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.

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 with ceramic support matrix

Catalysts supported on ceramic materials classify separately under 3815.14.

2613.10.00Lower: 11.8% vs 35%

If roasted molybdenum concentrate

Unprocessed metal ores/preparations fall under Chapter 26.

Not sure which classification is right?

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Import Tips & Compliance

Include sulfiding procedure documentation proving activated catalyst status

Certify zirconia purity >90% to distinguish from 3815.14 ceramic-supported catalysts

Declare spent catalyst regeneration status; fresh vs regenerated affects valuation

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.

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.

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.

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.