[pianotech] Abrasions in polyester finish

paul bruesch paul at bruesch.net
Wed Sep 7 12:25:10 MDT 2011


A new client I tuned for yesterday has a small YC grand. I noticed
light/white-colored abrasions on the treble side of the black-polish case,
right on the outside curve.

When I asked her about how they came to be, she told me that they'd had it
moved many times, so when they wanted it moved one MORE time, they decided
to do it themselves ("It looks so easy when the pros do it"), and dragged it
on a "soft carpet, only soft carpet".

She's the first client I've ever known that had her own bottle of Cory High
Gloss Finish polish (which I always bring, too) though the piano was quite
dusty and well-smudged. As I cleaned, dusted, vacuumed, and polished with
the Cory, I noticed that the abrasions seemed to be slightly reduced in
intensity.

It just occurred to me now that perhaps this could be buffed out? I didn't
consider that possibility and took no photos while I was there. I just
called the owner to ask if she could take a photo or two, but she cannot.

Was the apparent reduction in abrasion likely my imagination? Or would it be
worthwhile to try something with a very mild abrasive? I'm thinking
something like "3M Imperial Hand Glaze 05990"

And yeah, I know a photo would probably help a lot... sorry!

Paul Bruesch
Stillwater, MN
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