Pyrometallurgical Copper Slag with Silver Compounds from Mexico
Slag from high-temperature pyrometallurgical copper processing containing silver compounds, predominantly copper matrix. HTS 2620.30.0040 for mainly copper residues used in industry per chapter note (a). Arsenic presence qualifies under note (b).
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Highlight pyromet process to differentiate from hydromet or ore stages
• Comply with environmental docs for hazardous residue imports