Other
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: > Other: > Consisting wholly of inorganic substances: > 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 3815.90.30.00
Zinc Stearate Powder
Zinc stearate is a fine white powder used as a lubricant and release agent in plastics and rubber manufacturing. It qualifies under HTS 3815.90.3000 as a catalytic preparation consisting wholly of inorganic substances, specifically zinc compounds that facilitate polymerization reactions.
Aluminum Chlorohydrate Catalyst
Catalytic-grade aluminum chlorohydrate used in polymerization processes for water treatment resins. Classified under 3815.90.3000 as it consists entirely of inorganic aluminum compounds acting as reaction accelerators.
Sodium Perborate Accelerator
Anhydrous sodium perborate used as oxygen bleach catalyst in epoxy resin curing. Falls under HTS 3815.90.3000 as a wholly inorganic reaction accelerator for industrial coatings.
Magnesium Oxide Polymerization Catalyst
High-purity MgO powder serving as catalyst in polypropylene production. Classified in 3815.90.3000 for its wholly inorganic composition and role as reaction initiator.
Titanium Dioxide Accelerator
Nano-grade TiO2 used as photoinitiator in UV-curable coatings. HTS 3815.90.3000 covers this wholly inorganic catalytic preparation for radical polymerization.
Cerium Oxide Polishing Catalyst
Ceria nanoparticles catalyzing chemical mechanical planarization in semiconductor manufacturing. Classified under 3815.90.3000 as inorganic reaction accelerator.
Zeolite Y Reaction Initiator
Synthetic zeolite Y faujasite used as shape-selective catalyst in hydrocarbon cracking. HTS 3815.90.3000 for wholly inorganic aluminosilicate framework.
Iron Oxide Dehydrogenation Catalyst
Alpha-Fe2O3 catalyst for ethylbenzene dehydrogenation to styrene. Consists wholly of inorganic iron oxides qualifying for 3815.90.3000.
Vanadium Pentoxide SCR Catalyst
V2O5-based selective catalytic reduction catalyst for NOx control in power plants. Classified 3815.90.3000 as wholly inorganic reaction accelerator.
Nickel Oxide Hydrogenation Catalyst
NiO powder reduced in-situ for fat hydrogenation in edible oil processing. HTS 3815.90.3000 for inorganic reaction initiation properties.
Silica-Alumina Cracking Catalyst
Amorphous silica-alumina gel catalyst for fluid catalytic cracking in refineries. Wholly inorganic composition qualifies for 3815.90.3000.
Manganese Dioxide Oxidation Catalyst
Electrolytic MnO2 used as depolarizer catalyst in alkaline batteries. Inorganic reaction accelerator under HTS 3815.90.3000.
Cobalt Molybdate Hydrotreating Catalyst
CoMo/alumina catalyst precursor for diesel hydrodesulfurization. Oxide form qualifies as wholly inorganic under 3815.90.3000.
Zirconium Oxide Solid Acid Catalyst
Sulfated zirconia catalyst for alkylation reactions in gasoline production. Inorganic zirconia base qualifies for 3815.90.3000.
Chromium Oxide Polymer Catalyst
Phillips catalyst (CrO3 on silica) precursor for HDPE production. Wholly inorganic composition under HTS 3815.90.3000.