Doré Slime with Copper Impurities from Japan
Refinery slime from doré processing containing residual copper alongside precious metals, concentrated for recovery. Classified under HTS 2616.90.00.10 due to copper content reporting in precious metal concentrates category. Not slag under heading 2620 as it's ore-derived.
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
• Classify based on origin as ore concentrate, not as 2620 residues unless industrially processed for extraction
• Laboratory certificates must specify copper assay for statistical reporting accuracy
• Beware reclassification if copper content suggests base metal concentrate under Chapter 26