99.99% Pure Refined Copper Block Sheet 7mm Thick
Ultra-pure 99.99% refined copper block sheet, 7mm thick, for semiconductor heat sinks. HTS 7409.19.10.00 for refined copper plates >5mm. Exceptional purity minimizes impurities.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thickness 0.15-5mm range
Same refined copper but thinner sheets use 7407.12 subheading.
If copper-zinc brass with zinc dominant
Brasses per note (a) shift to 7409.9 alloy strip/plate.
If mistakenly thought to be aluminum
Similar appearance but aluminum plates are Chapter 76.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Require vendor certification of 99.99% Cu content for refined copper proof
• Measure thickness at multiple points; must exceed 5mm uniformly
• Segregate from alloy inventory to prevent cross-contamination claims
Related Products under HTS 7409.19.10.00
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