Dichlorodifluoromethane - Properties
Properties of saturated liquid Dichlorodifluoromethane R-12 - CCl2F2 - density, specific heat capacity, kinematic viscosity, thermal conductivity and Prandtl number.
Properties of saturated liquid Dichlorodifluoromethane - CCl2F2 - density, specific heat capacity, kinematic viscosity, thermal conductivity and Prandtl number:
| Temperature - T - (oC) | Density - ρ - (kg/m3) | Specific Heat - cp - (103 J/(kg K)) | Thermal Conductivity - k - (W/(m K)) | Kinematic Viscosity - ν - (10-6 m2/s) | Prandtl Number - Pr - |
|---|---|---|---|---|---|
| -50 | 1547 | 0.875 | 0.067 | 0.310 | 6.2 |
| -40 | 1519 | 0.885 | 0.069 | 0.279 | 5.4 |
| -30 | 1490 | 0.896 | 0.069 | 0.253 | 4.8 |
| -20 | 1461 | 0.907 | 0.071 | 0.235 | 4.4 |
| -10 | 1429 | 0.920 | 0.073 | 0.221 | 4.0 |
| 0 | 1397 | 0.935 | 0.073 | 0.214 | 3.8 |
| 10 | 1364 | 0.950 | 0.073 | 0.203 | 3.6 |
| 20 | 1330 | 0.966 | 0.073 | 0.198 | 3.5 |
| 30 | 1295 | 0.984 | 0.071 | 0.194 | 3.5 |
| 40 | 1257 | 1.002 | 0.069 | 0.191 | 3.5 |
| 50 | 1216 | 1.022 | 0.069 | 0.190 | 3.5 |
- 1 kg/m3 = 0.0624 lb/ft3
- 1 J/(kg K) = 2.389×10-4 kcal/(kg oC) = 2.389×10-4 Btu/lbmoF
- 1 W/(m K) = 0.85984 kcal/(h m oC) = 0.5779 Btu/(ft h oF) = 0.048 Btu/(in h oF)
- 1 m2/s = 104 St = 106 cSt = 10.764 ft2/s= 38750 ft2/h
Dichlorodifluoromethane - R-12 - is a chlorofluorocarbon halomethane used as a refrigerant and aerosol spray propellant. Manufacturing was discontinued in 1995 due to concerns about damage to the ozone layer.
