Re: [dorkbotpdx-blabber] [DIYbio] Can't find supplier for ~1 inch Viton stopper

On Fri, Aug 29, 2014 at 9:06 AM, Jerry Biehler <jerry.biehler@gmail.com> 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?

--
-- You received this message because you are subscribed to the Google Groups DIYbio group. To post to this group, send email to diybio@googlegroups.com. To unsubscribe from this group, send email to diybio+unsubscribe@googlegroups.com. For more options, visit this group at https://groups.google.com/d/forum/diybio?hl=en
Learn more at www.diybio.org
---
You received this message because you are subscribed to the Google Groups "DIYbio" group.
To unsubscribe from this group and stop receiving emails from it, send an email to diybio+unsubscribe@googlegroups.com.
To post to this group, send email to diybio@googlegroups.com.
Visit this group at http://groups.google.com/group/diybio.
To view this discussion on the web visit https://groups.google.com/d/msgid/diybio/CA%2B82U9L5xKN%2BpDvjc-TraQZRLpgQEmvOMq5CoQtVg4mcPHfkhQ%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.