Sodium Fluorosilicate 99% Pure Grade from Mexico
High-purity sodium fluorosilicate (99% Na2SiF6) is supplied for laboratory and pharmaceutical fluoridation applications. It qualifies for HTS 2826.90.1000 as a chemically defined sodium fluorosilicate, distinct from other fluorides or complex salts. Meets Note 1 criteria for inorganic compounds in Chapter 28.
Duty Rate — Mexico → United States
14.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include certificate of analysis (COA) for purity claims; register with TSCA for chemical import; segregate from acids to prevent hazardous reactions