R502 , a blend refrigerant of HCFC-22 and CFC-115 . Mainly it is a substitute of R502. used specially in Iow tempreture re-frigerating system.
Molecular weight |
111.6 |
BP, °C |
-45.4 |
Ice point °C |
- |
Critical temperature , °C |
82.1 |
Critical pressure ,Mpa |
4.07 |
Density of saturated liquid 30 °C ,(g/cm 3 ) |
1.217 |
Specific heat of liquid 30 °C ,[KJ/(Kg· °C )] |
1.25 |
Specific heat of equipressure steam(Cp), 30 °C and 101.3kPa[KJ/(Kg· °C )] |
0.147 |
ODP |
0.18 |
GWP |
3.8~4.1 |
Critical density,g/cm 3 |
0.566 |
Vaporization heat under BP,KJ/Kg |
172.5 |
disposable steel cylinder 12kg /30b; recyclable steel cylinder 350kg / 400L , 700kg / 800L , 800kg / 926L