... temperature, ℃: 86.74 Critical pressure,Mpa: 4.619 Gas heat capacity(1 atm,25℃),KJ/(kgK): 0.829 ... heat capacity(1 atm,25℃),KJ/(kgK):1.54 Gas heat conductivity(25℃),W/(mK): 0.01314 Liquid ... ≤:1 Residue on evaporation,mg/kg≤:100 Non-congealing gas in gas-phase,%(v/v), ≤:1.5 Property and application: ... a kind of refrigerant of surroundings-protection model,used in replacing R22 & R502.It has a good nature ...