We have recovered a large number of bare boards and components with EnviroGold 816 saponifier at 10% in an Aquastorm 200 or using plasma oven with CF4 and Oxygen to remove thick oxides. If these are of interest please contact me off-line. Terry Munson Foresite 765-457-8095 In a message dated 12/10/2009 3:18:47 P.M. Eastern Standard Time, [log in to unmask] writes: Vic, The boards are HASL-SnPb. I am expecting the worse, that they were stored in an uncontrolled environment. Lee Whiteman, PMP Senior Member Engineering Staff L-3 Communications East Telephone: (856) 338-3508 FAX: (856) 338-2906 E-Mail: [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez Sent: Thursday, December 10, 2009 3:07 PM To: [log in to unmask] Subject: Re: [TN] BOARD SOLDERABILITY Is the HASL SnPb or LF? Where the samples stored in their original package material Vic, -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian Sent: Thursday, December 10, 2009 12:59 PM To: [log in to unmask] Subject: Re: [TN] BOARD SOLDERABILITY Lee, Yes, EDTA, BUT can you be sure you have got it all off of your board, especially from the solder mask? Bev RIM -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Lee Whiteman Sent: Thursday, December 10, 2009 1:54 PM To: [log in to unmask] Subject: [TN] BOARD SOLDERABILITY One of my colleagues has a HASL finished board, that sat in our stockroom for ~ 10 years, and of course he want to use them (EOY Billing). Ran the board through wave soldering, and it did not solder at all. Good news was that the board was not damaged by the heat - it just was not solderable. I do not want to use a more active flux since it will be difficult to clean. Are there any solutions / processes that can restore board solderability? Thanks in advance. Lee Whiteman, PMP Senior Member Engineering Staff L-3 Communications East Telephone: (856) 338-3508 FAX: (856) 338-2906 E-Mail: [log in to unmask] --------------------------------------------------------------------- This transmission (including any attachments) may contain confidential information, privileged material (including material protected by the solicitor-client or other applicable privileges), or constitute non-public information. Any use of this information by anyone other than the intended recipient is prohibited. If you have received this transmission in error, please immediately reply to the sender and delete this information from your system. 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