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
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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