Ammonium Fluorozirconate from Mexico
Ammonium fluorozirconate ((NH4)2ZrF6) finds use in ceramics, nuclear fuel processing, and as a precipitant. Under HTS 2826.19.1000 for ammonium 'other' fluorides. Inorganic complex salt per subheading note.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Nuclear-related shipments need NRC/DOE pre-approval beyond standard customs
• Analyze for radioactivity; heading 2844 applies if exceeding becquerel limits
• Use ICPOES assay reports to prove chemical purity