item 2805.19.00 as 'Other' alkali or alkaline-earth metals, excluding rare-earth mixtures or radioactive forms per Chapter 28 definitions.

Barium Evaporation Pellets

Small barium pellets designed for thermal evaporation in thin-film coating applications like vacuum systems. This pure elemental barium is classified under tariff item 2805.19.00 as 'Other' alkaline-earth metal, with high vacuum compatibility due to getter properties.

Barium Metal Ingots

High-purity barium metal cast into ingots, used primarily in the production of alloys and chemicals. This elemental barium is classified under tariff item 2805.19.00 as 'Other' alkaline-earth metal, not interalloyed or in solution.

Barium Metal Powder

Barium metal powder is a finely divided alkaline-earth metal used in vacuum technology and as a getter to remove residual gases. It is classified under tariff item 2805.19.00 as an 'other' alkali or alkaline-earth metal, not in solution or alloyed form.

Barium Metal Rods

Cylindrical barium rods in unworked form, ideal for machining into components or evaporation sources in vacuum deposition. This pure alkaline-earth metal is classified under tariff item 2805.19.00 as 'Other', with purity levels typically above 99%.

Barium Wire (99.5% Purity)

Drawn barium wire in coils, used in specialty alloys and research applications. This pure alkaline-earth metal in unworked drawn form is classified under tariff item 2805.19.00 as 'Other', with diameters typically 1-5mm.

Battery-Grade Lithium Metal Foil

Battery-grade lithium metal foil is thin, high-purity lithium rolled for use as anodes in lithium-metal batteries. It is classified under tariff item 2805.19.00 as an 'other' alkali metal, not further processed into articles.

Calcium Metal Granules

Calcium metal granules are an alkaline-earth metal used as a deoxidizer in steel production and as a reducing agent in metallurgy. They fall under tariff item 2805.19.00 as an 'other' alkali or alkaline-earth metal, excluding solutions or alloys.

Cesium Metal Ampoules

Cesium metal ampoules contain pure cesium sealed in glass to prevent reaction with air, used in atomic clocks and photoelectric cells. As an alkali metal, it is classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or alloyed form.

Francium Metal Sample

Francium metal samples are laboratory-prepared, short-lived radioactive alkali metals used in nuclear research. Due to their radioactivity, they are excluded from heading 28.05 and classified under heading 28.44, not 2805.19.00.

High-Purity Barium Granules

Granular barium metal (99.9% purity) for use in pyrotechnics, getter alloys, and chemical synthesis. This alkaline-earth metal in granular form is classified under tariff item 2805.19.00 as 'Other', excluding alloys or compounds.

High-Purity Lithium Metal Ingots

High-purity lithium metal ingots are elemental lithium in unwrought form, used in battery manufacturing and chemical research. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or alloyed.

High-Purity Strontium Ingots

Strontium metal cast into ingots with purity exceeding 99%, utilized in metallurgical applications and chemical synthesis. This pure elemental alkaline-earth metal falls under tariff item 2805.19.00 as 'Other' alkali or alkaline-earth metals, excluding radioactive forms.

Industrial Lithium Metal Wire

Industrial lithium metal wire is lithium in wire form, used for vapor deposition and alloying. It is classified under tariff item 2805.19.00 as an 'other' alkali metal, unwrought and not further processed.

Industrial Strontium Metal Blocks

Large blocks of commercial-grade strontium metal for alloying in magnesium-strontium applications. This unwrought alkaline-earth metal is classified under tariff item 2805.19.00 as 'Other', prior to alloying processes.

Laboratory Grade Strontium Metal

Small quantities of strontium metal foil or wire for analytical chemistry and research applications. This pure elemental form is classified under tariff item 2805.19.00 as 'Other', with Chapter notes confirming exclusion of doped or compound forms.

Lithium Metal Foil

Lithium metal foil sheets are thin alkali metal used in battery anodes and pharmaceutical intermediates. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, supplied in inert atmosphere packaging.

Lithium Metal Ribbons

Lithium metal ribbons are thin strips of pure, unalloyed lithium used in battery anodes and pharmaceutical intermediates. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or alloyed form.

Magnesium Metal Turnings

Magnesium metal turnings are a by-product of machining operations on magnesium, an alkaline-earth metal. They are used in pyrotechnics, alloying, and as a chemical reducing agent. This product falls under tariff item 2805.19.00 as 'other' alkaline-earth metals, given its form and unalloyed state.

Pharmaceutical-Grade Lithium Metal Chunks

Pharmaceutical-grade lithium metal chunks are small, high-purity lithium pieces used in synthesis of lithium-based pharmaceuticals. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, meeting chemical definitions.

Potassium Metal Chunks

Potassium metal chunks are high-purity alkali metal pieces supplied under inert atmosphere, used in organic synthesis and as reducing agents. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or interalloyed.

Radium Metal (Depleted)

Depleted radium metal is an alkaline-earth metal that has been depleted of its most radioactive isotopes, used for research purposes. If non-radioactive, it falls under tariff item 2805.19.00 as an 'other' alkaline-earth metal; if radioactive, it is excluded.

Research-Grade Barium Chunks

Irregular chunks of 99.99% pure barium for laboratory research and small-scale alloying. This high-purity elemental alkaline-earth metal is classified under tariff item 2805.19.00 as 'Other', supplied in argon-filled ampoules.

Research-Grade Lithium Metal Rods

Research-grade lithium metal rods are cylindrical lithium pieces used for laboratory synthesis of organolithium reagents. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, supplied in rod form.

Rubidium Metal Dispensers

Rubidium metal dispensers are sealed units containing rubidium, an alkali metal, designed for use as an isotope source in vacuum systems. The dispenser is non-refillable and the rubidium is in its elemental form. This product is classified under tariff item 2805.19.00 as 'other' alkali metals, since rubidium is not separately named in the heading.

Rubidium Metal Pellets

Rubidium metal pellets are an alkali metal used in photoelectronics and specialty alloys. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or specified forms.

Sodium Metal Ingots

Sodium metal ingots are pure alkali metal in solid form, used in chemical synthesis and alloy production. They are classified under tariff item 2805.19.00 as an 'other' alkali metal, not in aqueous solution or specified forms.

Strontium Metal Granules

High-purity strontium metal in granular form, used primarily in the production of strontium compounds for pyrotechnics and alloys. This elemental alkaline-earth metal meets Chapter 28 definitions and is classified under tariff item 2805.19.00 as 'Other'.

Strontium Metal Pieces

Strontium metal pieces are chunks of the alkaline-earth metal strontium, used in fireworks, signal flares, and specialty alloys. The metal is stored under kerosene to prevent reaction with air or moisture. This product falls under tariff item 2805.19.00 as 'other' alkaline-earth metals, as strontium is not individually listed in the heading.

Strontium Metal Powder

Fine powder of high-purity strontium metal for use in pyrotechnic compositions and metal matrix composites. This elemental alkaline-earth metal in powder form is classified under tariff item 2805.19.00 as 'Other', subject to Chapter 28 notes.

Strontium Metal Rods

Cylindrical rods of elemental strontium metal, unworked except for drawing, used in research and alloy production. This pure alkaline-earth metal is classified under tariff item 2805.19.00 as 'Other', distinct from doped forms or finished articles.

Strontium Metal Turnings

Machining turnings and chips of elemental strontium recovered from production, suitable for recycling into compounds. This unwrought strontium metal scrap is classified under tariff item 2805.19.00 as 'Other', not advanced to Chapter 72 or other sections.

Yttrium Metal Powder

Yttrium metal powder is a finely divided form of the rare-earth metal yttrium, used in superconductors, ceramics, and specialty alloys. The powder is handled under inert gas to prevent oxidation. This product is classified under tariff item 2805.19.00 as 'other' rare-earth metals, since yttrium is not separately enumerated in the heading.

99.99% Praseodymium for Magnet Production

Ultra-high purity (4N) praseodymium metal slabs specifically for NdPrFeB permanent magnet manufacturing. These are pure rare-earth metal slabs, not alloyed, and are classified under tariff item 2805.30.00.

Cerium Evaporation Pellets

Small, high-purity cerium pellets designed for thermal evaporation in vacuum systems to create thin films. These are pure cerium pellets in unworked form, not intermixed, and are classified under tariff item 2805.30.00.

Cerium Lump Pieces

Irregular lump pieces of distilled cerium metal, packaged under mineral oil to prevent oxidation. This pure cerium is classified under tariff item 2805.30.00 as a rare-earth metal not intermixed.

Cerium Metal Depleted Ingots

Depleted cerium ingots with low lanthanum content, used as feedstock for polishing powders. These are elemental rare-earth metal in unwrought form, not intermixed or interalloyed, and therefore fall under tariff item 2805.30.00.

Cerium Metal Ingots

High-purity cerium metal cast into ingots, typically 99.9% pure, used in alloy production and as a raw material for cerium compounds. These are pure cerium ingots, not intermixed or interalloyed, and are classified under tariff item 2805.30.00.

Cerium Rods

Cylindrical cerium rods in unworked form, high purity for research and evaporation sources in thin-film deposition. These are pure cerium rods, not intermixed, and are classified under tariff item 2805.30.00.

Distilled Cerium Metal

Vacuum-distilled cerium metal in dendritic form, highest purity for advanced alloys and magnets. This pure cerium rare-earth metal is classified under tariff item 2805.30.00.

Dysprosium Metal Foil

Thin dysprosium foil, an unmixed rare-earth metal with atomic number 66, used to enhance neodymium magnets for electric vehicles. This product is elemental dysprosium, not intermixed or interalloyed, and falls under the tariff item for rare-earth metals.