Tenorite Copper Oxide Ore from Mexico
Tenorite (CuO) is a black copper oxide mineral from supergene enrichment, processed into concentrates for leaching with 40-60% copper grades. Used in SX-EW copper production. HTS 2603.00.00 designation for oxide ores.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Test acid solubility for leaching efficiency declarations
• Report copper equivalent grades including recoverable impurities
• Use sealed containers to prevent oxidation state changes