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Zeolite-Supported Iron Ammonia Synthesis Catalyst from Japan

Promoted iron on zeolite support operates under high pressure/temperature for Haber-Bosch ammonia production. HTS 3815.19.00.00 as supported catalyst NESOI.

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

Include promoter analysis (K2O, Al2O3) critical for activity/stability claims

Certify pre-reduced/activated status vs oxide precursor affecting classification

High-pressure rating certification required for reactor safety compliance

Zeolite-Supported Iron Ammonia Synthesis Catalyst from Japan — Import Duty Rate | HTS 3815.19.00.00