CA Glue

[Don Valley]

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I am very certain it was the chemical reaction from the CA glue, not the
cloth and
felt.  Those same bolts of material were used on many other pianos with
standard
glue methods with no problem.  In fact the same material was used in
re-doing the
plate trim and it still is in fine shape eight years later, so it is not
affected felt.
I also use CA glue for occasional looseness in bridge pins with no problem.
Perhaps
it reacted with some chemical in the felt cloth manufacture.  Speculation.
Don Valley

  _____  

From: David Love [mailto:davidlovepianos@comcast.net] 
Sent: Tuesday, August 16, 2005 12:25 AM
To: 'Pianotech'
Subject: RE: CA Glue



Are you sure it was the CA glue?  I have used CA glue to secure loose bridge
pins sometimes applying the CA directly to the pins without removing the
wire.  I have never noticed any tendency toward corrosion in these areas.  I
have also tacked understring felt with CA at times (though not the thin
understring cloth) and not noticed any problems either.  

 

David Love
davidlovepianos@comcast.net 

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
Of Don Valley
Sent: Monday, August 15, 2005 4:10 PM
To: pianotech@ptg.org
Subject: CA Glue

 

A note and little warning aside from the subject matter discussed.  Perhaps
you know this,

but avoid using CA glue for gluing plate felt & cloth.  I tried doing this
with CA glue when I

did not want to wait for the drying time needed by other glues I normally
use.  Much to my dismay

in several weeks I had to completely restring the piano because the chemical
reaction had

severly rusted the strings where they contacted the felt and cloth.  Not a
good way to learn.

Thought this might be of some interest.  I learned sometimes the quick fix
is not always the

best fix.

    Don Valley


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