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
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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