TEL-TML Mixture Aviation Fuel Booster from Canada
A prepared additive blending tetraethyl lead (TEL) and tetramethyl lead (TML) to boost octane in 100LL avgas for piston aircraft. Classified under HTS 3811.11.1000 due to its basis on the specified lead compounds for anti-knock performance in mineral oil-based fuels. Essential for legacy aircraft engines requiring high-octane protection.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%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
Import Tips
• Comply with TSCA import notifications for lead compounds; use UN-approved containers for toxic liquid shipping; test for exact TEL/TML ratio to confirm subheading