[sdiy] DIY soldermask coating?

[Bradley Slavik]

What about that liquid electrical insulator that is used in places
where electrical tape would be inconvenient? Looks like there
is a brand called Liquid tape. I know this is rated for much higher
voltage than you probably need. Does it stick well to copper? I
don't know. Call the manufacturer at 800-969-5432.

Bradley

 On Thu 10/09/02 09:14 , Dave Kendall davekendall at ntlworld.com sent:
> Hi All.
> 
> I've got some long single-sided PCBs I got from the downsizing 
> maintenence dept. of a audio visual studio. (Someone suggested they 
> might be spare buss bars for an old mixer).  Each has 4 long copper 
> traces with several sets of holes spaced across the 4 traces at 0.156 
> intervals ( just like MOTM-format power connections). I plan to use 
> 
> insulate the large unused copper areas of the traces, leaving just a 
> small area of copper under each hole for soldering pin headers on to.
> 
> Anyone know of a relatively tough spray-on, or paint-on electrical 
> insulation coating that won't react badly with bare copper? doesn't 
> matter if it's opaque or transparent, but it has to do the same job as 
> the solder-mask coating on the solder-side of commercial PCBs.
> 
> Cheers,
> Dave
> 
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