Casting Flux

Flux can be used for seasoning crucibles, keeping materials liquefied for easier pouring, and for removing impurities when refining your metals.
  • Flux Components
    A full selection of individual components for mixing your own flux recipes. We offer small and large bulk quantities of each ingredient.
  • Refining Flux
    A full line of pre-mixed fluxes ready to use for fire assaying and refining precious metals.
  • Assay Silica 70 Mesh
    Assay Silica - used as an ingredient of assaying flux (or flux thinner) for melting or smelting gold and other precious metals.