R-417A Drop-In Refrigerant from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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