Phil,

I believe there are possible versions of mustard and nerve gases formed.

David A. Douthit
Manager
LoCan LLC

Crepeau, Phil (Space Technology) wrote:

>hi,
>
>if the vapor phase material is a fluorocarbon, i'd be very cautious.  not in regard to an explosion, but in regard to very toxic gases that can form when fluorocarbons pyrolyze.  from.- http://www.cdc.gov/mmwr/preview/mmwrhtml/00051631.htm
>
>'As a cigarette is smoked, fluorocarbons are then burned or "pyrolyzed", and the products of decomposition are inhaled with the cigarette smoke. The actual products of decomposition may vary and are dependent on which polymers were used and at what temperature and humidity they were burned. The most common known products of pyrolysis include inorganic fluorides, hydrogen fluoride, carbonyl fluoride, and perfluoropropane.'
>
>phil
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]]On Behalf Of Jason Gregory
>Sent: Tuesday, April 19, 2005 10:49 AM
>To: [log in to unmask]
>Subject: [TN] Welding and Vapor Phase fluid
>
>
>Hello all,
>
>I need to grind and re-weld a bracket in my vapor phase machine and was
>wondering what precautions to take? There is a very thin residual amount of
>VP fluid at the bottom of the tank after draining.
>
>Any takers?
>
>Jason Gregory
>Manufacturing Engineer
>Innova Electronics
>(281)653-5593
>(281)653-5594 fax
>(281)212-0844 cell
>[log in to unmask]
>
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