Best glue for ivory?

[David Love]

My museum-conservator-glue-expert friend tells me that CA glue is not
really designed for this type of use.  CA works best on non-porous surfaces
when the overall thickness can be reduced to a couple of microns.  CA can
also responds negatively to alkaline conditions and tend to weaken over
time.  When it finally fails it tends to fail all at once and just let go.  

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Alan <tune4u@earthlink.net>
> To: Pianotech <pianotech@ptg.org>
> Date: 6/16/2003 2:35:41 PM
> Subject: RE: Best glue for ivory?
>
> Okay, y'all. Why all the ooh-ah-icky-no-do for CA? 
>
> In my boundless ignorance, I've been pasting ivory with CA for four
> years, no problems that I could see--except the one time I had to take a
> long grand piano key with me to the drug store to get some nail polish
> remover ... 
>
> Alan R. Barnard
> Salem, MO
>
> -----Original Message-----
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
> Behalf Of Ron Nossaman
> Sent: Monday, June 16, 2003 10:06 AM
> To: Pianotech
> Subject: Re: Best glue for ivory?
>
>
> >Years ago here on pianotech, no less a personage than Steve Brady 
> >suggested Duco cement for the occasional reinstallation of real ivory. 
> >Duco cement is not contact cement so the keytop can be carefully 
> >positioned. Duco cement is colorless and seems to be a good choice if
> the 
> >original linen is still present. If the keytop is installed without
> linen, 
> >the color of the wood could show through; I believe Schaff still has 
> >linen/glue wafers available.
> >
> >Kent Swafford
>
> Yet through the years I've scraped off a bunch or what sure looked to me
>
> like Duco (maybe Lepages) cement. Perhaps applied by a lesser
> personage...
>
> I never have found a quick and easy field repair that I liked.
>
>
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