Heat Sink Copper Rectangle Profile
A machinable refined copper rectangular profile optimized for CNC heat sink production in electronics cooling. It is classified under tariff item 7407.10.90 as an 'other' profile of refined copper, given its solid rectangular cross-section. The product contains a free-machining sulfur addition of less than 0.06%, which does not affect its refined copper status.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the profile is hollow
Hollow profiles are classified separately under this subheading.
If the thickness is one-tenth of the width or less
Flat products with such dimensions are classified as plates or sheets.
If the sulfur content exceeds 0.3%
Copper alloys with higher sulfur content are classified under alloy headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the sulfur content is below the 0.3% limit for 'other elements' to maintain refined copper classification
• Provide a certificate of analysis showing the chemical composition for CBSA verification
• Confirm the profile is solid and not hollow to avoid reclassification
Related Products under Tariff item 7407.10.90
Architectural Copper Trim Bar
A refined copper rectangular bar with a polished finish for architectural door and window trim profiles. It is classified under tariff item 7407.10.90 as an 'other' bar of refined copper, given its solid rectangular cross-section and refined copper composition. The product develops a natural patina over time, making it suitable for architectural applications.
Busduct Copper Rectangular Conductor
A refined copper rectangular conductor bar for insulated busduct systems in commercial buildings. It is classified under tariff item 7407.10.90 as an 'other' bar of refined copper, given its solid rectangular cross-section. The product is used in electrical distribution and may be epoxy-primed, which does not affect its classification as a bar.
C10100 Copper RF Gasket Profile
C10100 OFHC copper knife-edge profiles for RF cavity gaskets and vacuum seals. These are solid profiles of refined copper, not hollow, and are used in specialized applications requiring ultra-pure copper.
C10100 OFHC Copper Round Corner Profile
C10100 OFHC copper quarter-round corner profiles for architectural trim and edging. These are solid profiles of refined copper with a specific cross-section, used for aesthetic and protective purposes in construction.
C101 Oxygen-Free Copper Round Rod
A high-purity round rod made from C101 oxygen-free refined copper, used in electronics for its excellent conductivity and minimal oxygen content. It qualifies as a bar or rod of refined copper under tariff item 7407.10.90, which covers other bars, rods, and profiles of refined copper. Its composition meets the definition of refined copper in Chapter 74 legal notes.
C101 Refined Copper Rectangular Bar
A high-purity C101 refined copper bar with a rectangular cross-section, typically used in electrical busbars and heat exchangers. It is classified under tariff item 7407.10.90 as an 'other' bar of refined copper, given its solid rectangular cross-section. The product meets the refined copper purity requirements in Chapter 74.