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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

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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