Titanium Dioxide Supported Platinum Catalyst
A catalytic preparation consisting of platinum nanoparticles supported on titanium dioxide, used primarily in automotive catalytic converters for exhaust gas treatment. It falls under HTS 3815.90.5000 as a reaction accelerator and catalytic preparation not elsewhere specified, facilitating oxidation reactions in pollution control.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for motor vehicle exhaust purification
Dedicated automotive catalytic converters are classified separately under subheading 3815.11, excluding general catalytic preparations.
If imported as pure metal compounds without carrier support
Unsupported platinum compounds fall under Chapter 28 as inorganic chemicals, not catalytic preparations.
If contains EPA-regulated hazardous substances above thresholds
Preparations with specific pesticides or pollutants shift to 3824 for chemical mixtures with environmental hazards.
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Import Tips & Compliance
• Obtain EPA TSCA pre-manufacture notice if not on inventory; verify catalyst composition for REACH-like compliance
• Include detailed technical data sheets and safety data sheets (SDS) for customs; check for precious metal content declarations
• Avoid misclassification as finished auto parts (8708); common pitfall is undervaluing platinum content
Related Products under HTS 3815.90.50.00
Zeolite Y-Type Cracking Catalyst
Synthetic zeolite-based catalyst used in fluid catalytic cracking units in oil refineries to break down heavy hydrocarbons into gasoline and diesel. Classified under HTS 3815.90.5000 as a reaction initiator not specified elsewhere, essential for petroleum refining processes.
Palladium on Carbon Hydrogenation Catalyst
Activated carbon supported palladium catalyst employed in pharmaceutical and fine chemical hydrogenation reactions to reduce double bonds. It qualifies for HTS 3815.90.5000 as a catalytic preparation for reaction acceleration, not covered by other specific subheadings.
Nickel Raney Catalyst for Methanol Synthesis
Highly active sponge nickel catalyst used in industrial methanol production from syngas, promoting hydrogenation reactions. Falls under HTS 3815.90.5000 as a reaction initiator and catalytic preparation not elsewhere specified.
Copper Chromite Catalyst for Ester Hydrogenation
Copper chromite-based catalyst for high-pressure hydrogenation of esters to alcohols in chemical manufacturing. Classified in HTS 3815.90.5000 for other catalytic preparations accelerating organic reactions.
Zirconia-Supported Gold Catalyst for CO Oxidation
Gold nanoparticles on zirconia carrier for low-temperature carbon monoxide oxidation in fuel cell applications and air purification. HTS 3815.90.5000 covers this as a catalytic preparation not specifically enumerated.
Mordenite Zeolite Isomerization Catalyst
Acid mordenite catalyst for paraffin isomerization in gasoline production, improving octane rating. Fits HTS 3815.90.5000 as other reaction initiators for refinery processes.