HFC-143a Industrial Chiller Fluid from Japan
Specialty HFC blend for centrifugal chillers containing ≥15% HFC-143a by mass, used in large HVAC systems for commercial buildings. Optimized for high-pressure applications without ozone-depleting substances. Falls under 3827.61.00.00 per HFC-143a concentration requirements.
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
• Include ASHRAE safety classification (A1 refrigerant) documentation; critical for customs verification of proper handling
• Declare exact mass percentages via HPLC certificate; small deviations can trigger reclassification to 3827.62
• Budget for additional bonding requirements due to high environmental compliance scrutiny on HFC imports