Vanadium Silicide Metathesis Catalyst from Mexico
V3Si intermetallic compound used in olefin metathesis reactions under high-pressure conditions. Wholly inorganic vanadium-based catalytic preparation under HTS 3815.90.1000. Offers unique activity for propene disproportionation.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• XPS surface analysis confirming vanadium-silicon catalytic sites required
• Process patents or literature citations proving metathesis activity essential
• Distinguish from semiconductor materials through reaction performance data