R-417A Drop-In Refrigerant from Mexico
R-417A (ISCEON MO59) is an HFC blend of HFC-134a (2903.42), HFC-125 (2903.41), and HFC-600 (butane, but classified via HFCs) for R-22 replacements in chillers. Meets 3827.68.00.00 criteria for specified HFC-containing mixtures.
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
• Document ASHRAE safety group A1 classification; use ISO 9163 filling standards; declare exact azeotropic composition