Coolant Properties

Property                 Water      EtGly      PropGly      Units

boiling point            100         197          188       deg C
freezing point             0         -13                    deg C
molar heat capacity       18          36           45      cal/mol-C
specific heat              1        0.58         0.59     cal/gram-C
vaporpressure at 25 C     24        0.12         0.13 
torr molecular weight     18          62           76      gram/mol 
heat of vaporization    9.72       12.06        12.94     kilocal/mol 
heat of vaporization     540         195          170      cal/gram 
viscosity at temp.     1 @ 20 C   13.6 @ 30 C   18.0 @ 40 C