Impregnated Activated Carbon with Potassium Iodide from Mexico
Granular activated carbon impregnated with potassium iodide for H2S removal in biogas treatment. HTS 3802.10.0050 as base activated carbon; impregnation enhances chemisorption. Widely used in wastewater digesters.
Duty Rate — Mexico → United States
14.8%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare impregnant composition <10% to maintain 3802 classification
• Provide performance data showing carbon as principal adsorbent
• EPA registration may be needed for odor control claims