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