Oleic Naphthenic Acid Esters from Canada
Esters formed from naphthenic acids and oleic alcohol used as emulsifiers in metalworking fluids. Meets HTS 3824.99.75 as naphthenic acid esters for industrial chemical applications. Provides both solvency and emulsification properties.
Duty Rate — Canada → United States
13.7%
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
• NMR spectroscopy confirmation of naphthenic ester structure recommended
• Biodegradability testing may be required for wastewater discharge permits
• Distinguish from simple fatty acid esters through origin certification