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Mixed PGM on Ceria-Zirconia for TWC Front Bed

A Pd-Pt-Rh ternary precious metal catalyst on ceria-zirconia oxygen storage support for three-way converter front bed position. This multi-precious metal supported catalyst optimizes cold-start emissions performance in automotive applications. It falls under tariff item 3815.12.00 as a supported catalyst with precious metal compounds as the active substance.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

3815.19.00Same rate: Free

If the catalyst is not supported on a carrier

This alternative covers unsupported catalysts, which do not have a support material.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide a detailed breakdown of the palladium, platinum, and rhodium content for accurate duty assessment

• Ensure the catalyst is classified as a new product, not a spent catalyst, to avoid Chapter 26 classification

• Verify if any automotive emissions regulations apply to the import

Related Products under Tariff item 3815.12.00

Gold on Titania Catalyst for CO Oxidation

Nanosize gold particles (2-5nm) supported on titanium dioxide (TiO2) for low-temperature carbon monoxide oxidation. This catalyst is used in air purification systems and fuel cell applications to remove CO from gas streams. It falls under tariff item 3815.12.00 because gold is a precious metal and the active substance is supported on a carrier.

Iridium Oxide on Carbon Catalyst

Iridium(IV) oxide nanoparticles supported on vulcan carbon black, used in polymer electrolyte membrane (PEM) fuel cells. This catalyst uses iridium, a precious metal compound, as the active substance on a carbon support. It falls under tariff item 3815.12.00 as a supported catalyst with precious metal compounds.

Iridium Oxide Supported Catalyst for Hydrazine Decomposition

Iridium oxide supported on alumina or titania for catalytic decomposition of hydrazine in spacecraft propulsion systems. This aerospace-grade catalyst uses iridium, a precious metal, as the active substance on a support. It is classified under tariff item 3815.12.00 as a supported catalyst with precious metal compounds.

Palladium on Barium Sulfate for Rosenmund Reduction

A poisoned 5% palladium on barium sulfate catalyst with quinoline for selective hydrogenation of acid chlorides to aldehydes (Rosenmund reduction). This classic organic synthesis catalyst uses palladium, a precious metal, as the active substance on a barium sulfate support. It falls under tariff item 3815.12.00 as a supported precious metal catalyst.

Palladium on Carbon Catalyst for Hydrogenation Reactions

A 5-10% palladium on activated carbon support used in pharmaceutical and fine chemical manufacturing for selective hydrogenation of double bonds and nitro groups. This supported catalyst uses palladium, a precious metal, as the active substance. It is classified under tariff item 3815.12.00 as a supported catalyst with precious metal active substance.

Platinum Black Supported Electrode Catalyst

High-surface-area platinum black on carbon cloth for polymer electrolyte membrane fuel cells (PEMFC). This supported catalyst uses platinum, a precious metal, as the active substance for electrochemical applications. It is classified under tariff item 3815.12.00 as a supported precious metal catalyst.