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Date:         Wed, 13 May 2009 21:07:42 -0400
Reply-To:     Allan Streib <streib@CS.INDIANA.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Allan Streib <streib@CS.INDIANA.EDU>
Subject:      Re: How long do I have?
Comments: To: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
In-Reply-To:  <040e01c9d421$3d8119d0$6401a8c0@PROSPERITY> (Scott Daniel's
              message of "Wed\, 13 May 2009 16\:19\:13 -0700")
Content-Type: text/plain; charset=us-ascii

Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> writes:


> 'regular poisonous' anti-freese is etylene glycol.  I 'think' the
> non-poisonous kind is propylene glycol, but don't quote me on that,.


You are correct.  Proplyene glycol is actually used as a food additive.
The most well-known brand I've heard of is called Sierra.


Read about it though, seems like it's really not the best choice.  Heat
can break down forming acids which corrode your cooling system, it can
also support bacteria growth causing slime and corrosion (though I'd
guess in an engine the heat would tend to kill off any bacteria).


http://en.wikipedia.org/wiki/Antifreeze#Propylene_glycol


Allan
--
1991 Vanagon GL
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