Containing petroleum oils or oils obtained from bituminous minerals
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils: > Additives for lubricating oils: > Containing petroleum oils or oils obtained from bituminous minerals
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 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 3811.21.00.00
Petroleum-Based Motor Oil Additive Pack
A prepared additive blend containing petroleum oils designed to enhance the viscosity and anti-wear properties of motor oils. It falls under HTS 3811.21.00.00 because it is specifically formulated for lubricating oils and includes petroleum oils or bituminous mineral oils as key components.
Bituminous Mineral Oil Anti-Wear Additive
An anti-wear concentrate with bituminous mineral oils for heavy-duty engine lubricants, reducing friction in diesel engines. Classified under 3811.21.00.00 due to its petroleum oil content and use as a lubricating oil additive.
Petroleum Oil Viscosity Improver for Gear Lubes
Viscosity improver additive infused with petroleum oils for gear and transmission lubricants, maintaining performance under high shear. It qualifies for HTS 3811.21.00.00 as a prepared additive containing petroleum oils for mineral oil-based lubes.
Gasoline-Engine Oil Antioxidant Additive
Oxidation inhibitor additive with petroleum base oils for gasoline engine oils, preventing sludge formation. Falls under 3811.21.00.00 for its petroleum oil content in lubricating oil preparations.
Heavy Duty Diesel Oil Detergent Additive
Detergent dispersant additive containing petroleum oils for diesel engine crankcase lubricants, cleaning deposits. Classified in HTS 3811.21.00.00 as it contains petroleum oils for lubricating purposes.
Petroleum-Infused Transmission Fluid Improver
Additive for automatic transmission fluids with petroleum oils, improving friction modifiers and seal conditioners. Meets HTS 3811.21.00.00 criteria for petroleum-containing lubricating oil additives.
Industrial Hydraulic Oil Anti-Corrosion Additive
Anti-corrosive preparation with bituminous oils for hydraulic lubricating oils in machinery. Under 3811.21.00.00 for additives containing petroleum or bituminous mineral oils.
Marine Cylinder Oil Pour Point Depressant
Pour point depressant additive blended with petroleum oils for marine cylinder lubricants, ensuring flow in cold conditions. Fits HTS 3811.21.00.00 due to petroleum oil inclusion for lubricating oils.
Automotive Grease Thickener Additive
Thickening agent with petroleum carrier oils for lithium grease formulations in automotive bearings. Classified under 3811.21.00.00 as a lubricating oil additive with petroleum oils.
Compressor Oil Oxidation Stabilizer
Stabilizer additive containing bituminous mineral oils for rotary screw compressor lubricants, extending oil life. Qualifies for 3811.21.00.00 with its petroleum oil base for mineral oil lubes.