Copper oxides and hydroxides
Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. > Copper oxides and hydroxides > Copper oxides and hydroxides
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2825.50
Battery Grade Cuprous Oxide Nanoparticles
Nano-scale cuprous oxide (Cu2O) particles (20-50 nm) for lithium-ion battery electrode materials and supercapacitors. It is a chemically defined copper oxide under tariff item 2825.50.00, classified by composition regardless of particle size.
2825.50.00Copper Hydroxide Crystals
Synthetic copper hydroxide crystals serve in laboratory reagents and pigment synthesis with high purity. It is a pure inorganic copper hydroxide, excluding cultured crystals over 2.5g per notes, and falls under tariff item 2825.50.00.
2825.50.00Copper Hydroxide Flakes
Copper hydroxide in flake form, a chemically defined inorganic compound (Cu(OH)2), used in water treatment to precipitate heavy metals and in dye manufacturing. It falls under tariff item 2825.50.00 as a copper oxide or hydroxide, meeting the purity and form requirements of Chapter 28.
2825.50.00Copper(II) Hydroxide Powder
Copper(II) hydroxide powder, a blue-green crystalline chemically defined compound, used as a precursor in pigment manufacturing and as a fungicide base in agriculture. Classified under 2825.50.00 as a copper hydroxide, provided it is not put up for retail sale as a pesticide.
2825.50.00Cupric Hydroxide Technical Grade
Technical-grade cupric hydroxide, an industrial chemical used in the production of copper salts and as a catalyst in organic synthesis. It is a chemically defined inorganic compound of copper, classifiable under 2825.50.00, provided it is not mixed with organic substances.
2825.50.00Cupric Oxide Black Powder
High-purity cupric oxide (CuO) in fine black powder form, used primarily as a pigment in ceramics and glass manufacturing. It is a chemically defined copper oxide, falling under tariff item 2825.50.00 as copper oxides and hydroxides.
2825.50.00Cupric Oxide Catalyst Precursor
High-surface-area cupric oxide powder serving as precursor for copper-based catalysts in chemical reactions. It is a pure metal oxide, not a spent catalyst, and falls under tariff item 2825.50.00 as copper oxides and hydroxides.
2825.50.00Cupric Oxide for Animal Feed
Granular cupric oxide supplement providing trace copper for livestock nutrition. It is a pure metal oxide, not a finished feed, and falls under tariff item 2825.50.00 as copper oxides and hydroxides.
2825.50.00Cupric Oxide Nanom powder
Nano-sized cupric oxide particles (<100nm) for advanced materials like sensors and batteries. It is a chemically defined inorganic compound, regardless of particle size, falling under tariff item 2825.50.00 as copper oxides and hydroxides.
2825.50.00Cupric Oxide Sintered Pellets
Sintered cupric oxide pellets used in electronics for sputtering targets and thin-film deposition. This form is chemically defined cupric oxide, not processed beyond basic shaping, and falls under tariff item 2825.50.00.
2825.50.00Cupric Oxide Technical Grade
Technical-grade cupric oxide powder for use in chemical manufacturing and as a catalyst precursor. It is a pure inorganic compound of copper in the +2 oxidation state, falling under tariff item 2825.50.00.
2825.50.00Cuprous Oxide Agricultural Fungicide Active
Technical cuprous oxide powder serving as the active ingredient in copper-based fungicides for crop protection. It is a bulk metal oxide, not a formulated pesticide product, and falls under tariff item 2825.50.00.
2825.50.00Cuprous Oxide Catalyst Precursor
Synthetic cuprous oxide powder used as a precursor in manufacturing copper-based catalysts for organic synthesis reactions. It is a pure metal oxide, prior to activation or support, and falls under tariff item 2825.50.00.
2825.50.00Cuprous Oxide Micronized Powder for Ceramics
Micronized cuprous oxide (Cu2O) particles with average size under 5 microns, used as a colorant in ceramic glazes to produce red hues. It is a chemically defined copper oxide, falling under tariff item 2825.50.00.
2825.50.00Cuprous Oxide Red Pigment Powder
High-purity cuprous oxide (Cu2O) in fine red powder form, used primarily as a pigment in paints, coatings, and antifouling marine paints. It is chemically defined cuprous oxide, a copper oxide, and falls under tariff item 2825.50.00.
2825.50.00Industrial Copper Hydroxide Precipitate
Industrial copper hydroxide precipitate, produced from industrial processes, used in electroplating baths and as a mordant in textiles. It is a chemically defined copper hydroxide compound, not a mixture or organo-inorganic compound, and thus falls under 2825.50.00.
2825.50.00Nano Copper Hydroxide Particles
Nano copper hydroxide particles, engineered at the nanoscale for use in advanced catalysts and antimicrobial coatings due to their high surface area. They are classified under 2825.50.00 as chemically defined copper hydroxide, provided they are in an unworked form as per Chapter 28 Note 8.
2825.50.00Pharmaceutical Grade Cuprous Oxide USP
Ultra-pure cuprous oxide (Cu2O) meeting USP standards for use in pharmaceutical and nutraceutical applications as a trace mineral source. It is a chemically defined inorganic copper oxide, falling under tariff item 2825.50.00.
2825.50.00Synthetic Cupric Oxide Crystals
Laboratory-grown cupric oxide single crystals for optical and research applications. It is chemically defined, excluding cultured crystals over 2.5g of certain halides, and falls under tariff item 2825.50.00.
2825.50.00Technical Grade Cuprous Oxide for Antifouling Paints
Technical-grade cuprous oxide powder (Cu2O) with 97% minimum purity, specifically formulated for use in marine antifouling paints to prevent biofouling on ship hulls. It is pure cuprous oxide, falling under tariff item 2825.50.00.