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Keytop glue in Europe?
#2909312 11/07/19 08:14 PM
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I want to replace the key tops of my piano and I’ve seen many videos with PVC-E glue mentioned but I can’t find anything like that in Europe. Does anyone know what similar glue I can use and where I can order it from?


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Re: Keytop glue in Europe?
CyberGene #2909384 11/08/19 04:09 AM
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I use neoprene contact cement for acrylic keytops.
I also found mentions of some PVC-E glues in Piano Inside Out that I'd like to give a shot sometime. In France, I could buy the Aleene’s Tacky Glue original formula, Quick dry and Fast grab in some domestic art shops. On Amazon, we can import it from UK, so far I know.


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Re: Keytop glue in Europe?
CyberGene #2909399 11/08/19 05:10 AM
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You could also try Evacon-R adhesive.

Re: Keytop glue in Europe?
CyberGene #2909412 11/08/19 06:16 AM
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Re: Keytop glue in Europe?
CyberGene #2909418 11/08/19 06:54 AM
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Thanks for all the answers! I see that the Pattex brand is widespread (called Moment in Bulgaria and can be purchased everywhere) and the glue is actually a neoprene contact glue (polychloropren).


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Re: Keytop glue in Europe?
CyberGene #2909427 11/08/19 07:50 AM
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My preferred adhesive is Roo Glue manufactured in Australia. It's better than PVC-E. Contact cement lasts about 15 to 20 years and then starts to fail. It also discolors considerably.


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Re: Keytop glue in Europe?
CyberGene #2909547 11/08/19 12:34 PM
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PVC-E is not contact cement.


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Re: Keytop glue in Europe?
CyberGene #2909835 11/09/19 12:00 AM
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Sorry, I was not very clear with my response. I was commenting on the two different adhesives being discussed.

I've used PVC-E for decades and it works quite well for plastic key tops. When Pianotek switched to Roo Glue, I bought some and tested it against PVC-E and found it had a stronger bond. I also found the gel consistency of Roo Glue to be easer to work with. It is now my adhesive of choice.


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Re: Keytop glue in Europe?
Bill McKaig,RPT #2909921 11/09/19 08:38 AM
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Originally Posted by Bill McKaig,RPT
My preferred adhesive is Roo Glue manufactured in Australia. It's better than PVC-E. Contact cement lasts about 15 to 20 years and then starts to fail. It also discolors considerably.


Which particular Roo Glue? I looked on their website, and they make quite a lot of adhesives...! smile


Started work at the Blüthner piano re-building workshop in Perivale, UK, in 1989. Self employed since 2000. Learning something new about pianos every day... smile

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Re: Keytop glue in Europe?
CyberGene #2909940 11/09/19 09:34 AM
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I guess it is perfect if the peeled keyboard is dissolved in acetone to make an adhesive.


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Re: Keytop glue in Europe?
Pro-TAC #2910013 11/09/19 01:47 PM
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Acetone will dissolve new keytops, so any smear will mar them. PVC-E is better. It just washes off before it sets, and peels off afterwards,


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Re: Keytop glue in Europe?
CyberGene #2910309 11/10/19 09:45 AM
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The Roo Glue is labeled Roo Clear, Melamine and vinyl adhesive.


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Re: Keytop glue in Europe?
CyberGene #2911943 11/14/19 02:35 PM
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I asked a local Bulgarian technician and he told me he uses PVA glue for glueing key tops. What do you think about that?

Last edited by CyberGene; 11/14/19 02:35 PM.

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Re: Keytop glue in Europe?
CyberGene #2912278 11/15/19 07:20 AM
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I think it'd be worth trying an experiment with a spare key covering, to see what happens.....

Re: Keytop glue in Europe?
CyberGene #2912424 11/15/19 02:11 PM
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I wouldn't think PVA would work. As David said do a test and see. I never use a new adhesive without testing it first. For key tops, I like to see either the key top break before releasing, or wood coming up with the key top. If the top comes off and leaves all of the adhesive on the wood, that would show poor adhesion.


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Re: Keytop glue in Europe?
Bill McKaig,RPT #2913378 11/18/19 06:24 AM
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Originally Posted by Bill McKaig,RPT
The Roo Glue is labeled Roo Clear, Melamine and vinyl adhesive.


Many thanks Bill! smile


Started work at the Blüthner piano re-building workshop in Perivale, UK, in 1989. Self employed since 2000. Learning something new about pianos every day... smile

http://www.hamiltonpianos.com/

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