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Titania-Supported Vanadium SCR Catalyst

V2O5/WO3 on anatase titania reduces NOx emissions in selective catalytic reduction systems. HTS 3815.19.00.00 covers this supported preparation used in stationary emission control.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3815Same rate: 35%

If predominantly ceramic support

Titania qualifies as ceramic support under 3815.14 when primary matrix material.

3824.99Lower: 15% vs 35%

If as NOx abatement chemical preparation

Emission control preparations may classify under hazardous substance mixtures.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Submit NOx conversion efficiency test data confirming SCR function for classification support

Declare titania crystal phase (anatase vs rutile) affecting catalytic performance and duty

Comply with CARB/EPA stationary source regulations beyond tariff classification

Related Products under HTS 3815.19.00.00

Zeolite-Supported Platinum Reforming Catalyst

This supported catalyst uses platinum on a zeolite base to facilitate hydrocarbon reforming reactions in petroleum refineries. It falls under HTS 3815.19.00.00 as a supported catalyst with precious metal not specified elsewhere in subheading 3815.12 or 3815.13.

Alumina-Supported Nickel Methanation Catalyst

Nickel dispersed on high-surface-area alumina serves as a catalyst for CO methanation in syngas processing. Classified under 3815.19.00.00 as a supported catalyst not qualifying for base metal subheadings due to specific preparation.

Silica-Supported Copper Dehydrogenation Catalyst

Copper oxide on silica gel accelerates dehydrogenation of alcohols to aldehydes in fine chemical production. This 'other' supported catalyst fits HTS 3815.19.00.00 as it doesn't meet precious or specific base metal criteria.

Zirconia-Supported Molybdenum Hydrodesulfurization Catalyst

MoS2 on zirconia promotes hydrodesulfurization removing sulfur from diesel fuel. Falls under 3815.19.00.00 as supported catalyst preparation NESOI with complex metal-support interaction.

Carbon-Supported Palladium Hydrogenation Catalyst

5% palladium on activated carbon facilitates selective hydrogenation of nitro compounds to amines. Classified 3815.19.00.00 as carbon is not a specified support triggering other subheadings.

Magnesia-Supported Cobalt Fischer-Tropsch Catalyst

20% Co on MgO promotes syngas conversion to synthetic hydrocarbons via Fischer-Tropsch synthesis. This supported catalyst preparation is specified under 3815.19.00.00.