Vanadium Boride SCR Catalyst Promoter

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

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

2850.00Lower: 13.7% vs 41.5%

If borides primarily for refractory applications

Borides without catalytic claim classified as other compounds.

3815.90.20.00Lower: 37.8% vs 41.5%

If in formulated SCR washcoat with binders

Formulation additives disqualify from wholly inorganic category.

Not sure which classification is right?

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Import Tips & Compliance

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

Related Products under HTS 3815.90.10.00

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Tungsten Carbide Catalyst Powder

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Vanadium Pentoxide Catalyst

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Bismuth Triflate Reaction Initiator

Bismuth(III) triflate acts as a water-tolerant Lewis acid catalyst for aldol reactions and glycosylations. This inorganic bismuth compound is classified under HTS 3815.90.1000 for its role as a reaction initiator. Its mild acidity makes it superior to traditional Lewis acids.

Tungsten Oxide Hydrodesulfurization Catalyst

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Vanadium Phosphate Catalyst

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