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Date: Fri, 14 Nov 1997 20:46:06 -0600
From: Jason Weisacosky <hypoxic@tr*.mi*.or*>
To: "John R. Rose" <rose@CS*.Sc*.ED*>
CC: Kevin Connell <kevin@nw*.co*>, cavers@ge*.co*, techdiver@aquanaut.com
Subject: Re: Balloon grade Helium
I have a question for you, John.  The word "cut".  What else do you "cut"?

John R. Rose wrote:

> Kevin,
>
> When I jokingly referred to "balloon grade" helium, I had no idea that
> suppliers would actually "cut" helium with a cheaper gas.
> I was really referring to 99.99% pure helium. My supplier does NOT have
> a separate balloon grade.
>
> -John
>
> > Now I don't have first hand experience on this (my supplier doesn't do
> > this) but I've heard that some suppliers actually use a really low grade
> > helium and mix it with another cheaper gas (nitrogen) for a specific
> > "balloon" application.   This makes it cheaper than the pure industrial
> > stuff, but still floats balloons.



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