Galvanizing Plant Zinc Ash Gold Impurity from Mexico
Ash from hot-dip galvanizing plants, mainly zinc dross with minor gold content from alloy recycling, for metal recovery. Classified in HTS 2620.19.60.50 as zinc-dominant residues containing metals/gold, not from iron/steel primary production. Industrial use only.
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
• Document galvanizing process to distinguish from steel slag under Chapter 72
• Use certified labs for gold assay to comply with no-deduction statistical quantity rules
• Prepare for environmental queries; prove non-municipal waste origin per chapter exclusions