yellow ivories

[Joseph Garrett]

Kjell,
That's Hydrogen Peroxide 35%. You have to get it from a pharmacy.
Regards,
Joe Garrett

----- Original Message -----
From: "Kjell Sverre Fardal" <ksfardal@online.no>
To: <pianotech@ptg.org>
Sent: Saturday, May 05, 2001 5:29 PM
Subject: SV: yellow ivories


> Hi, Tom!
>
> I keep my ivory in "a dark place", and I haven`t noticed any changes...
>
> Here in Norway, the early spring is a great time to bleach ivory! In a
sunny
> day, I simply put the keys outside mye workshop, and the sun and the white
> snow will do the job... I use what we call "Hydrogenpheroksyd" (35 %), and
> paint it on the ivory, over and over again during the day (just one
painting
> woun`t help much...). As an alternative, you can use a lamp. After sanding
> and polishing, it schould look quite nice (though it depends on the
quality
> of the ivory...)
>
> Kjell Sverre
>
> Kjell Sverre Fardal
> ksfardal@online.no
> Kristiansand / Norway, NPTF, Europiano
>
> -----Opprinnelig melding-----
> Fra: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]På vegne av
> Tvak@AOL.COM
> Sendt: 6. mai 2001 01:26
> Til: pianotech@ptg.org
> Emne: yellow ivories
>
>
> I have read, or heard somewhere, that ivory key tops will yellow if kept
in
> a
> dark place.  If this is true, where do you guys keep your spare ivories?
My
> work area (I hesitate to call it a "shop") is in the basement with no
> windows.  Should I worry about them yellowing even more than they already
> are?
>
> I tried bleaching one that was particularly yellow, and the bleach didn't
> seem to have any effect.  (I painted the top with bleach and let it sit
for
> 15 minutes or so.)  Is there a way to whiten ivory key tops which have
> already yellowed?
>
> Any advice?
>
> Thanks,
> Tom S.
> Chicago PTG Associate
>
>