</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Impregnated Activated Carbon with Potassium Iodide from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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