Glycidyl Methacrylate from Mexico
Glycidyl methacrylate (GMA) features an epoxide ring for crosslinking in powder coatings and composites. As a methacrylic acid ester derivative, it classifies under HTS 2916.14.20 'other,' compliant with Chapter 29 exclusion of epoxides only for ring-position heteroatoms. The ester function determines primary classification.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Epoxide equivalent weight (EEW 130-150) testing validates structure integrity
• pH stability (6.5-7.5) indicates hydrolysis-free product
• Nitrogen blanketing during storage prevents peroxide formation