R-404A Equivalent HFC-125 Blend from Mexico
Near-azeotropic refrigerant blend with 62% HFC-125, HFC-143a, and HFC-134a as R-404A replacement for supermarket refrigeration. Optimized for existing equipment retrofits. 3827.62.00.00 due to HFC-125 ≥55% requirement.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide retrofit compatibility test data and pressure-temperature charts
• Include ASHRAE 34 safety classification (A1) documentation
• Exact blend composition tolerance (±1%) must be certified for customs