[pianotech] Graphite paste

[Ron Nossaman]

On 1/19/2013 7:17 PM, David Skolnik wrote:
> Is it the same stuff Steinway (and maybe others) used in the rep spring
> slots before either Emralon or Dag?

I have no idea, nor will anyone else be able to give you a trustworthy 
answer, though there are likely a lot of different ones.


>What about various trapwork pins?
> or between leaf spring and sustain trap lever?  If it worked in those
> applications (not the rep levers) for, say, 10 years, before failing,
> would that make it grungingly acceptable?

Before there were alternatives, yes. Now, no. I don't see much reason to 
use black gunk that tracks all over when better alternatives exist.

Ron N