Precious Metal Smelting Lead Flux Residue
Residue from lead flux used in precious metal smelting, containing mainly lead with gold for further recovery. HTS 2620.29.0050 covers such non-steel slag per chapter notes on industrial metal/compound manufacture.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as metallurgical additive, not residue
Refractory cements/mixtures for smelting classified in 3816, based on end preparation.
If hard zinc spelter residues
Specific zinc-related residues separated in 2621.
If ferrous scale/slags for steelmaking
Iron-based residues excluded from 2620 per hierarchy.
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Import Tips & Compliance
• Include process flow documentation proving industrial use; assay gold without deductions
• Comply with TSCA for chemical residues
• Differentiate from cement additives to prevent 2523 misclassification
Related Products under HTS 2620.29.00.50
Lead Smelter Gold-Bearing Slag
Residue from lead smelting processes containing mainly lead with recoverable gold content, used in industry for metal extraction. Classified under HTS 2620.29.0050 due to its primary lead composition and gold assay quantity as per statistical notes. Excludes iron/steel slag and municipal waste ash.
Secondary Lead Refinery Arsenic-Lead-Gold Ash
Ash generated in secondary lead refineries, primarily lead-based with arsenic and gold compounds, intended for gold and metal recovery. Falls under HTS 2620.29.0050 for residues containing mainly lead and gold content per chapter notes on industrial use.
Gold Ore Roasting Lead-Rich Residue
Residue from roasting gold ores where lead is the main component, containing gold and potential arsenic for extraction. HTS 2620.29.0050 applies as non-iron/steel slag used in metal recovery per chapter and statistical notes.
Battery Recycling Lead Slag with Gold Trace
Slag from lead-acid battery recycling operations, mainly lead with trace gold and arsenic, used for precious metal reclamation. Classified in 2620.29.0050 for lead-dominant residues suitable for industrial extraction.
Arsenic-Lead Gold Flotation Tailings
Tailings from gold flotation concentrating lead and arsenic compounds, mainly lead for metal extraction. Fits 2620.29.0050 as residues used industrially, reporting gold content per notes.
Doré Bar Refining Lead Skim with Gold
Skim residue from refining impure gold-silver doré bars using lead, mainly lead with gold content for recovery. HTS 2620.29.0050 for such metal-containing residues per chapter scope.