Hemimorphite Zinc Ore from Japan
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 — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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