Solstice N40X HFC Refrigerant from China
Solstice N40X (R-454A: HFC-32/HFO-1234yf 72/28%) for new AC systems, very low GWP. HTS 3827.69.00.00 applies to its HFC content without CFCs/HCFCs. A2L mildly flammable classification.
Duty Rate — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Classify as UN1950 2.1 flammable gas; requires special ventilation in transport
• Include LFL/UFL data (4.1-20.5%); train handlers per OSHA 1910.119
• Confirm no HCFC stabilizers for SNAP low-GWP eligibility