Hemimorphite Zinc Ore from China
Hemimorphite (Zn₄Si₂O₇(OH)₂·H₂O) is a hydrated zinc silicate ore from oxidized zones of zinc deposits. HTS 2608.00.00 covers this ore as it is concentrated for zinc silicate flotation recovery. It serves as an important source for secondary zinc production.
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
• Report zinc content based on assay without deductions as per statistical notes for accurate duty calculation
• Include geological source data in documentation to distinguish from synthetic zinc silicates
• Beware of particle size classification issues that might confuse ore with processed fines