CA Glue

[John Delmore]

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Ahhh.  That makes sense since moisture is necessary for the =
polymerization
reaction!  Won't be a problem here in bayou country-we think 70% Rh is a
"dry" day!!!
John
=20
  _____ =20

From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On =
Behalf
Of Andrew and Rebeca Anderson
Sent: Thursday, August 18, 2005 3:43 PM
To: Pianotech
Subject: RE: CA Glue
=20
John,
Low single digit Rh numbers means the CA runs & runs and runs...and =
takes a
loooooooooong time to seeeeeeeeeeeeeet.  Needs moisture.  In dry =
conditions
I'll wet joints and then add CA.

Andrew
At 09:27 AM 8/18/2005, you wrote:


Oops, typo.  Should be a very WEAK solution.  Maybe two or three little
Drano crystals in a quart of water.  Mind you, this is all untested =
theory,
but the chemistry says it should work.
=20
Susan:  The Elmer=12s could be interfering with the cyanoacrylate
polymerization in a good way.  (Sorry, sometimes I get carried away and
forget that not everyone uses =13normal=14 words the same way we =
chemists do!)
I think Elmer=12s is from an organic source (still horses?) which the CA =
would
=13stick=14 to, and could make the bond stronger than a homogenous CA =
polymer
due to increased branching and interlocking of the molecules.  My =
question
(perhaps because I have as yet zero experience with CA in piano
applications) is =13Why do you need a =13super-glue=14 accelerator?=14  =
Every time
I=12ve used it, it bonds very quickly on it=12s own.=20
John Delmore
=20
  _____ =20

From: pianotech-bounces@ptg.org [ mailto:pianotech-bounces@ptg.org
<mailto:pianotech-bounces@ptg.org> ] On Behalf Of Avery Todd
Sent: Wednesday, August 17, 2005 5:43 PM
To: Pianotech
Subject: Re: CA Glue
=20
And this means what?????????=20

Avery=20

As I said, VERY WEAD lye (NaOH, Drano=20


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