HS Code for Copper flakes

Copper flakes are classified under HS code 7406.20 because they represent copper powders that possess a distinct lamellar structure. According to the Harmonized System's General Rules of Interpretation and the Explanatory Notes for Chapter 74, heading 7406 covers copper powders and flakes. The classification is determined by the physical morphology of the particles. While 7406.10 is reserved for powders of non-lamellar structure (such as spherical or irregular grains), 7406.20 specifically identifies flakes, which are characterized by their plate-like or scale-like shape. These materials are typically produced through mechanical processes like ball milling with lubricants to achieve the flat, reflective surface required for industrial applications. The classification remains consistent regardless of whether the flakes are made of refined copper or copper alloys, provided the copper content predominates by weight over any other single element.

Products Included

• Refined copper flakes with lamellar structure
• Copper-zinc alloy (brass) flakes
• Copper-tin alloy (bronze) flakes
• Metallic scales used in the manufacture of conductive inks
• Lamellar copper particles for metallic paint pigments

Common Misclassification

Copper flakes are frequently misclassified under HS code 7406.10, which is strictly for powders of non-lamellar structure. The distinction lies in the aspect ratio and shape of the particles; spherical or atomized powders must stay in 7406.10. Another common error is attempting to classify copper flakes prepared as finished pigments in a liquid medium under heading 3212. If the flakes are dispersed in a non-aqueous medium and sold as a liquid or paste for paint manufacture, Chapter 32 may apply. Furthermore, very thin copper foil is sometimes confused with flakes, but foil is classified under 7410 based on its continuous sheet form rather than its particulate nature.

FAQ

What is the HS code for copper flakes?

The primary HS code for copper flakes of a lamellar structure is 7406.20.

How are flakes distinguished from powders in the HS system?

In the context of heading 7406, flakes are distinguished by their lamellar (plate-like) structure, whereas powders in 7406.10 are generally granular, spherical, or atomized without a flattened scale-like appearance.