[pianotech] epoxy problems - was green piano

[Bruce Browning - The Piano Tuner]

Ron,
Clamping too tightly can also lead to a weak joint.


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> Just curious Ron, did you use West System epoxy? Did you use fillers?
> If so, what kind? How did you measure your 5:1 mixing ratio? I don't
> like the pumps at all for measuring. I always use a good scale. And in
> the case of mixing up smaller batches, it becomes more and more
> mandatory to measure with a good scale. Temperature can also be an
> issue - was it cold?
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> I'll look at work tomorrow (yes, I'm finally back, but still working on
> getting
> benefits restored...) I'm pretty sure it was West System, no fillers, temp
> around 70ish.  Left it overnight to cure.  I'm sure there was user error;
> though
> I do remember getting out the little digital scale and trying to do it
> right  ;-)
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> Knowing me, I probably did a 1:1 mix....
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> Ron Koval
> chicagoland
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