Ferric Chloride for Water Purification from Mexico
High-purity ferric chloride specifically graded for municipal water and sewage treatment as a coagulant. HTS 2827.39.55.00 applies as a chemically defined iron chloride not excluded by chapter notes. Supplied as liquid or solid with low heavy metal impurities.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• NSF/ANSI 60 certification docs for drinking water use; test for arsenic limits
• Pitfall: industrial vs potable grade affecting FDA regs