Zinc Electrolyte Purification Sludge Lead Content from Japan
Sludge residue from purifying electrolytes in zinc electrowinning plants, mainly zinc compounds with lead and arsenic. Used for recovering metals or manufacturing their compounds. HTS 2620.19.60.20 applies to this lead-bearing zinc slag per chapter definitions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include electrowinning process description in entry docs to confirm Heading 2620 eligibility
• Report lead content via assay without deductions; mismatches trigger audits
• Segregate from iron-bearing sludges to avoid Chapter 72 reclassification