R404a is a hydrofluorocarbon (HFC) blend refrigerant commonly used in commercial refrigeration systems.

It is known for its low-temperature applications, such as in supermarket freezers and refrigerated transport.

R404a has a high global warming potential (GWP) and is being phased out in many regions due to environmental concerns.

R404a Refrigerant Gas Key Specifications:

- Chemical Composition: HFC blend (R-125/143a/134a, 44%/52%/4%)

- Size: Typically available in 10kg, 20kg, or disposable cylinders (e.g., 13.6kg)

- Grade: Commercial/Industrial refrigeration grade (ASHRAE A1 safety classification)

- Viscosity: ~0.2 mPa·s (liquid phase at 25°C)

- Buoyancy: Heavier than air (vapor density ~3.3 relative to air)

- Material Compatibility: Compatible with POE oils, metals (copper, steel, aluminum)

- Boiling Point: -46.1°C at atmospheric pressure

- Global Warming Potential (GWP): 3,922

- Ozone Depletion Potential (ODP): 0

- Operating Pressure: High-pressure refrigerant (discharge ~20-25 bar at 50°C)

- Flammability: Non-flammable (ASHRAE Class 1)

- Typical Applications: Commercial refrigeration, transport refrigeration, freezers