Removing Impurities in Silver Casting: A Guide
Questionhow to remove gases and impurties from silver while melting in a open crucible?
AnswerHello, Are you using old used silver or making .925 new by adding the alloys...If you are starting with new, there are special blended alloys containing special additives like silicone that will take care of the impuities and later fire scale when soldering..check rio grande catalog
regards rolfe