Mixed Galena-Sphalerite Flotation Concentrate from Mexico
Flotation byproduct from polymetallic lead-zinc mines, reporting zinc content under lead ore concentrates. HTS 2607.00.0030 captures the zinc portion per statistical notes on assay quantities. Used in smelting for dual metal recovery.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit detailed mineralogical reports to justify zinc content allocation within lead ore classification
• Avoid bulk packaging without ventilation to prevent oxidation affecting zinc assay accuracy
• Comply with ISPM 15 for wooden dunnage in shipments of mineral concentrates