Clay-Bond Plusª is a silver-containing solder that is used to join silver, bronze, copper, and brass articles. It is a powder that contains not only silver, flux, and other proprietary ingredients, but also a binder.
purity after firing is .950 can be hallmarked as Sterling molding and drying is exactly same as reg Art Clay silver comes in ready to use pre-mixed clay DOES NOT need carbon to fire. higher surface strength compared to .999 silver (approx 60% stronger than reg. metal clay) resists scratching