4-Vinylcyclohexene Dioxide from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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