Impregnated Activated Carbon with Potassium Iodide from China
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 — China → United States
42.3%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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