The white paint pens we've been using to mark on PWB solder mask have been discontinued. These pens required only a room temperature solvent evaporation cure. We've tried a couple of alternatives, but these have washed off with our wash chemistry. I'm looking for alternatives. To maintain non-commercial forum, please send any specific recommendations to me offline. Dick Krug, CSSBB, CSMTPE Senior Process Engineer Sparton Complex Systems 30167 Power Line Road Brooksville, FL 34602-8299 p (352) 540-4012 (Internal Ext. 2012) [log in to unmask] ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________