Cobalt oxides and hydroxides; commercial cobalt oxides.
Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2O3. > Cobalt oxides and hydroxides; commercial cobalt oxides. > Cobalt oxides and hydroxides; commercial cobalt oxides.
Duty Rate (from China)
Products classified under Tariff item 2822.00.00
Battery-Grade Cobalt Tetroxide
Battery-grade cobalt tetroxide (Co3O4) is a high-purity, chemically defined cobalt oxide used as a precursor in lithium-cobalt-oxide cathodes for electric vehicle batteries. It meets Chapter 28's criteria for separate chemically defined compounds and is not excluded by the chapter's legal notes. This tariff item covers cobalt oxides and hydroxides, including commercial grades.
Co3O4 Catalyst Precursor for Chemical Synthesis
Calcined cobalt tetroxide used as a precursor for supported cobalt catalysts in Fischer-Tropsch synthesis is a chemically defined Co3O4. It falls under the tariff item as a cobalt oxide, meeting Chapter 28's criteria. The chapter notes do not exclude it, and it is not covered by other headings.
Cobalt Green Oxide Pigment
Cobalt green oxide pigment is a cobalt zinc oxide (CoZnO) blend used as a green ceramic pigment. While it contains cobalt oxide, it is a mixture of metal oxides rather than a single chemically defined cobalt oxide or hydroxide. It may still qualify as a commercial cobalt oxide if the cobalt oxide content is predominant and it meets the heading's scope.
Cobalt Hydroxide (Co(OH)2)
Cobalt hydroxide (Co(OH)2) is a rose-colored powder used as a battery precursor and in metallurgy. It is a separate chemically defined compound of cobalt, explicitly covered by the tariff item's description of cobalt hydroxides. It meets Chapter 28's criteria for inorganic compounds and is not excluded by the chapter notes.
Cobaltic Hydroxide
Cobaltic hydroxide (Co(OH)3) is an unstable hydroxide used in specialty oxidants and research. It is a separate chemically defined compound of cobalt and falls under the tariff item's scope for cobalt hydroxides. Chapter 28's notes do not exclude this compound, and it is not covered by other headings.
Cobalt(II,III) Oxide (Co3O4)
Cobalt(II,III) oxide (Co3O4), also known as tricobalt tetraoxide, is an olive-black powder used in battery cathodes and pigments. It is a separate chemically defined compound of cobalt, meeting Chapter 28's criteria. The tariff item explicitly includes cobalt oxides, and this product is not excluded by the chapter's legal notes.
Cobalt(II, III) Oxide Powder
High-purity cobalt(II,III) oxide (Co3O4) in fine powder form is used as a precursor in ceramics and battery production. It is a chemically defined inorganic compound, meeting Chapter 28's criteria. The tariff item covers cobalt oxides, and the chapter notes do not exclude it.
Cobalt(II) Oxide (CoO)
Cobalt(II) oxide (CoO) is a chemically defined inorganic compound of cobalt used as a precursor in ceramics and glass coloring. It falls under the tariff item as a pure cobalt oxide, distinct from commercial grades with impurities. Chapter 28's notes allow separate chemically defined compounds, and CoO is not excluded.
Cobalt Tetroxide Black Pigment for Glass Manufacturing
Synthetic black cobalt(II,III) oxide pigment powder for glass coloring is a chemically defined Co3O4. It falls under the tariff item as a cobalt oxide, meeting Chapter 28's criteria. The chapter notes do not exclude it, and it is not a prepared pigment.
Commercial Cobalt Litharge
Commercial cobalt litharge is an impure cobalt monoxide (CoO) used for glass decolorizing. The tariff item explicitly covers 'commercial cobalt oxides,' which includes lower-purity grades. It meets Chapter 28's scope as a commercial oxide, and the chapter notes do not exclude it.
Commercial Cobalt Oxide Black
Commercial cobalt oxide black is an impure Co3O4 grade used in porcelain enamels and catalysts. The tariff item explicitly includes 'commercial cobalt oxides,' covering lower-purity grades. It meets Chapter 28's scope, and the chapter notes do not exclude it.
Commercial Cobalt Tetroxide for Porcelain Glazes
Commercial-grade Co3O4 powder formulated for blue coloration in ceramic glazes and porcelain enamels is a commercial cobalt oxide. The tariff item explicitly covers commercial cobalt oxides, and it meets Chapter 28's scope. The chapter notes do not exclude it.
High-Purity Cobalt(II, III) Oxide for Lithium Batteries
Ultra-high purity (>99.9%) cobalt tetroxide nanoparticles used as a cathode active material precursor in lithium cobalt oxide batteries is a chemically defined Co3O4. It falls under the tariff item as a cobalt oxide, meeting Chapter 28's criteria. The chapter notes do not exclude it.
Hydrated Cobalt Oxide
Hydrated cobalt oxide is a partially hydrated CoO used in chemical synthesis and animal feed supplements. It is a cobalt hydroxide/oxide mixture, falling under the tariff item's scope for cobalt oxides and hydroxides. Chapter 28's notes allow such compounds, and it is not excluded.
Nanopowder Cobalt Oxide
Nanopowder cobalt oxide (Co3O4) with particles under 100nm is used for supercapacitors and sensors. It is a chemically defined cobalt oxide, meeting Chapter 28's criteria. The tariff item covers cobalt oxides regardless of particle size, and the chapter notes do not exclude nanomaterials.