Marie - to get smooth shiny silver, you will need more than a rotary
tumbler. the last step using dry media simply doesn’t work in a
rotary tumbler. The media just slides.
Run work 30 minutes with steel and burnishing solution in a rotary.
For the cut down step, run work for 4 hours with a fine abrasive
with deburring compound in a vibratory tumbler, much longer in a
rotary. A flow thru tumbler gives much better results because the
stuff you cut off is removed as the process continues.
Run work again in steel for 30 minutes with burnishing compound in a
The last process is to run for 24 to 48 hours with a dry media
either pre-charged (Green Buff) or charged with Simichrome in a
this yields a finish that is comparable with hand buffing and much
If you don’t run the last step with dry media, your only choice to
get a mirror shine is to polish with your buffing motor.
Judy Hoch, G.G.