OneFire PMC Sterling boasts the superior strength of sterling and a beautiful finish without the need for carbon firing! Firing is just one hour at 1600-1650° F in the open air. The melting point of the clay is 1700° F. There is approximately 16% shrinkage. This clay features a long working time and elasticity when dry, in addition to being easy to carve and repair. Perfect for delicate designs where added strength is necessary. Conveniently, OneFire Sterling can also be safely combined with other PMC varieties such as PMC3 syringe and paste. It can be polished, soldered, and patinaed like other metals and is suitable for enameling, stone setting, keum-boo, plating, etc. Strength and convenience all in one package.