Refrigerant R-410a is a kind of refrigerant of surrounds-protection model, used in replacing R22 R502. It has a good nature of cleaning, low poison, non-combustion, good-refrigeration and so on, and greatly used in air- conditioner
Formula  CHF2 F2/CHF2CF3
Boiling Point ( º C)  -52.7
Vapor pressure(25º C), Mpa, ABS  1.648
Liquid density(25º C), kg/L  1.063
Critical temperature º C  72.5
Critical Pressure Mpa  4.9496
Critical density kg/m3  500
Gas heat capacity (1 ATM, 25 º C), kg(kgk)  0.84
Liquid heat capacity (1 ATM, 25 º C), kg(kgk)  1.68
Solubility of water in R410a (wt%)  0.28
HFC-32 %(W/W)  50± 2
HFC-125, %(W/W)  50± 2
Water, ppm ≤  10
Acidity, ppm ≤  1
Residue mg/kg ≤  100
Non-congealing gas-phase, % (v/v), ≤  1.5