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Aviation 100LL Octane Enhancer

Specialized antiknock additive formulated for 100LL low-lead aviation gasoline to meet ASTM D910 specifications. Classifies under HTS 3811.19.00.00 as other antiknock preparation for aviation mineral oils. Critical for general aviation piston engines.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3826.00Lower: 16.5% vs 41.5%

If biodiesel-based formulation

Biodiesel-derived antiknock agents per chapter note 3826 classify separately from mineral oil additives.

2710.19.11Lower: 25% vs 41.5%

If special aviation gasoline preparations

Certain proprietary aviation gasoline base stocks with additives may classify as finished special fuels under 2710.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

ASTM D910 certification mandatory; color dye specifications must match blue 100LL; provide lean/rich mixture performance data

Related Products under HTS 3811.19.00.00

MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive

MMT is a highly effective organometallic antiknock compound used to boost octane ratings in gasoline engines. It falls under HTS 3811.19.00.00 as an 'other' antiknock preparation specifically designed for mineral oils like gasoline. This additive improves combustion efficiency and reduces engine knocking in high-performance fuels.

Ferrocene Octane Booster Concentrate

Ferrocene-based additive provides metal combustion catalysts to enhance gasoline octane without lead. Classified under HTS 3811.19.00.00 as an antiknock preparation for mineral oils. Used in racing fuels and premium gasoline formulations.

Tetraethyllead TEL Replacement Blend

Modern TEL substitute formulation using non-lead organometallics for aviation gasoline antiknock performance. HTS 3811.19.00.00 covers these 'other' antiknock preparations for aviation mineral oils. Essential for maintaining high-octane 100LL avgas specifications.

Polyether Amine Fuel System Cleaner Additive

High-potency polyether amine antiknock formulation that also cleans injectors and prevents carbon deposits. Falls under HTS 3811.19.00.00 as an antiknock preparation despite cleaning benefits. Used in premium aftermarket gasoline treatments.

Hi-Test Octane Booster Concentrate

Concentrated blend of alkyl nitrates and aromatic hydrocarbons for substantial octane improvement in gasoline. HTS 3811.19.00.00 specifically covers these 'other' antiknock preparations for racing and off-road fuels. Delivers 100+ octane when properly dosed.

Racing Fuel TEL-Free Antiknock Package

Comprehensive TEL-free antiknock system using manganese and iron organometallics for methanol racing fuels. HTS 3811.19.00.00 covers these specialized antiknock preparations compatible with alcohol-based racing fuels. Used in Top Fuel dragsters and methanol circle track racing.