Place the gold, silver, and graphite ingot Mould crucible in the heating device, making sure it is stable and does not tilt. This copper ingot is made of high-purity graphite. The graphite crucible ingot Mould has good wear resistance, good lubricity, long anti-oxidation life, high purity and high density, high-temperature resistance, corrosion resistance, heat resistance, shock resistance, and excellent electrical conductivity.
