Undecafluoropentene from China
Undecafluoropentene functions in fluoropolymer surface modification processes. Classified under HTS 2903.59.90.00 meeting criteria for unsaturated acyclic fluorinated hydrocarbons. Excluded from Chapter 29 prohibitions on fuels or colorants.
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 DOT SP-14886 special permit documentation for high-pressure cylinders
• Include compatibility test results for proposed process materials
• Maintain storage temperatures below -20°C to prevent peroxide formation