3827.61.00.00/HFC-143a Refrigerant Blend R-507/Japan

HFC-143a Refrigerant Blend R-507 from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Obtain EPA Significant New Alternatives Policy (SNAP) approval and verify HFC-143a percentage via lab analysis before import

• Include Safety Data Sheets (SDS) and refrigerant purity certificates; common pitfall is mislabeling blends leading to reclassification

• Comply with AIM Act allocations for HFC production/import quotas; ensure proper venting prohibition documentation