Cyanidation Silver Tailings from Canada
Tailings from silver cyanidation circuits with Merrill-Crowe precipitates recycled as concentrate. HTS 2616.10.00 silver recovery material. Contains 1-5% metallic silver cement.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Detoxify cyanide to <50 ppm before export
• Wet tailings require drainage systems
• Precious metal precipitates increase declared value