Aromatic Maleic Anhydride for Unsaturated Polyester Resins from Mexico

Maleic anhydride specifically derived from benzene oxidation processes, meeting HTS 2917.14.10.00 criteria for aromatic hydrocarbon origin. Primary raw material for producing corrosion-resistant unsaturated polyester resins used in marine applications.

Duty Rate — Mexico → United States

16.5%

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

Certify aromatic content via carbon isotope ratio mass spectrometry if requested by CBP

Use refrigerated containers maintaining 40-50°C to prevent solidification

Include REACH/SVHC declarations for downstream resin manufacturers