Widely uses: graphite ingot mold can be used for melting gold, silver, brass, copper, aluminum, zinc and necklace pendants. Stable and energy saving: the graphite mold has good thermal stability, good heat transfer performance which significantly reduces melting time and saves energy. Graphite material: the graphite ingot mold is made of premium graphite material. High temperature resistance, high strength, high density and strong impact resistance. Exquisite refining effect: the graphite mold has fast hot and cold conditions and good thermal stability to create an exquisite refining effect for you.