4-Vinylcyclohexene Dioxide from Canada
This diepoxide contains an aromatic-like cyclohexene ring system with two three-membered epoxide rings, classified aromatic under HTS 2910.90.20.00. Used in advanced composites and high-temperature adhesives for automotive applications.
Duty Rate — Canada → United States
15.5%
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
• Specify epoxide equivalent weight (EEW) and functionality on technical data sheet
• Ensure distillation purity certificate showing <0.1% chlorohydrin impurities
• Comply with DOT SP 146 exemption for epoxy resin intermediates in non-bulk packaging