Bridge Tops & Epoxy

[Farrell]

Heat activated? What exactly are you describing here.

Most any epoxy will cure more quickly when heated and most any epoxy will decrease in viscosity when heated. Are you describing something beyond that?

I use West System epoxy. I don't know exactly how the two viscosities compare. West System is about the same viscosity as most pancake syrups. I have used it on bridge pins with great success.

Terry Farrell
  
----- Original Message ----- 
From: "Alan R. Barnard" <mathstar@salemnet.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Monday, November 04, 2002 10:46 PM
Subject: Re: Bridge Tops & Epoxy


> Hmmm... very good. Gordon (or LIST), do you have a new source for Epotek
> 301? McCall's is out of business now, and my stock, though refrigerated, is
> pretty old. Are there other real-thin, heat activated epoxies out there?
> 
> Alan Barnard
> Salem, MO
> 
> 
> ----- Original Message -----
> From: "gordon stelter" <lclgcnp@yahoo.com>
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Monday, November 04, 2002 6:54 PM
> Subject: Re: Bridge Tops & Epoxy
> 
> 
> > Hi Terry,
> >      I got fabulous results on my last bridge by
> > 1)Removing old graphite from bridge with little brass
> > brush and lacquer thinner. 2) Pulling, then gluing in
> > the pins with Epotek 301 and spreading the squeeze-out
> > across the bridge top with a brush while wafting from
> > afar with a heat gun to thin it ( all done in a very
> > warm room, too, with very low humidity ).
> >      When thoroughly dry and after soundboard
> > finishing, etc., flatten out and take the "nose-shine"
> > off the bridge top epoxy by scraping with the edge of
> > a single edge razor. This is very easy and accurate.
> >     When it is nice and flat and dull looking and
> > uniform, take a pencil and rub it. The dulled epoxy
> > LOVES graphite, and will soon be nice and shiny and
> > silvery-black and neat! Looked first-class! A pencil
> > is a lot easier to control than a brush with black
> > stuff on it.
> >      Thump
> >
> > --- Farrell <mfarrel2@tampabay.rr.com> wrote:
> > > Task: New bridge tops or refurbished (new pins,
> > > renotch). Our preference is to set the pins in epoxy
> > > in either case. Some epoxy will ooze out the top of
> > > the bridge pin hole. You need to clean that up. That
> > > will mess up the nicely dagged top. Is painting the
> > > dag on the bridge top AFTER installing bridge pins
> > > the only way to do this? I'm such a sloppy artist
> > > :-(    What to do?
> > >
> > > Terry Farrell
> > >
> > >
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