Steve

Yes it is non-ODP but it is VERY GWP!

I have used a Galden at 260-265°C, many years ago. Quite satisfied with
it.

I have yet to see a non-emitting machine, although some are pretty low.

Bill: There is no reason, at this time, to think that PFCs will be
generally banned like CFC solvents. However, they may be heavily taxed,
or worse, in some countries. Trichloroethylene, to the best of my
knowledge, has been banned only in Sweden. Maybe you are meaning
1,1,1-trichloroethane (which is not usually abbreviated to trichlor),
which has been banned as an ozone-depleter????? That is a horse of a
totally different colour.

Brian

"Stephen R. Gregory" wrote:
>
> Hi ya'll!
>
> Well, I just got through talking with someone at 3M...the FC-71 product has
> been discontinued. The highest boiling point heat transfer fluid they make is
> the FC-70 which boils at 215 º C. Just for grins I asked how much that stuff
> sells for, and was told that it's sold by the pound. A gallon weighs 15-lbs,
> and it's $60.00 a pound! YOWZA! $900 a gallon!!!
>
> Called Galden Fluids, and they have a heat transfer fluid they call HT250
> which boils at 250º C. The say their stuff
> (http://www.inlandvacuum.com/galden.html) is a non ODP chemical. The spec
> sheet for all their stuff is at (http://www.inlandvacuum.com/galdenspecs.html)
>
> A gallon of the HT250 is around $560...anybody ever use this stuff?
>
> Still haven't found anything about the equipment. There's some used stuff out
> there but like Brian said in his post, I want to make sure I find something
> that I won't have to keep pouring this "liquid gold" into to be able run
> it...like the owl says; "I give a hoot, I don't wanna pollute!" (not
> mentioning the cost).
>
> -Steve Gregory-
>
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--
Brian Ellis
Protonique SA
PO Box 78
CH-1032 Romanel-sur-Lausanne, Switzerland
Voice: +41 21-648 23 34 Fax: +41 21-648 24 11
E-mail: [log in to unmask]
URL: Technical and consultancy divisions:
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