tert-Butyl Acrylate from Canada
tert-Butyl acrylate is a sterically hindered acrylic ester under HTS 2916.12.50. Used in UV-curable resins and electronics due to hydrolysis resistance. Pure compound classification per Chapter 29.
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
• Stabilizer analysis required; typically 100-400 ppm phenothiazine
• Refractive index (1.408) verification prevents substitution fraud