Trifluoroethylene (HFC=CF2) from China
Trifluoroethylene is a fluorinated monomer used in copolymer production for specialty elastomers and electronic materials. Classified under HTS 2903.59.90.00 as an unsaturated fluorinated acyclic hydrocarbon derivative. Chapter 29 note (a) applies to this separate chemically defined compound.
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
• Provide polymerization inhibitor certificates showing stabilizer content
• Comply with NFPA 45 laboratory storage requirements documentation
• Ensure inhibitor levels maintained per manufacturer's specifications to prevent auto-polymerization