HFC-143a Transport Refrigeration Blend
HFC mixture exceeding 15% HFC-143a for refrigerated trucks and containers, providing reliable cooling for perishable goods transport. Compliant with HFC-only specifications excluding CFCs/HCFCs. Classified in 3827.61.00.00 based on HFC-143a mass threshold.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as bulk HFC-143a for on-site blending
Unmixed pure HFCs are classified as fluorinated derivatives of saturated acyclic hydrocarbons in Chapter 29.
If contaminated with listed persistent organic pollutants
Mixtures containing specific banned substances like PCBs or DDTs from subheading notes shift to 3824.81.
If part of complete refrigeration machine import
Refrigerants integral to imported machinery are classified with the complete machine rather than separately.
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Import Tips & Compliance
• Certify compliance with DOT hazardous materials regulations for pressurized gas cylinders during import clearance
• Maintain manufacturer’s allocation certificates under AIM Act; importers face penalties for undocumented HFC volumes
Related Products under HTS 3827.61.00.00
HFC-143a Refrigerant Blend R-507
Azeotropic refrigerant blend consisting of 50% HFC-125 and 50% HFC-143a, exceeding 15% HFC-143a by mass. Used in commercial refrigeration systems like supermarket display cases and transport refrigeration. Classified under 3827.61.00.00 due to high HFC-143a content without CFCs or HCFCs.
HFC-143a R-404A Replacement Blend
Low-GWP refrigerant mixture with over 15% HFC-143a designed as drop-in replacement for R-404A in medium/high-temp refrigeration. Contains HFC-143a blended with other HFCs for cascade systems. Meets 3827.61.00.00 criteria for HFC-143a dominant mixtures.
HFC-143a Industrial Chiller Fluid
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.
HFC-143a Supermarket Refrigerant R-508
Azeotropic blend of HFC-23 and HFC-143a (>15% by mass) for low-temperature supermarket freezers and ice cream cabinets. Provides superior cascade refrigeration performance. Qualifies for 3827.61.00.00 due to specified HFC-143a content.