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Gesswein Flux Question


#1

Has anyone had any experience with either of the following Gesswein
fluxes: Dr. Frank’s Fabulous Flux (green liquid) or Gesswein’s
Anti-Oxidizing Flux (blue liquid). I am interested in their
effectiveness on sterling hollowware…Or in your opinion, is Prips
or Handy Flux the best way to go? An elementary question, but I have
heard some positive recommendations about the Gesswein products and
would appreciate some feedback. Thanks! Margery F. Cooper,
Jewelry and Judaica @Margery_F_Cooper


#2

Margery, I have been using Superior 6 flux from H & N Electronics.
Jeffrey Herman, Society of American Silversmiths, suggested this
fluoride free flux for working in sterling hollowware. I love the
stuff. It was a bit difficult to read in the beginning, but just
like soldering, you learn to look for. It makes a very nice skin
around the piece, allowing for repetitive heatings without breaking
down. I think Frei and Borel sells it also, but this could be the
Gesswein product too. I have used Prips on forged pieces, and found
that is also a very good flux. However, the repeated applications
to create a solid buildup is time consuming. For the little
firescale that I get with the Sup 6 flux, a good 3M fiber wheel will
remove it instantly.

-k