Epsilon-Caprolactone from China
Epsilon-caprolactone is a seven-membered lactone ring used in polymer synthesis for biomedical applications, classified under HTS 2932.20.50.50. Key monomer for biodegradable polycaprolactone.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Polymerization inhibitor content declaration to maintain lactone classification
• Biomedical end-use statement may qualify for special tariff programs
• Ring-opening polymerization data distinguishes from polymer under Chapter 39