Tte polystyrene on the displays is very sensitive to chemicals.  We  
were using an aqueous wash with a saponifier and found that crazed the  
plastic, according to HP.  They were right.

Bob

Sent from my iPhone

On Mar 30, 2010, at 2:05 PM, Bruce Tostevin <[log in to unmask]>  
wrote:

> Gregg,
>
> About 15 years ago at another job we returned a shipment of LCD  
> display
> assemblies because their individual pink poly bags caused crazing on  
> the
> plastic faces. The LCD plastic and the poly bag's ingredients were
> incompatible, so the vendor changed over to generic metallized ESD  
> bags
> afterward.
>
> Bruce Tostevin
> Benchmark Electronics
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Gregg Owens
> Sent: Tuesday, March 30, 2010 10:04 AM
> To: [log in to unmask]
> Subject: [TN] ESD Cap Plugs
>
> Dear TechNet:
>
> There has been discussion on the use of "pink poly" for ESD prevention
> on flight hardware. An expressed concern has been the chemicals  
> added to
> the surface of pink poly can potentially contaminate our products with
> the residue pink poly leaves behind. I have posted a picture of one of
> our boxes which have both the pink poly and black ESD style of cap
> plugs. What are any of your experiences with contamination associated
> with using pink poly? As always, thanks,
>
> Gregg Owens
> Technical Writer - Avionics
> Space Exploration Technologies Corporation
> 1 Rocket Road | Hawthorne | CA | 90250
> 310-363-6533 | [log in to unmask]
>
>
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