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Impregnated Activated Carbon with Potassium Iodide from Canada

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 — 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

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