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Tumbling Silver & Gold


#1

Hello, I recently tumbled (separately) some gold cuff bracelets and
silver cuff bracelets that had been cast and used some of the
descaler and followed that with the burnishing liquid that I
purchased from Rio Grande with stainless steel mixed size shot. I
mixed it according to directions. I haven’t had this problem before
but after I used the descaler my metals were dark, not bright and
shinny as in the past when I’ve done this. So I followed with a
tumble in the burnishing liquid. Same outcome. Both look dark like
they are dull. I tried using a wire brush on them and doing it over
but they still are the same. What can I do to brighten them and what
did I do incorrectly in the first place? Thank you for your help,
Christine


#2

Christine, When using the descaler and the burnishing compound
(seperate runs), how long did you run each and how did you set your
tumbler up; ie, compound, water and parts ratio? Did you use a rotary
or vibratory machine? Were your parts clean or dirty going into the
process? Please give me more and I will get you through
this process very quickly. You may have to run the parts back through
a deburring stage with a deburring compound prior to the steel shot to
remove the “dark” coating. Please get back with me as you need!
Sincerely, Joe Lovato Neutec/USA