Hi Doug,

It's difficult to get just the right tool at times, but to use natural
fibers is best.
Here's an excerpt from IPC-A-610

IPC 3.1.2  TABLE 3-1

Table 3-1 Typical Static Charge Sources
Work surfaces Waxed, painted or varnished surfaces
Untreated vinyl and plastics
Glass
Floors Sealed concrete
Waxed or finished wood
Floor tile and carpeting
Clothes and
personnel
Non-ESD smocks
Synthetic materials
Non-ESD Shoes
Hair
Chairs Finished wood
Vinyl
Fiberglass
Nonconductive wheels
Packaging and
handling
materials
Plastic bags, wraps, envelopes
Bubble wrap, foam
Styrofoam
Non-ESD totes, trays, boxes, parts bins
Assembly tools
and materials
Pressure sprays
Compressed air
Synthetic brushes
Heat guns, blowers
Copiers, printers
Table 3-2 Typical Static Voltage Gen





P. Lance Mayes CIT
MFG. Trainer



"Douglas O. Pauls" <[log in to unmask]>
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[TN] ESD and paintbrushes






OK, I have not asked a stupid question all day, so I am due.

We do a fair amount of conformal coating by hand, using artist brushes.
Would you consider paintbrushes with soft nylon bristles to be ESD hazards
and if so, why?

Doug Pauls

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