Rhodium Alumina Catalyst for Ammonia Oxidation from Japan
Rhodium on alumina gauze catalyst for nitric acid production via ammonia oxidation. Under HTS 3815.90.5000 as unspecified catalytic preparations for industrial gas reactions.
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
• Gauze gauge and rhodium wire purity specs needed
• Spent catalyst export controls under Basel Convention