Vacuum-Deposited Copper Flakes
PVD vacuum-deposited lamellar copper flakes offering ultra-high purity for optical thin-film applications. Premium classification under HTS 7406.20.00.00 for advanced manufacturing copper flakes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If gas-atomized high purity copper
Non-PVD high purity copper powder classified as general copper powder.
If in carotenoid-based coating
Vacuum metal flakes in finished optical coatings classified under Chapter 32.
If optical element coating material
PVD copper specifically for optical components may fall under Chapter 90.
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Import Tips & Compliance
• Vacuum deposition process certificates essential for purity claims (99.999%)
• Specify optical/decorative thin film end-use to justify premium flake import
• Cleanroom packaging required; contamination voids high-purity certification
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