pvc-e?

[Andrew Anderson]

Gregor,
That sounds like what we call "contact-cement".  Presumably you are  
actually using something that will allow removal and replacement of  
the keytops at a later date.  ??

Andrew Anderson

On Aug 18, 2008, at 10:11 AM, Gregor _ wrote:

> Jim,
>
> I use a glue called Pattex which is made by Henkel and is based on a  
> exhausted patent of 3M. As far I know it´s not available in the USA  
> under the brand name Pattex. The advantage of Pattex is that not the  
> clamping time is important but the pressure. You apply Pattex on the  
> wood and on the keytop, wait 10 minutes and then you press it with  
> much pressure together. Usualy I work on one octave because of these  
> 10 minutes waiting time before going on with the next octave. As far  
> I know that´s the standard procedure here in Germany. But I don´t  
> know which material the standard keytops are made of and if it works  
> on that pcv-e (whatever that might be), but I think so because  
> Pattex glues nearly everything.
>
> If that sounds good for you it might be an option to ask Henkel or  
> 3M if that stuff is selled in the USA under a different brand name.
>
> Gregor
>
>
>
> > From: jimialeggio5 at comcast.net
> > To: pianotech at ptg.org
> > Subject: pvc-e?
> > Date: Mon, 18 Aug 2008 12:50:49 +0000
> >
> > What's the minimum clamp time for pcv-e applying plastic keytops?
> >
> > The clamping I'm talking about is very light pressure, just enough  
> to conform the plastic veneer to the wooden surface.
> >
> > My adhesion tests showed a rubbed joint to be comparable to a  
> joint clamped overnight, but that's the case with most glues. Non- 
> clamping assumes perfect mating surfaces ....hard for me to achieve  
> consistently in real life.
> >
> > And what exactly is this stuff. PVC-e doesn't even come up on any  
> searches I've done. Latex? Acrylic? PVA?...naah
> >
> >
> > --
> > Jim Ialeggio
> > www.grandpianosolutions.com
> > Shirley, MA (978) 425-9026
>
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