[labnetwork] Looking for a replacement cooling fluid to Novec7200 for our cold chuck probe station.

[Mark Weiler]

Hi Robert,

Have you tried Dynalene?  They may have a compatible replacement.

Dynalene
5250 West Coplay Road
Whitehall, PA 18052
PH:  610-262-9686 
FX:  610-262-7437
www.dynalene.com



Best,
Mark


Mark Weiler
Manager, Equipment and Facilities
BNL - CMU
412-268-2471

“Let not any one pacify his conscience by the delusion that he can do no harm if he takes no part, and forms no opinion. Bad men need nothing more to compass their ends, than that good men should look on and do nothing.”  JSM




> On Feb 27, 2026, at 2:20 PM, Robert Vandusen <RobertVandusen at cunet.carleton.ca> wrote:
> 
> Hello colleagues and fellow researchers.
> Here at Carleton University we have a Semiprobe probe station with an ATT (Advanced Temperature test systems) M300 cold chuck (-40C to 100C) that uses the now obsolete 3M NOVEC HFE 7200 cooling fluid.
> The manufacturer has only listed one alternative fluid – JD7076 which we cannot find in North America.
> The one possible alternative we have found online,  is a product called ETI 7200 from Envirotech International (out of Chicago) but this has not yet been approved but the manufacturer.
>  
> Just wondering if anyone in the labnetwork community has ran into this or has one of these systems.
>  
> Thanks in Advance
> Robert Vandusen
>    Microfabrication Lab Facility Manager
>    Electronics Department
>    Carleton University
>    room: 4184 Mackenzie Building
>    613-520-2600 ext 5761  Cell 613-791-5761
>    Robert_vandusen at cunet.carleton.ca <mailto:Robert_vandusen at cunet.carleton.ca>
>  
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