Both.  I have more concerns with the proposed when it is a jar that has been opened, then closed with some quantity of "room air".

Dick Krug, CSSBB, CSMTPE
Senior Process Engineer
Sparton Complex Systems
30167 Power Line Road
Brooksville, FL  34602-8299
p (352) 540-4012  (Internal Ext. 2012)
[log in to unmask]

From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Wednesday, March 13, 2013 12:04 PM
To: TechNet E-Mail Forum; Richard D. Krug
Subject: Re: [TN] Cooling of Solder Paste Overnight

Hi Dick - what is the solder paste container: a SEMCO type tube or a jar?

Dave Hillman
Rockwell Collins
[log in to unmask]<mailto:[log in to unmask]>



From:        "Richard D. Krug" <[log in to unmask]<mailto:[log in to unmask]>>
To:        <[log in to unmask]<mailto:[log in to unmask]>>
Date:        03/13/2013 07:42 AM
Subject:        [TN] Cooling of Solder Paste Overnight
Sent by:        TechNet <[log in to unmask]<mailto:[log in to unmask]>>
________________________________



It has been proposed that we take left over solder paste and store at ~60 F overnight to extend life and integrity of paste.  This would be paste in its original tube or jar, not recovered from a stencil.  We are located in Florida.  During the summer, when the AC is reduced overnight, temperature in the building gets to ~85 F.

Has anyone done this?  What are the pro's and con's?

Dick Krug, CSSBB, CSMTPE
Senior Process Engineer
Sparton Complex Systems
30167 Power Line Road
Brooksville, FL  34602-8299
p (352) 540-4012  (Internal Ext. 2012)
[log in to unmask]<mailto:[log in to unmask]>

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