4-Vinylcyclohexene Dioxide from China
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 — China → United States
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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