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]> Sent by: TechNet <[log in to unmask]> 03/07/2006 01:58 PM Please respond to TechNet E-Mail Forum <[log in to unmask]>; Please respond to [log in to unmask] To [log in to unmask] cc Subject [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 --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------