OTOOLWORLD Gold Silver Graphite Ingot Mold Mould Crucible for Melting Casting Refining (1kg): Arts, Crafts & Sewing. OTOOLWORLD Gold Silver Graphite Ingot Mold Mould Crucible for Melting Casting Refining (1kg): Arts, Crafts & Sewing. High quality graphite ingot mold 。 you can select the size you need, and the size you can find on the listing photo 。 for gold and silver melting after the formation of gold and silver pieces 。 can also be used as graphite crucible melting into non-ferrous metals, test analysis, as the ingot mold and other purposes 。 the capacity is an approximate number= inside Length*Width*Height*0.9 。 Gold Silver Graphite Ingot Mold Mould Crucible For Melting Casting Refining 。 。 。