waxbuildup

[Paul McCloud]

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Good point, Wayne.  I wasn't aware that Yamaha had plastic cheek blocks and other parts.  Most high gloss pianos get a coating of cooking residue if they're near the kitchen or in a bar.  A solvent like naptha is needed to remove it, more easily done than with a polish alone.  
Paul McCloud
San Diego

----- Original Message ----- 
From: Wayne Walker 
To: pianotech@ptg.org
Sent: 04/25/2005 5:01:38 AM 
Subject: Re:waxbuildup


Acetone will not harm polyester, but some pianos such as Yamaha's have parts that are not polyester but plastic. As soon as the acetone hit the plastic, game over, the surface dissolves. When the acetone dries the surface is rough and uneven. I know I had this happen to me last year on a Yamaha cheek block.Try a body shop supply store for wax remover. They would be able to help you with selecting the right product safe for plastic and polyester. 

Wayne Walker 

  

-- 
MusicStop (http://musicstop.com) 

Date: Sat, 23 Apr 2005 07:24:49 -0500 
From: Conrad Hoffsommer 
To: pmc033@earthlink.net, Pianotech 
Subject: Re: Wax buildup 

At 06:22 4/23/2005, you wrote: 
>Acetone will not harm polyester.  I wish it would.  I don't know of 
>anything that will soften or remove polyester, except maybe heat.  You 
>could use it to remove wax, but like Mark says, why use something so 
>aggressive when simple naptha will do.  It will look dull when you're done, 
>however, which is why I suggested using a plastic polish afterwards.  In 
>fact, I'd bet that the plastic cleaners from Meguiar's will take the wax 
>off by themselves. 
>Anybody know how to strip a polyester finish with solvents? 
>Paul McCloud 
>San Diego 

Thanks, Paul, 

I sit corrected, clarified and elucidated.  After some DAMHIKs, the only 
reason I want acetone nearby is for emergency CA solvency... 

> > Poly is plastic - keytops is plastic - acetone and keytop mixture can be 
> > used to rockify hammers. 
> > Still wanna try on the finish? 
> > Conrad Hoffsommer 

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