Hi Doug,

So what does he say about the typical HVAC air conditioning units? They may
push the air with metal squirrel cages or metal fans (or they could be
plastic fans), but I'm sure nowadays much of the ducting is plastic or some
sort of plastic composite. Maybe he would be happy with someone standing
there fanning people with a palm frond...  :^)

Steve

On Wed, Jun 1, 2016 at 8:14 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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