Try N-methyl pyrrolidone, this may work, or call Dynasolve at (201)
887-9270, they will have something for sure. I don't know if they sell to
individuals.

Calvin


-----Original Message-----
From: Don Holtz <daholtz@AXIONET.COM>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Saturday, December 05, 1998 3:51 PM
Subject: [OT] PCB coatings and their solvents


>Hi!
>
>Does anyone know what kind of solvent would work for cleaning/dissolving
>the green conformal coating that is used to stop oxidation on most
>commerical PCB's.
>
>I often need to do small repairs on PCB's.  Currently I scrape the coatings
>off which can be difficult, and dangerous (for fear of damaging the board
>too much).
>
>It would be great if I could use a cotton swab to clean the board in the
>vicinity of where I will be working!  I have tried MEK (Methly Ethly
>Keton), Xylene, Ascetone, and Laquer Thinner - none of which seem to affect
>the green coating!
>
>Cheers, and thanks!
>
>Don