After firing is .950 sterling silver can be hallmarked as Sterling. Molding and drying is the same as regular Art Clay Silver 0.999.
Comes in ready to use pre-mixed clay. No additional firing equipment is required for this 1 phase open-shelf firing so no need for carbon. 0.950 silver produces a higher surface strength compared to .999 silver (approx. 60% stronger than reg. metal clay) - resists scratching.
Perfect for high impact / usage accessories such as cuff, bangles, rings etc.