Platinum/Rhodium Gauze Packs for Nitric Acid Plants from Japan
80/20 Pt/Rh knitted wire gauze catalyst packs for ammonia oxidation in Ostwald process nitric acid production. HTS 3815.12.00 as precious metal supported catalyst (metallic support). Industrial packs contain hundreds of gauzes per reactor.
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
• Wire diameter, mesh count, and alloy certification required; declare total PGM content by weight; customs valuation includes precious metal market value