Ethylene glycol/water as buffer fluid

[jet1749]

What are the advantages of an ethylene glycol/water mix over straight water as a buffer fluid. Presumably low freezing point and anti-corrosion properties are a plus point, but what about lubricity, viscosity and heat conduction?

 

[25362]

Have a look at:

http://www.astseals.com/Barrier.htm

http://www.tc.gc.ca/tdc/summary/13400/13478e.htm