Witherite for Strontium Production from Mexico
Natural barium carbonate (witherite) selected for reduction to barium metal or strontium compounds in chemical synthesis. Classified HTS 2511.10.50.00 as 'other' calcinable witherite. Raw mineral status confirmed by processing state.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• End-use declarations for chemical reduction; purity specs critical; hazardous processing warnings