Other
Anti-knock 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. > Anti-knock preparations: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 3811.1
Aviation 100LL TEL Antiknock Compound
A specialty compound of tetraethyl lead (TEL) formulated for the production of 100LL low-lead aviation gasoline. It acts as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, meeting the tariff item's description.
3811.11.00Aviation Leaded Antiknock Mixture
A specialized anti-knock preparation with lead compounds for 100LL avgas (low-lead aviation gasoline) to suppress detonation in piston aircraft engines. It is based on lead compounds and falls under this tariff item for lead-based anti-knock preparations.
3811.11.00Classic Car TEL Octane Improver
A tetraethyl lead-based additive designed for vintage and classic car engines using leaded gasoline formulations. It serves as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, fitting the tariff item's scope.
3811.11.00High-Performance Leaded Fuel Additive
A lead-based anti-knock concentrate for drag racing and classic car fuels, enhancing combustion stability in high-compression engines. It is based on lead compounds and serves as an anti-knock preparation for mineral oils, specifically gasoline.
3811.11.00Leaded Octane Booster Concentrate
A concentrated blend containing organolead compounds like tetraethyllead designed to boost octane levels in racing fuels and aviation gasoline. It is based on lead compounds and falls under this tariff item for lead-based anti-knock preparations.
3811.11.00Marine Engine Leaded Antiknock
A prepared additive containing lead compounds for two-stroke marine outboard motors using high-octane gasoline blends. It serves as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, fitting this tariff item.
3811.11.00TEL Lead Additive for Racing Fuels
A high-concentration tetraethyl lead additive for drag racing and motorsport fuels requiring extreme octane levels. It functions as an anti-knock preparation for gasoline, based on lead compounds, and is classifiable under this tariff item.
3811.11.00TEL-TML Mixture Aviation Fuel Booster
A prepared additive blending tetraethyl lead (TEL) and tetramethyl lead (TML) to boost octane in 100LL avgas for piston aircraft. It is based on lead compounds and serves as an anti-knock preparation for mineral oils, specifically aviation gasoline.
3811.11.00Tetraethyl Lead Gasoline Antiknock Additive
A lead-based anti-knock preparation containing tetraethyl lead for enhancing octane ratings in aviation gasoline. It is specifically based on tetraethyl lead, used to prevent engine knock, and falls under this tariff item for lead-based anti-knock preparations.
3811.11.00Tetraethyllead (TEL) Antiknock Additive
Tetraethyllead (TEL) is a classic organolead compound used as an anti-knock agent in gasoline engines to prevent engine knocking by increasing octane rating. This prepared additive is based on lead compounds and falls under this tariff item for anti-knock preparations.
3811.11.00Vintage Engine TEL Fuel Treatment
A tetraethyl lead treatment for restoring performance in pre-1970s automobile engines. It is based on TEL for anti-knock in gasoline, fitting this tariff item precisely, and helps prevent pinging in high-compression classic motors.
3811.19.00Aviation 100LL Octane Enhancer
Aviation 100LL Octane Enhancer is a specialized antiknock additive formulated to meet ASTM D910 specifications for low-lead aviation gasoline. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, specifically designed for aviation fuels.
3811.19.00Ferrocene Octane Booster Concentrate
Ferrocene Octane Booster Concentrate is an organometallic additive that enhances gasoline octane ratings without lead. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, commonly used in racing and premium fuels.
3811.19.00Hi-Test Octane Booster Concentrate
Hi-Test Octane Booster Concentrate is a blend of alkyl nitrates and aromatic hydrocarbons designed for substantial octane improvement in gasoline. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, suitable for racing and off-road fuels.
3811.19.00Marine Gasoline Antiknock Stabilizer
Marine Gasoline Antiknock Stabilizer is an ethanol-compatible additive that prevents detonation in two-stroke outboard motors under high loads. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for marine mineral oils.
3811.19.00MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive
MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive is an organometallic antiknock compound that boosts octane ratings in gasoline engines. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, despite regulatory restrictions in some jurisdictions.
3811.19.00Polyether Amine Fuel System Cleaner Additive
Polyether Amine Fuel System Cleaner Additive is a high-potency antiknock formulation that also cleans injectors and prevents carbon deposits. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, despite its cleaning benefits.
3811.19.00Premium Unleaded Octane Plus Treatment
Premium Unleaded Octane Plus Treatment is a consumer octane booster using proprietary ether technology for modern vehicles. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for retail gasoline, suitable for standard automotive use.
3811.19.00Racing Fuel TEL-Free Antiknock Package
Racing Fuel TEL-Free Antiknock Package is a comprehensive antiknock system using manganese and iron organometallics for methanol racing fuels. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation compatible with alcohol-based racing fuels.
3811.19.00Snowmobile High-Octane Fuel Treatment
Snowmobile High-Octane Fuel Treatment is a cold-weather antiknock formulation for two-cycle snowmobile engines operating at high altitudes. It falls under tariff item 3811.19.00 as a specialized antiknock preparation for winter recreational fuels.
3811.19.00Tetraethyllead TEL Replacement Blend
Tetraethyllead TEL Replacement Blend is a modern substitute formulation using non-lead organometallics for aviation gasoline antiknock performance. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for aviation mineral oils.