Tenorite-Zinc Supergene Enrichment Concentrate from Japan
Supergene concentrate featuring tenorite (CuO) enriched over zinc sulfides in weathered deposits. Classified via copper content under HTS 2608.00.0010 for zinc concentrates.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Report oxide vs sulfide copper fractions separately
• Use dust suppression in shipping to control fines
• Confirm no chemical processing; raw ore status critical