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