Do you mean: 1. Post-wave solder cleaning? 2. Post-reflow solder cleaning? 3. Post-touchup or rework cleaning? 4. Low volume? High volume? High or low PWA mix? 5. Do you have cleaning equipment or will you have to get it? 6. Are the PWAs conformally coated after cleaning? There are many parameters that need to be proivded before a proper answer can be supplied to you. Study the IPC SC-60A Solvent Cleaning Handbook to get a start on this project. Bill Kenyon Global Centre Consulting 3336 Birmingham Drive Fort Collins, CO 80526 Tel: 970.207.9586 New Cell: 970.980.6373 --------------------------------------------------- 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 847-509-9700 ext.5315 -----------------------------------------------------