Solstice N40X HFC Refrigerant from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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