Refrigerant Gases

Mihama Refrigerant Gases HFC R-410a

HFC R-410a

A leading high pressure alternative to R-22, comprising R-32 and R-125, for air conditioning and refrigerant applications for new equipment.

Composition (wt%) R-32/R-125 = 50/50
Property S.I. Units Value British Units Value
Molecular Weight kg/kmol 72.59 lbm/lbmol 72.59
Critical Temperature °C 71.35 °F 160.43
Critical Pressure bara 49.02 psia 710.96
Critical Density kg/m3 459.53 lb/ft3 28.69
Atmospheric Bubble Point °C -51.443 °F -60.6
Atmospheric Dew Point °C -51.364 °F -60.5
Latent Heat of Vapourisation at Atmospheric Pressure kJ/kg 279.12 BTUIT/lb 120
Saturated Vapour Density at Atmospheric Pressure* kg/m3 4.1742 lb/ft3 0.26
Liquid Vapour Pressure @25°C bara 16.574 psia 240.4
Coefficient of Volumetric Thermal Expansion for Saturated Liquid at 25°C °C-1 0.0051708 °F-1 0.00287
Speed of Sound* for Saturated Vapour at 25°C m/s 161.86 ft/s 531.04
Adiabatic Exponent* for Saturated Vapour at 25°C 1.58 1.58
Latent Heat of Vapourisation at 25°C kJ/kg 190.6 BTUIT/lb 81.94
Saturated Vapour Density at 25°C* kg/m3 65.972 lb/ft3 4.12
Saturated Vapour Density at 0°C* kg/m3 30.576 lb/ft3 1.91
* Vapour composition as per bulk refrigerant at dew point