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Subject: Scratches on engraved glass

Scratches on engraved glass

From: Keawe Vredenburg <keaweehu>
Date: Friday, September 8, 2006
David Cottier-Angeli <dca [at] cottiermetal__ch> writes

>A modern art glass table ... with a "Securit" type
>of glass [has] from deep scratches on one side, but has artist
>engraving on the other side. ...
>Can someone suggest what method could best be followed as to soften
>the visible impact of scratches.

We have had good results using a horsehair and felt rotary "sanding"
head, applying microfine cerium oxide.  That handles shallow
scratches quite well. Deeper scratches can be filled with a 3M
optically clear resin (requires making a dam and filling it with the
resin), which would then be buffed down to the glass surface.
manipulation of the glass sheet, i.e. placing the scratched surface
on top.

Keawe Vredenburg
Paniolo Preservation Society Archives
Waimea, Hawaii

                  Conservation DistList Instance 20:14
                Distributed: Friday, September 15, 2006
                       Message Id: cdl-20-14-007
Received on Friday, 8 September, 2006

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