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August 2003

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Subject:
From:
Mel Parrish <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 27 Aug 2003 08:46:56 -0500
Content-Type:
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Hi Bev and all,
I think that we need to be a little cautious concerning grouping of all
products simply by the color. Historically there was a restriction from the
use of Pink Poly which was in the classification of Static Dissipative that
did cause solderability issues due to release of surface treatments to
materials stored in or near the material. This was well documented at the
time and other more preferable materials were required such as the nickel
layered materials that were not prone to this characteristic while adding
shielding capability. The color is not the issue but the actual properties
of the material is. Even when there was a serious issue with the pink poly
material there were other pink materials that were OK to use.

Best regards,

Mel Parrish
Director, Training Materials and Resources
Soldering Technology International Inc.
102 Tribble Drive
Madison, AL 35758
256 705 5530
256 461 9566 Fax
[log in to unmask]
www.solderingtech.com

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Bev Christian
Sent: Wednesday, August 27, 2003 7:11 AM
To: [log in to unmask]
Subject: Re: [TN] ESD Pink Bubble Wrap/Bags


Wee Mei,
We also had a case where a pink poly had an amine in it and one of our
employees broke out in a horrible rash - to the point where she was taken to
the hospital.
regards,
Bev Christian
Research in Motion

-----Original Message-----
From: Lum Wee Mei [mailto:[log in to unmask]]
Sent: August 27, 2003 3:47 AM
To: [log in to unmask]
Subject: [TN] ESD Pink Bubble Wrap/Bags


Hello,

We recently ordered cushioned ESD bags and a big roll of the pink bubble
wrap. The pink bubble wrap is used to wrap PWBA that are bigger than
those ESD bags that we ordered. I have heard that pink bubble bags have
impact on PWBA even though they are ESD. However, my supplier ensure
that there is no problem or impacts at all as long as they are ESD coated.

I just came back from the IPC-A-600 Inspector course and was told by my
instructor that pink bubble bags absorb moisture readily and will age
the PWBA ESD coated or not as it produce dioxin. This will cause the
PWBs difficulty in wetting.

I just searched the TechnNet archieves but I am lost in those messages.
Can someone be kind enough to give me some good reference or advice what
am I going to do with that big roll of pink bubble wrap?

Thanks and regards,
Wee Mei

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