Formulated by Legor® Group, this silver master alloy is intended for sterling silver lost-wax casting applications using a range of casting systems. Its anti-oxidant properties make this alloy ideal for stone-in-place casting. This alloy is specifically formulated to produce bright, oxidation-free castings with exceptional surface quality and excellent mechanical properties, which enhances the reusability of scrap. A master alloy casting grain is a pre-formulated mix of base-metal elements; add the appropriate amount of precious metal grain to the master alloy to create the casting alloy you need. Sold by the troy ounce (ozt.).