Polyether Amine Fuel System Cleaner Additive from Japan
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.
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
• Label with specific treat rates per gallon of fuel; include warnings about overuse in small engines; ensure REACH compliance if manufactured in Europe