High-Grade Witherite Concentrate from Mexico
Beneficiated witherite ore with elevated barium carbonate content through natural separation processes like flotation, sold as concentrate. Remains under HTS 2511.20.00.00 as it's still natural mineral, not chemically synthesized. Used in specialty glass and ceramic frits.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide beneficiation flow charts proving no chemical reagents altered the mineral composition
• Certify BaCO3 percentage via independent lab tests to match declared value and avoid undervaluation claims
• Segregate from synthetic grades in shipping to prevent cross-contamination disputes