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Silicone Polisher - Black Barrel Set - Set of 4
How to Use Silicone Polishing Points
Match the point shape to the job at hand. Select the largest polisher
that will do the job. For instance, use a barrel shaped polisher for
the inside of rings rather than a small cylinder. The small cylinder
requires more work for the same area because of the smaller size.
Purchase point shapes in each grit from coarse to ultra fine. The
various shapes and points will get into nooks and crannies to give your
entire work a brilliant luster. The item to be polished should be
prepared by filing or sanding out any pits or scratches with bristle
discs, sandpapers, etc. up to 400 grit.
After the surface is pre-polished, install one of the Black
(coarse) polishers in your rotary tool and polish the item until all
evidence of the prior sanding is removed and the surface is uniform.
Change the point to accomodate the shape needed to get into all areas
you wish to polish. Knife edges will get into sharp inside corners,
ledges and edges. Small tapers can get around prongs and into holes and
in corners. The variety of point shapes allows you to easily polish in
Change to the Brown (Fine) polishers and
polish again with this grit. Some people like the very soft and durable
satin finish that can be gotten from this grit. You could stop there or
go on to the Green (Very Fine) points and polish with these to achieve
a very high luster.
Be careful with gemstones and other embedded
items. The grit in these points is silicon carbide and will scratch
many gemstones. The hardness of silicon carbide is 9.2 on the Mohs
scale which means it will scratch everything but a diamond and some
cubic zirconias. I usually use my fingernails to protect the surface of
the stone while polishing in case the point slips.
After polishing, it's always a good idea to
buff with a polishing cloth to remove fingerprints. If the piece is to
be sold, wrap it in tissue paper to deter oxidation.