"Impact Glues"

[David Ilvedson]

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Yep...contact cement...I don't think I know any technicians that use th=
at anymore, except Michael, that is...
David I.




Original message
From: "Joe Garrett" 
To: pianotech 
Received: 9/11/2005 11:00:04 AM
Subject: Re: "Impact Glues"


Michael, The Archaic said: "Impact Adhesive" is available in both large=
 and small quantities - in large
cans and small tubes. It was developed to stick laminates to a sub stru=
cture
as in motorhomes and kitchen work surfaces. One manufacturer is Bostik =
- I'm
sure if you google  <Bostik/adhesives>  it will find them. The object o=
f
this adhesive is that when both surfaces are thinly coated and allowed =
to
become "touch dry" they will bond on impact with each other. You only h=
ave
ONE chance at this, for the union is so very strong. The glue is fairly=
 thin
from the tube which allows the "smearing" action I described to coat bo=
th
surfaces thinly and evenly. Good Luck!
>From a grey, overcast Sunday morning in The Village"

Michael,
On this side of The Roaring 40's, we call that Contact Cement. Yes, it =
does what you say. However, the damned stuff breaks down after a while =
and looses it's bonding! For years, I've been using a gentleman who use=
s contact cement to glue on key tops. Since I've been in the biz for 33=
 years, I'm seeing the ramifications of the use of contact cement. The =
last one, was a key top job that he did 6 years ago. All are starting t=
o come off! Yikes! The customer is NOT HAPPY! This is why I've started =
doing my own keytops, using PVC-E, which he refuses to use."Takes Too M=
uch Time", says he! Yes, it does take waaaay more time when using PVC-E=
, but, hopefully, we'll get a lot more longevity. IMO, Contact Cement/I=
mpact Glue, has no place in a piano. (period)
Regards, 
Joe Garrett, R.P.T.
Captain, Tool Police
Squares R I

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