Smithsonite Calamine Zinc Ore from China
Carbonate zinc ore concentrate from smithsonite (ZnCO3), known as calamine, with 35-50% zinc content after processing. HTS 2608.00.0030 applies to its zinc ore classification, assay quantity reported. Imported for hydrometallurgical zinc recovery.
Duty Rate — China → United States
25%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide origin-specific mining permits and zinc content certification; test for lead co-contaminants
• Use moisture-proof containers to prevent carbonate decomposition
• Declare accurately to avoid penalties for underreported metal value