Keytop material?

[John Ross]

Hi Stan,
I have heard of the bead blasting before.
What material are the beads made from, what is the size, and what pressure
do you use?
Do you have a cabinet made, if so what are the dimensions?
Thank you.
Regards,
John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
----- Original Message ----- 
From: "Stan Kroeker" <stan@pianoexperts.mb.ca>
To: "Pianotech" <pianotech@ptg.org>
Sent: Thursday, July 17, 2003 6:47 PM
Subject: Re: Keytop material?


> Calin,
>
> I do alot of keytop replacement and have got the process down to between 4
and
> 5 hours.  I use the ubiquitous molded plastic keytops all the time and I
> believe the quality of the outcome is in all of the details, not just the
> keytop material.   ie:  edges trimmed flush to sides of keys, consistant
front
> overhangs (where tops only are used), consistant square notches (always
machine
> cut), keysticks milled to preserve original key height, all sharp edges
> softened (either with a file or by machine buffing), and finally, buffing
the
> new tops (they are always scratched right out of the box).  On old sets,
> bead-blasting the keysticks is the icing on the cake   -   makes the set
look
> like new.   Seems to me all new piano keys are plastic.
>
> Best regards,
>
> Stan Kroeker
> Registered Piano Technician
>
> Calin Tantareanu wrote:
>
> > Hello!
> >
> > I was wondering what material are you using for replacing keytops?
> > I tried some plastic molded ones and they look like... plastic.
> > Are there better alternatives? Something that doesn't have the plastic
look,
> > more like ivory.
> > What are the piano factories using nowadays?
> >
> >  Calin Tantareanu
> > ----------------------------------------------------
> >  http://calintantareanu.tripod.com
> > ----------------------------------------------------
> >
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