Tennantite Copper Ore Concentrate from Canada
Tennantite, a copper arsenic sulfosalt mineral, yields concentrates with 40-50% copper after selective flotation. HTS 2603.00.00.10 applies with copper content assayed without deductions. Prevalent in porphyry copper deposits.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Segregate from food-grade cargoes due to toxic arsenic potential
• Calibrate scales for accurate net weight declaration post-moisture adjustment
• Retain processing flow sheets demonstrating concentrate production