Coal-Based Impregnated Activated Carbon with Silver from Canada
Coal activated carbon impregnated with silver for bacteriostatic water filters. Still under 3802.10.0010 as primary coal-derived carbon, impregnation secondary. Prevents bacterial growth in POU systems.
Duty Rate — Canada → United States
14.8%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Silver content <0.05% disclosure; EPA registration if antimicrobial claims
• Impregnation cert to prevent chemical mixture reclassification