Does anyone know of anyway to mark board edges with a material that can withstand some of the stronger aqueous inline cleaning chemistries? We are using a Kyzen A4520 @ 15% 150F and our Uni-paint pen marks are coming off at clean. Now we run the boards through the cleaning process up to 5 times before the assembly is completed, so the material needs to adhere well enough to handle multiple cleaning steps. We also don't want to spend a great deal of time performing the marking step. We are considering using labels now versus pen paint, but if possible would like to stay with an ink or paint. Any help would be appreciated. Thank You. Chris Schaefer Suntron Corporation Process Engineer 540 N. Rogers Road Olathe, Kansas 66062 913.393.5878 [log in to unmask] --------------------------------------------------- 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 -----------------------------------------------------