Fans are air handlers, plastic blades may generate triboelectric
charging in extremely dry air, but these fans can't possibly
"accelerate" the ionized air towards susceptible electronics. If these
fans could throw ions across the room, CERN would have built the LHC
with fans from walmart.

On Wed, Jun 1, 2016 at 10:14 AM, Douglas Pauls
<[log in to unmask]> wrote:
> Good morning all,
>
> We had an outside audit "observation" that I would like some outside
> opinions on.  In your facilities, are simple air circulation fans, usually
> plastic blades and a plastic housing (think inexpensive Walmart) targeted
> as an ESD generator?  I have never heard of such and my view is that if our
> humidity stays above the 30% minimum found in most ESD standards, then we
> should not have charge generation.
>
> So, are cheapy plastic fans an ESD hazard?
>
> Doug Pauls
> Principal Materials and Process Engineer
> Rockwell Collins
>
>
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-- 
Bhanu Sood
Tel: (202) 468-8449

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