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OneFire Sterling PMC
Mitsubishi Materials Corporation, the Japanese company that invented Precious Metal Clay (PMC) in 1994, recognized the need for a strong clay that carried the familiar word "sterling." In 2014 they introduced a revolutionary metal clay with the traditional sterling alloy. The results were impressive but the firing process required two steps and this put some people off. In the fall of 2016, Mitsubishi Materials released another revolutionary material: OneFire Sterling PMC.