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September 2003

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Subject:
Re: Liquid Mask
From:
Reuven ROKAH <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 4 Sep 2003 12:29:58 +0300
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Ammonia based can attack the copper on the PCB.

Other issue to take care is the UL - flame retardant issue.

The material must be controlled to its UL class.


Best  Regards

ROKAH Reuven




                      Kathy Kuhlow
                      <[log in to unmask]         To:      [log in to unmask]
                      OM>                      cc:
                      Sent by: TechNet         Subject: Re: [TN] Liquid Mask
                      <[log in to unmask]
                      >


                      03/09/2003 22:48
                      Please respond
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                      Please respond
                      to Kathy Kuhlow





A lot of peelable masks can be ammonia based and I think would be
detrimental.  Would you consider a washable mask?  Or better handling
instructions/processes to eliminate the tacking completely?


Kat
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