Jason,

I asked this question on the Technet a few months ago and the consensus at the time
appeared to be that a metal / wooden handled natural horsehair brush would not generate
static charges and was the most cost effective solution.  I tried out a number of
different 'ESD' safe type brushes, but they were very expensive and I couldnt get any
resistance readings off 2 of the brushes.

We continue to use horsehair brushes with no apparent adverse effects on our products.

Maybe it would be a different story if you had some really ESD sensitive components on
your boards.

Here is a question from an ignorant Production Engineer (myself) - How do you measure
the 'static disspative' property of a material?  I use my multimeter set to 200mega
ohms, which seems to work for most materials, but other materials I get no reading.  Is
a multimeter the correct way of doing this?

Regards,

Chris Murphy

"Jason Larson, AScT" wrote:

> Hi Technet, question about use of brushes and ESD
>
> We need a brush to remove lead clippings from the backside of the board,
> seem to stick between FET leads when operators put the boards down on the
> table.
>
> Is there a material of choice for brushes?
>
> Thanks,
>
> Jason Larson
>
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