Gelcoat Unsaturated Polyester Resin from Mexico
Thixotropic unsaturated polyester resin formulated as gelcoat for surface finishes on fiberglass reinforced plastics in marine and RV applications. Classified in HTS 3907.91.5000 as 'other' unsaturated polyester in primary liquid form, per polymer classification rules based on predominant monomer content. Used prior to curing with MEKP hardener.
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
• Include technical data sheets showing unsaturated nature and primary form; avoid import if pre-thinned beyond standard viscosity; declare exact styrene monomer content as it affects VOC regulations