Borax 1/2 Pound Melting Flux 8 Oz. to Glaze Crucible Dishes for Go...

Borax 1/2 Pound Melting Flux 8 Oz. to Glaze Crucible Dishes for Gold Silver Jewelry

• BORAX FLUX FOR GLAZING CRUCIBLES FLUX for MELTING GOLD - SILVER
• Borax Technical Grade in a 1/2 Pound Bag, this is Borax Pentahydrate in the Granular form. Borax has a wide variety of uses, a component of many products.
• It can be used to glaze ceramic crucibles, as a flux in casting and soldering.
• Borax when used in melting of Gold and Silver helps to dissolve Oxides and other impurities and produce a fluid borate slag that collects on the surface of the molten metal.
• This slag is periodically removed, by use of a carbon-graphite or clay rod. Sale is for 1 Bag 8oz. *Item has never been used, packed and sealed in a clear plastic bag.