PMC Supplies carries many individual components for making your own casting flux, as well as ready to use pre-mixed flux recipes. Flux can be used for seasoning crucibles, keeping materials liquefied for easier pouring, and for removing impurities when refining your metals. Some of our individual flux components include: Anhydrous Borax, Boric Acid, Assay Dense Soda Ash, Assay Silica, Fluorspar, Potassium Carbonate, Manganese Dioxide, and more. We also have pre-mixed Standard Refining Flux, Hank Chapman Flux, Flux Thinner, and many more special recipes for all of your melting applications.
A full selection of individual components for mixing your own flux recipes. We offer small and large bulk quantities of each ingredient. Use these ingredients to create a unique flux recipe of your own for refining your metals.
A full line of pre-mixed fluxes ready to use for fire assaying and refining precious metals. Our pre-mixed flux recipes are pre-measured and ready to be used! Simply add them to your melt to draw out impurities and refine your metals.