A long-term alternative to R-502 for retrofit and refrigeration applications.
Composition (wt%) R-143a/R-125/R-134a = 52/44/4.
R-404A Physical Properties
| Property |
S.I. Units |
British Units |
| Bubble Point |
-46.9 (°C @1 atm) |
-52.4 (°[email protected]) |
| Dew Point |
-46.1 (°C @1 atm) |
-51.0 (°[email protected]) |
| Evaporator Glide |
0.5 (°C @1 atm) |
1.0 (°[email protected] ) |
| Bubble Point Pressure |
12.6 (bara @ 25°C) |
182.75 (psia @77°F) |
| Critical Temperature |
71.6 (°C) (kJ/kg @nBpt) |
160.9 (°F) |
| Latent Heat Vaporisation |
144.5 (kJ/kg @ 25°C) |
62.13 (Btu/lb @77°F) |
| Coeff. Vol. Therm. Exp. |
0.0044 (K-1 0-20°C) |
0.002292 (°F-1 40-80°F) |
| Saturated Vapour Density |
5.39 (kg/m³@nBpt) |
0.336 (lb/cuft @nBpt) |