[AJD] anti freeze

[Brad Loomis]

Dang John,
Didn't know that Santa Maria got that cold!

Brad Loomis
San Miguel, CA

-----Original Message-----


Interested parties??

I almost hate to prolong this thread, but both views may be materially
correct.  Putting antifreeze on top of water is one experiment, but water on
top of
antifreeze would be a different experiment.  Given that the density of
ethylene glycol is 1.1 g/mL, while the density of water is 1.0 g/mL, putting
the
denser ethylene glycol on top of water would probably mix faster by
diffusion than
water on top of antifreeze, especially if the channels are narrow in the
radiator, etc.   Of course my true chemist colleagues would be glad to tell
you
that biochemists know just enough chemistry and enough biology to be
dangerous.
Some of my tractors spend their winter in the cold country, I premix 50-50
before putting it into my thermosiphon tractors just to be sure.

Take care, John Maxwell
Santa Maria CA
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