Roasted Copper-Zinc Flue Dust from Japan
Flue dust from roasting copper concentrates with zinc, mainly copper, under HTS 2620.30.00.30 as arsenic/metal residue for recovery. Chapter 2620 applies for industrial chemical uses.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Prove roasting stage pre-refining to maintain residue status
• Monitor for 'coarse' particle definitions if overlapping ore stats
• Declare non-municipal source explicitly