99.99% Pure Refined Copper Block Sheet 7mm Thick
Ultra-pure 99.99% refined copper block sheet, 7mm thick, for semiconductor heat sinks. Its exceptional purity minimizes impurities, making it ideal for high-performance thermal management applications.
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 |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is in coils
Refined copper plates, sheets and strip, in coils, are classified under a different tariff item.
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
• Ensure the copper purity is certified with a mill test certificate to support classification as refined copper
• Verify the thickness exceeds 0.15mm and meets the definition of plates, sheets, or strip under Chapter 74
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