Glycidyl Methacrylate from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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