Oxetane Monomer from Japan
Oxetane is a four-membered heterocyclic ring with one oxygen hetero-atom, used in polymer synthesis. Distinct from three-membered epoxides excluded by notes. HTS 2932.99.90 classification.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ring strain data distinguishes from larger ring ethers
• Monomer purity >99%; polymer content disqualifies
• Photopolymer applications require end-use verification