Vanadium Tungstate Promoter Mixture from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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