Vanadium Boride SCR Catalyst Promoter from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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