[pianotech] Backcheck and catcher felts

[Tom Driscoll]

Subject: Re: [pianotech] Backcheck and catcher felts


>
    Definitely DON'T use water - it will swell the wood.
>
>>I use plain white vinegar for things - it also works well for player work.

>>Duaine Hechler

>>

> Isn't vinegar mostly water?
>
> David Ilvedson, RPT

David,
Right you are and 95% no less.

The composition of distilled white vinegar is usually 5% acetic acid which 
has a molecular formula of C2H4O2. The remainder of the solution is H2O. The 
acetic acid is aqueous, so the mixture is homogeneous.
Tom Driscoll
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