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Synthetics are not created from crude oil like conventional oils but rather by
reacting various organic chemicals together. So they are hydrocarbon chains
like Mr. Hirth suggested but they are not petroleum based! (And I don't think
that they are a suitable substitute for vegetable oil, either.) The polymeric
substance that I talked about earlier is added and known as a viscosity index
improver. Polymeric means that it's a long-chained molecule (a polymer). Since
it has interlocking molecule chains they resist viscosity losses at high
temperatures which allows the oil viscosity to remain thicker at temperature
where conventional oil fails. And yes, synthetic oil is better than
conventional oil at removing heat.
Has this subject been beaten enough or what?!
Toby Erkson
______________________________ Reply Separator _________________________________
Subject: Re: Synthetic oils (same theory for trannies!)
Author: type-3-errors@umich.edu at SMTPGATE
Date: 12/21/96 5:25 PM
...
I'm fairly sure that the Synthetic Oils are just highly specific groups of HC
chains (based on chromatograph fingerprints). (I'm suppose to help keep this
stuff (petro) out of people's water supplies in NC). However, if there are
aftermarket solvents in the oil, it should be considered a haz waste, and
dropped off at at community pick-up location.
--
Dan Hirth
Raleigh, North Carolina
dhirth@mms.net
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