Bob I suggest, as it's an acrylic and easy to strip, you strip the lot, do your rework, clean and recoat. It's risk-free. A pure water wash at < 60 °C will probably not do much harm to an acrylic but any temp excursion (wash or dry) > 70 °C will certainly damage it. Any additive to the water ditto. Play safe. Brian bbarr wrote: > > I have some boards that are coated with acrylic conformal coating. We have > to do a few chip replacements. The coating will be selectively stripped > around the chips and the rework performed. Is there a problem with sending a > coated board through an in-line aqueous cleaner? I am running just water at > 130 degrees F. Will the pressure damage the coating? Will the water > recycling system become contaminated? Do I have to strip the board > completely prior to rework to avoid any problems? > > Thanks for your help. > > Bob > > Robert Barr > Manufacturing Engineering > Formation, Inc. > Voice: 856-234-5020 x3035 > Fax: 856-234-6679 > email: [log in to unmask] > > --------------------------------------------------------------------------------- > Technet Mail List provided as a free service by IPC using LISTSERV 1.8d > 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 delivery of Technet send the following message: SET Technet NOMAIL > Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 > --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d 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 delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------