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POLISHING DRILLED HOLES A properly drilled hole has a smooth
semimatte finish that can be brought to a high polish. A
Chemcast® GP or metal rod approximately 1/8" smaller in
diameter than the drilled hole is split to a depth equal to the
depth of the hole plus ˝"and mounted in a drill press. If
the inner surface of the hole is rough, steel wool
or strips of emery cloth or sandpaper are wound around the rod
and gripped in the slot. When the inner surface is smooth, a good
grade of flannel is wound around the rod and the compounds
described above for buffing are applied. Poor grades of flannel
may throw lint and require further cleaning. |
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Copyright © Plastiglas de Mexico 1999
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