HS Code 7406

Copper Powders and Flakes

HS code 7406 identifies copper powders and flakes, both of refined copper and alloys, used in manufacturing, electronics, and pigment production.

4-digit Section XVAir Hazmat 4.1

HS Code 7406 — Copper Powders and Flakes

This code covers copper in extremely fine forms, produced by mechanical grinding or chemical precipitation. These powders and flakes are used in industrial applications like sintered metal bearings, conductive inks, and decorative metallic coatings.

What's included

  • Refined copper powder
  • Brass powder
  • Copper flakes
  • Bronzing powders

What's excluded

  • Copper paints → use 3208 (If the powder is already mixed with binders to form paint, it is in Chapter 32.)

Common examples

  • Spheroidal copper powder
  • Dendritic copper powder
  • Polished copper flakes for decoration
  • Bronze powder for sintering

Frequently asked questions

Is copper powder dangerous to ship?

Depending on particle size and surface treatment, some metal powders can be flammable or prone to spontaneous heating.

Trade & shipping notes

  • Typical duty range: 0% - 6%
  • Documentation: MSDS (Material Safety Data Sheets) are essential for determining maritime safety requirements.
  • Typical shipping mode: Air
  • Top exporters: Germany, USA, Japan
  • Top importers: China, South Korea, India

Key takeaway

Covers finely divided metal; critical to distinguish between dry powder and prepared pigments/paints.

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