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
vapor pressure 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

 

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