Jim,

If memory serves me correct, Freon and fluorinert are very close,
chemically. I remember it because some sites I supported had to get rid of
the stuff during the ODC elimination days, and since Freon and fluorinert
are hazardous chemistries, my friends in EH&S were not happy with me. Both
chemistries have high ODC ratings.

If the fluorinert became to saturated with water, it would become acidic
(hydrofluoric acid). That's why many vapor phase units had water separators
within the system. A way to tell this (rule of thumb) is when the vapor
became cloudy. This also happens with Freon in a vapor degreaser.

You can call me off-line for additional information.

Hope this helps.

Good Luck.

Lee Whiteman
Senior Manufacturing Engineer
E-Mail: [log in to unmask] <mailto:[log in to unmask]>
Ph: (610) 362-1200 x208
Fax: (610) 362-1290



> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Marsico, James
> Sent: Monday, October 15, 2001 12:49 PM
> To: [log in to unmask]
> Subject: [TN] Vapor Phase Soldering material
>
>
> Back in the days of vapor phase soldering, I seem to recall that
> hydrofluoric acid was a bi-product of the fluorinert mixed with water, or
> was it the Freon mixed with the fluorinert?   Could anyone elaborate?
>
> Jim Marsico
> Senior Engineer
> Production Engineering
> EDO Electronics Systems Group
> [log in to unmask] <mailto:[log in to unmask]>
> 631-595-5879
>
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