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Refining Flux

A full line of pre-mixed fluxes ready to use for fire assaying and refining precious metals.
  • Standard Pre-Mixed Refining Flux
    An all purpose pre-mixed refining flux containing Anhydrous Borax, Soda Ash and a bit of Silica Sand. Excellent for refining silver and copper!
  • Chapman Flux Thinner
    Use this flux thinner in combination with our Hank Chapman's Flux to help keep your material a nice consistency for easier pouring.
  • Hank Chapman Flux
    A great pre-mixed refining flux containing Anhydrous Borax, Soda Ash and a bit of Silica Sand. Excellent for refining Gold and black sands!