Marine-Grade Unsaturated Polyester Resin from Mexico

Iso-polyester resin variant with enhanced water resistance for boat building and underwater composites. Falls under HTS 3907.91.5000 as other unsaturated polyester in primary form, classified by predominant comonomer weight under Chapter 39 notes. Ortho or iso-phthalic based formulations.

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 UV stabilizer content doesn't chemically modify beyond 'other' per note (a)(3); check for REACH compliance if EU origin; label drums with flash point for hazmat