Hi Kenny, I wouldn't think that 42% humidity would be bad for the PCB's (if they're FR4, polyimide is another story), but I've seen flux go bad from one day to the next when using a foam fluxer, especially if it has been left exposed to the air in the fluxer. Maybe changing the flux out for fresh flux might help? Steve -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Ken Bloomquist Sent: Wednesday, April 16, 2008 12:15 PM To: [log in to unmask] Subject: Re: [TN] Out Gassing Joyce, In one day? I guess anything is possible. The entire kit has been in our production area for the last three days, 42% humidity at 69 degrees F. KennyB -----Original Message----- From: Joyce Koo [mailto:[log in to unmask]] Sent: Wednesday, April 16, 2008 10:07 AM To: [log in to unmask]; Ken Bloomquist Subject: Re: [TN] Out Gassing Moisture absorption ? -------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------