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Subject:	Potential contamination from pink colored antistatic foam
From:	Joe Macko <[log in to unmask]>
Reply To:	TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:	Tue, 6 Jan 2009 14:57:40 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (45 lines)

Hi All.

 

My question is related to a comment one of our CMs recently made about
not allowing populated/soldered boards to come in direct contact with
pink colored antistatic foam for extended periods of time. This CM was
notified by another customer that they observed discoloration of solder
joints, solderability issues and /or conformal coat adhesion problems
after ~ 90 days due probably to either out gassing and/or a chemical
reaction with the ant-stat chemicals used in the foam. At one time I did
hear about N'octonic acid (not sure of spelling) in pink poly static
bags causing problems but have not heard anything recently.

 

Has anyone heard of or experienced such issues with the use of such
material as pink colored antistatic foam?  Is there a safe anti-stat
foam that does not have these issues/concerns?  Is there a mil spec or
some other industry type spec that regulates the type of anti-stat
material used with electronics?  thanks

 

Best Regards,

-Joe

 


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