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)
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