Precious metal clay
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Precious metal clay is a relatively recent invention and consists of a metal powder and a binder that makes up a clay that can be used to form objects of. After drying the clay is sintered in an oven where the binder is burned off and the metal fuses together into a solid object. Metals used varies but common is gold, silver, copper and bronze.
- US patent 5328775, Moldable mixture for use in the manufacturing of precious metal articles.