Marine R404a Refrigerant Gas is a hydrofluorocarbon (HFC) blend commonly used in low-temperature refrigeration systems. It is designed for marine applications, offering efficient cooling for commercial and industrial refrigeration. R404a is known for its stability and compatibility with existing equipment.

Marine R404a Refrigerant Gas Key Specifications:

- Chemical Composition: HFC blend (R-125/143a/134a)

- Grade: A1 (non-flammable, low toxicity)

- Boiling Point: -46.5°C (-51.7°F) at 1 atm

- Critical Temperature: 72.1°C (161.8°F)

- Critical Pressure: 37.3 bar (541 psi)

- Density (Liquid, 25°C): 1,045 kg/m³

- Viscosity (Liquid, 25°C): ~0.15 mPa·s

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

- Ozone Depletion Potential (ODP): 0

- Global Warming Potential (GWP): 3,922

- Material Compatibility: Compatible with POE oils, metals (copper, steel, aluminum), but not with natural rubber

- Cylinder Sizes: Common marine sizes include 10kg, 20kg, 50kg, and ISO containers

- Operating Pressure Range: High-pressure refrigerant (discharge ~20-30 bar)

- ASHRAE Safety Classification: A1

- Auto-Ignition Temperature: >600°C

- Solubility in Water: Low (hydrolysis-resistant)

- Typical Marine Applications: Low/medium-temperature refrigeration systems, fishing vessels, cargo holds