HFC-236fa Specialty Heat Transfer Fluid from Mexico
High purity HFC-236fa (1,1,1,3,3,3-hexafluoropropane) used in liquid immersion cooling systems for high-performance computing and data centers. Classified under HTS 2903.46.10.00 per chapter notes for pure halogenated hydrocarbons. Excellent thermal stability up to 250°C.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Dielectric strength testing (>30 kV) required for electrical safety certification
• Viscosity and density data at operating temperatures must be documented
• Material compatibility testing reports for server components recommended