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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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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