Other
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 3815.90.50.00
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.
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.
Rhodium Alumina Catalyst for Ammonia Oxidation
Rhodium on alumina gauze catalyst for nitric acid production via ammonia oxidation. Under HTS 3815.90.5000 as unspecified catalytic preparations for industrial gas reactions.
Vanadium Pentoxide SCR Catalyst
Vanadium pentoxide on titania support for selective catalytic reduction of NOx in power plant flue gas. HTS 3815.90.5000 for other reaction accelerators in emission control.
Ceria-Zirconia Three-Way Catalyst Washcoat
Ceria-stabilized zirconia washcoat slurry for automotive three-way catalysts, promoting oxygen storage. Classified HTS 3815.90.5000 as catalytic preparation component.
Hydrotreating Cobalt-Molybdenum Catalyst
CoMo on alumina catalyst for hydrodesulfurization in diesel hydrotreating units. HTS 3815.90.5000 for petroleum reaction catalysts.
Enzyme Immobilized Glucose Isomerase
Immobilized glucose isomerase enzyme catalyst for high-fructose corn syrup production. Under HTS 3815.90.5000 as other catalytic preparations despite biological origin.
Iron Oxide Fischer-Tropsch Catalyst
Fused iron oxide catalyst with promoters for syngas to hydrocarbons in GTL processes. HTS 3815.90.5000 classification.
SAPO-34 Methanol-to-Olefins Catalyst
Silicoaluminophosphate molecular sieve catalyst for MTO process producing ethylene/propylene. Fits 3815.90.5000.
Pt-Re Reforming Catalyst
Platinum-rhenium on chlorinated alumina for catalytic reforming of naphtha to high-octane gasoline. HTS 3815.90.5000.