Vanadium Boride SCR Catalyst Promoter from Mexico
VB2 used as promoter in selective catalytic reduction (SCR) systems for NOx control. Inorganic vanadium compound accelerates ammonia-SCR reactions under HTS 3815.90.1000. Enhances low-temperature activity.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• NOx conversion efficiency curves proving SCR promoter function
• Distinguish from cutting tool materials through application specifications
• Thermal stability data (>600°C) confirming catalyst-grade specifications