Chapter 7406 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 74.06
Atomized Copper Powder -15 Micron
Atomized copper powder with a 15 micron average particle size and spherical, non-lamellar morphology. It is used in powder metallurgy and thermal spray coatings, and falls under tariff item 7406.10.00 as a powder of non-lamellar structure.
7406.10.00Copper Powder for 3D Metal Printing
Spherical copper powder optimized for selective laser melting (SLM) 3D printing, with non-lamellar structure for excellent powder bed density and laser absorption. It falls under tariff item 7406.10.00 as a non-lamellar copper powder.
7406.10.00Copper Powder for MIM Applications
Ultra-fine spherical copper powder for metal injection molding (MIM) with narrow particle distribution and non-lamellar structure. It provides optimal packing density in MIM feedstocks and is classified under tariff item 7406.10.00.
7406.10.00Electrolytic Copper Powder 10-44 Microns
Dendritic copper powder produced by electrolytic deposition, with irregular but non-lamellar structure, in a 10-44 micron particle size range. It is used in friction materials and carbon brushes, and falls under tariff item 7406.10.00.
7406.10.00Gas Atomized Copper Alloy Powder C11000
Gas atomized C11000 copper alloy powder with spherical non-lamellar particles, containing 99.9% copper with controlled oxygen. It is used for brazing and powder metallurgy, and falls under tariff item 7406.10.00.
7406.10.00High Purity OFHC Copper Powder
Oxygen-Free High Conductivity (OFHC) copper powder with less than 5 ppm oxygen and non-lamellar spherical morphology. It is used in high-performance electronics and superconductors, and falls under tariff item 7406.10.00.
7406.10.00Spherical Copper Powder 99.9% Pure
High-purity spherical copper powder with 99.9% purity, produced via gas atomization for uniform particle size. It is used in additive manufacturing and metal injection molding, and falls under tariff item 7406.10.00.
7406.10.00Thermal Spray Copper Powder -45+150 Mesh
Spherical copper powder in 45+150 mesh range for HVOF and plasma thermal spray applications. Its non-lamellar structure provides consistent melt behavior and coating density, and it falls under tariff item 7406.10.00.
7406.20.00Aluminum-Bronze Lamellar Flakes
Aluminum-bronze lamellar flakes are thin, flat particles of a copper-aluminum alloy, prized for their corrosion resistance in marine and anti-fouling coatings. Their lamellar structure and copper-based composition place them squarely under tariff item 7406.20.00, which covers copper alloy powders of lamellar structure.
7406.20.00Brass Flake Pigment (Copper-Zinc Lamellar)
Brass flake pigment consists of lamellar copper-zinc alloy flakes, typically 85% copper and 15% zinc, used to create gold-tone metallic effects in automotive paints. As a copper-zinc base alloy with a lamellar structure, it falls under tariff item 7406.20.00 for copper alloy flakes.
7406.20.00Bronze Flake Powder (Copper-Tin Lamellar)
Bronze flake powder consists of lamellar copper-tin alloy flakes, typically 88% copper and 12% tin, used in corrosion-resistant specialty coatings. Its copper-tin base alloy composition and lamellar structure classify it under tariff item 7406.20.00 for copper alloy flakes.
7406.20.00Copper Flake for Powder Metallurgy Lubricant
Copper flake for powder metallurgy lubricant consists of lamellar copper flakes used as solid lubricants in pressing operations for bearings. These flakes, being of copper with a lamellar structure, are classified under tariff item 7406.20.00 as copper powders of lamellar structure.
7406.20.00Copper Flake Pigment for Paints
Copper flake pigment consists of thin, lamellar copper flakes used to produce shimmering metallic effects in industrial paints and coatings. As pure copper flakes with a lamellar structure, they fall under tariff item 7406.20.00, which specifically covers copper powders of lamellar structure.
7406.20.00Copper Leaf Flakes for Decorative Coatings
Copper leaf flakes for decorative coatings are imitation copper leaf in flake form, used in architectural coatings and faux finishing to provide a metallic luster. As lamellar copper flakes, they are classified under tariff item 7406.20.00, which covers copper powders of lamellar structure.
7406.20.00Copper-Phosphorus Flake Brazing Alloy
Copper-phosphorus flake brazing alloy consists of lamellar flakes of a copper-phosphorus alloy (93/7), used for brazing joints in HVAC and refrigeration systems. As a copper-base alloy with a lamellar structure, it is classified under tariff item 7406.20.00 for copper alloy flakes.
7406.20.00High-Purity Lamellar Copper for EMI Shielding
High-purity lamellar copper for EMI shielding consists of 99.9% pure copper flakes engineered for use in electromagnetic interference shielding paints for electronics housings. These flakes, being of refined copper with a lamellar structure, fall under tariff item 7406.20.00.
7406.20.00Lamellar Copper Powder for Friction Materials
Lamellar copper powder for friction materials consists of flake-structured copper powder used in brake pads and clutch friction compounds to enhance thermal conductivity. As copper flakes with a lamellar structure, they are classified under tariff item 7406.20.00.
7406.20.00Micronized Copper Flakes for Epoxy Conductors
Micronized copper flakes for epoxy conductors are ultra-fine lamellar copper flakes (5-15 micron) used to create electrically conductive epoxy adhesives and coatings. These flakes, being of copper with a lamellar structure, are classified under tariff item 7406.20.00.
7406.20.00Nickel Silver Flake Powder
Nickel silver flake powder consists of lamellar copper-nickel-zinc alloy flakes (65/18/17), used in high-end decorative metallic coatings. As a copper-nickel-zinc base alloy with a lamellar structure, it falls under tariff item 7406.20.00 for copper alloy flakes.
7406.20.00Oriented Copper Flakes for Plastics
Oriented copper flakes for plastics are mechanically oriented lamellar copper flakes used in injection-moldable metallic plastic composites. As copper flakes with a lamellar structure, they are classified under tariff item 7406.20.00.
7406.20.00Recycled Copper Flake from Manufacturing Scrap
Recycled copper flake from manufacturing scrap consists of lamellar copper flakes recovered from precision stamping scrap, reprocessed for pigment and conductive applications. As copper flakes with a lamellar structure, they are classified under tariff item 7406.20.00.
7406.20.00Ultra-Thin Copper Flakes for Printed Electronics
Ultra-thin copper flakes for printed electronics are sub-micron thick lamellar copper flakes used in inkjet printable electronics and flexible circuitry. These flakes, being of copper with a lamellar structure, are classified under tariff item 7406.20.00.
7406.20.00Vacuum-Deposited Copper Flakes
Vacuum-deposited copper flakes are PVD-produced lamellar copper flakes offering ultra-high purity for optical thin-film applications. As copper flakes with a lamellar structure, they are classified under tariff item 7406.20.00.