Industrial Leaded Anti-Knock Sludge with Recovered Copper from Japan
Partially processed sludge from anti-knock compound manufacturing, mainly lead with assayed copper for recovery. HTS 2620.21.00.10 captures its copper content in leaded sludges intended for chemical compound production.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use third-party assay for copper/lead ratios; statistical notes require precise reporting
• Avoid bulk import without pre-clearance; common pitfall is port detention for incomplete hazmat docs
• Label as 'for metal recovery only' to prevent end-use violations