On Fri, Aug 29, 2014 at 9:06 AM, Jerry Biehler <[email protected]> wrote: > Ahh, I see why viton now. Viton and nitrile are pretty interchangeable for > vacuum systems. They both have their advantages and disadvantages. Viton is > more chemical resistant but it also holds water and out gasses longer than > nitrile. Almost all of the electrometric seals in my system are nitrile and > I can get down to 10^-8 torr without much problem.
Cool, good to know, I guess I want a nitrile stopper then! That is something I didn't search for at all... I wonder what NASA has to say about them (though of course they're probably swinging the temp in their walk-in space simulator chambers since space is cold). > How low are you trying to go? 10^-8 is where the instrument hovers I believe. > > This is my little system at home: http://flic.kr/p/kaT8XR Sweet! For imaging? _______________________________________________ dorkbotpdx-blabber mailing list [email protected] http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber
