I think you will find upon analysis (chromatography or FTIR) that
amine antistatic agent and diallyl phthalate plasticizer are the two
contaminats from pink poly.  I know the amine can cause solderability
problems.  Perhaps a mild etch could be used prior to soldering or a
more highly activated flux.

Pat Hogue
Materials and Processes
[log in to unmask]

> ----------
> From:         Mike Bailey[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;Mike Bailey
> Sent:         Thursday, June 04, 1998 7:33 AM
> To:   [log in to unmask]
> Subject:      [TN] Anti-Static Bags
>
> Has anyone experienced problems with packaging bare PCB's in the pink
> anti-static bags?  We are seeing a "waxy"image transfer from the bag
> to
> the panel after what appears to be several months of storage in a
> controlled atmosphere.  It is aggravated by stacking individually
> packaged boards on top of each other and has occurred on several
> different surface finishes. The substance can also be found on the
> non-board side of the bag.  Does anyone know of  what the coating
> might
> be comprised?  Would you predict solderability issues etc?
>
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