HFC-236ea Precision Vapor Degreaser from Canada
HFC-236ea (1,1,1,2,3,3-hexafluoropropane) for vapor degreasing of aerospace components and optical lenses. Specifically listed under HTS 2903.46.10.00 as pure chemical compound. Non-flammable with K_B value >100 for organic residue removal.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Surface tension (<15 dynes/cm) and KB value documentation required
• Vapor pressure curves for degreaser design specifications
• No-residue evaporation rate testing for critical cleaning validation