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September 2011

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From:
Mike Fenner <[log in to unmask]>
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Date:
Tue, 13 Sep 2011 18:48:43 +0100
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You would have to check with supplier, or verify it yourself; but though the
coating is insulating when cured it may well not be uncured in liquid form.

Regards

Mike

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Tuesday, September 13, 2011 4:53 PM
To: [log in to unmask]
Subject: [TN] Pneumatic Syringes and ESD

Good morning all,

Time for a silly question.  The question has been raised internally as to 
the risk of ESD generation when an acrylic conformal coating (an 
insulative material) is applied using pneumatic syringes (also an 
insulative material), through a nylon brush (a third synthetic material).

1.  Do you know of any studies done benchmarking static generation levels? 
 We have done some here, but want to do a sanity check.
2.  If you have such devices in your facilities, what are your mitigation 
efforts?  Air ionizers, grounded tubes?
3.  Does anyone use, and can recommend, ESD safe syringe bodies and caps?

Many thanks in advance.

Doug Pauls
Rockwell Collins

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