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Duralumin mirror finish

P

precisionshootist

Joined
Mar 1, 2010
Messages
268
Is it possible to restore the mirror polish finish on knives with duralumin bolsters, buttcaps, etc.
Many knives such as Buck, Randall, cold steel espada, etc. have duralumin with a mirror finish when new but will soon develop a Matt finish of tiny scratches. Does anyone know of a reliable way to restore the mirror polish?
 
Some Flitz or 2000 grit sandpaper might help, but probably won't restore the stock finish. Aluminum is a soft metal, so the scratches will accumulate very easily.
 
Buff with green compound at 1750 RPM. Use WD 40 on the buffing wheel to prevent "tearing" of the aluminum surface.
 
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