Dexcool class action suit
LL - NY
larrycleung at gmail.com
Fri May 6 08:53:18 EDT 2005
The chem prof chimed in, EG can hydrogen bond in 2 places, and has a
higher molecular mass, so it has a lower vapor pressure, than water.
Sooooo, in an open system (i.e. one that leaks) water would vaporize
sooner than EG, meaning that the concentration of EG would eventually
build up, especially if you only do EG adds. So, there you have it.
LL - NY - no leaks, the dogs don't like it
On 5/5/05, LL - NY <larrycleung at gmail.com> wrote:
> On 5/5/05, Huw Powell <audi at humanspeakers.com> wrote:
> snippage, so I can avoid Brett's "snip(e) ing"...
> Interesting point. II'll ask the Chemistry Prof's I am currently staying with,
> but, if this antifreeze increasing concentration thing is true, I'd
> bet it has to do with the vapor pressures of the two liquids in the
> antifreeze mixture. I'd guess water has a greater one than EG. So, if
> there's a leak, the water would evaporate first. Could be why the
> mixture leaves that nasty sticky residue. But I'll check with them
> tomorrow. Of course, now someone's probably going to tell me that
> Dexcool doesn't use EG as it's basis or something....
> LL - NY
> > When it does leak out, both antifreeze and water get out together. Which
> > at least makes it easy to find, due to the icky dried residue of
> > antifreeze leading back to the leak.
> > > Because if you have to top off, the system isn't sealed.... LL - NY
> > But it is supposed to be. The question I have is how the H2O gets out
> > but not the antifreeze? "Broken" systems, i.e. ones that leak, are not
> > the answer to that question.
> > --
> > Huw Powell
> > http://www.humanspeakers.com/audi
> > http://www.humanthoughts.org/
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