</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3815.12.00.90/Rhodium on Alumina Catalyst/Japan

Rhodium on Alumina Catalyst from Japan

Rhodium supported on gamma-alumina, utilized in automotive catalytic converters for NOx reduction and hydrocarbon oxidation. HTS 3815.12.00.90 applies as an 'other' supported catalyst with precious metal compound active substance. Critical for meeting emission standards in vehicle manufacturing.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Include OEM specifications confirming automotive end-use; register with TSCA for chemical import notification; prevent duty avoidance by documenting exact rhodium dispersion method