Vanadium Tungstate Promoter Mixture from Mexico
Selective catalytic reduction (SCR) promoter containing vanadium pentoxide, tungsten trioxide, and titania for NOx control. HTS 3824.99.36.00 for vanadium-based inorganic mixtures in emission control. Used in power plant flue gas treatment.
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
• Emission control certification and performance data required; comply with Clean Air Act import provisions
• Avoid classification as titanium dioxide under 2823
• Test for tungsten threshold