CA glue---thanks

[paul bruesch]

CA stands for cyanoacrylate. I haven't been to Germany since CA was invented
(OK, I don't know when it was invented, but I haven't been in Germany since
1973!) so I don't know what brands are available there. As for CA between
the block and the pin, it's probably unavoidable, but it is not a problem
unless it drips thru to the action (on a grand). My experience has been that
it wicks itself into the wood before it drips all the way thru. There is
minimal adhesion between pin and block with the CA, and any adhesion breaks
easily with normal tuning lever forces.

Paul Bruesch
Stillwater, MN, USA

On 8/3/07, Gregor _ <karlkaputt at hotmail.com> wrote:
>
> bad luck for me, because Loctite is the only brand you mentioned with the
> same brand name here in Germany. I planned to buy that Loctite stuff, but
> now I will review the situation. Does anybody know a decent CA glue that
> is
> sold in Europe (Germany)? What does CA stand for? I never saw it in
> Germany.
> I think we are talking about that stuff that is sold here as
> Sekundenkleber,
> which means a glue that glues within seconds.
>
> Another question about CA on pinblocks: the theory is that the thin glue
> goes into the wood and makes the pin tighter due to swelling wood. Is it
> bad
> when the glue goes between wood and pin? And how to prevent that? I don´t
> want to glue the pin to the wood. I want the wood to swell, right?
>
> Gregor
>
>
> >From: Tom Sivak <tvaktvak at sbcglobal.net>
> >Reply-To: Pianotech List <pianotech at ptg.org>
> >To: Pianotech List <pianotech at ptg.org>
> >Subject: Re: CA glue---thanks
> >Date: Fri, 3 Aug 2007 05:06:05 -0700 (PDT)
> >
> >Thanks to all for the intelligent responses.  I'll stay away from the
> >Lock-Tite in the future.  I think Joe Goss put it best: (I paraphrase...)
> >If your eyes aren't watering, it ain't the right glue to use.
> >
> >   Thanks again,
> >   Tom Sivak
> >
> >Ron Koval <drwoodwind at hotmail.com> wrote:
> >   I remember hearing or reading somewhere that any CA that comes from a
> >grocery store, or hardware store, or "big box" store must meet certain
> >shelf
> >life requirements. To assure that shelf life, additives are used which
> can
> >have an effect on performance...
> >
> >Stick to the hobby shops, or mail order - My best results have come from
> >multiple passes instead of one heavy application. Also, be aware that low
> >humidity can have a negative impact on the pinblock CA treatment.... as
> >some
> >of you in the dry southwest have reported.
> >
> >Ron Koval
> >Chicagoland
> >
> >_________________________________________________________________
> >A new home for Mom, no cleanup required. All starts here.
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> >
> >
>
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