>Does 3M makes any solderable barnish ?. I use it to make PCB water-tolerant >(not water-proof). The barnish lets you make reworks on the PCB, change >cables, etc. Connectors that fits directly in the PCB can be soldered after >barnish application (jack connectors, etc). They would probably get locked >if using epoxy. > >Have found this stuff in spray, but would prefer to use it liquid like any >wood barnish. Anybody knows who makes it ? I believe Luis means "varnish." I don't know of solder solderable varnishes. The 3M potting compound I use is NOT solderable afterwards - it melts and smells. It is, however, removable sufficiently for me to replace damaged components (heat) underneath. Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================