Aviation 100LL Octane Enhancer from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• ASTM D910 certification mandatory; color dye specifications must match blue 100LL; provide lean/rich mixture performance data