Size information: the outside dimension is 100 x 50 x 25 mm and the inner is 90 x 40 x 20 mm, the capacity is about 1 kg gold or 500 g silver, general size can meet your most melting or casting needs for metals Durable material: the main material is graphite, hardly ash content ensures that the metal purity will not be affected during the metal refining process; Fast cold and hot conditions, with good thermal stability, exquisite refining effect Nice performance: our casting ingot crucible mold has nice thermal conductivity, which can highly shorten the melting time and save energy, and withstand 2000 degrees Celsius, nice acid and alkali , nice corrosion , impact , 89 MPA compression , and 48.7 MPa flex , nice impact performance to the reliability of product quality Wide uses: this ingot mould is suitable for experiments and melting of non-ferrous metals, such as gold, silver, brass, copper, aluminum zinc, lead and so on, also can be applied as graphite crucible melting into non-ferrous metals, test analysis, as the ingot mold and other purposes; Taking the size of the product into account, small-capacity metal melting are more suitable Package contents: you will get 1 piece of graphite ingot mold with exquisite craftsmanship and versatile usages, which can meet your daily needs; You can also invite your friends or family to enjoy handmade Material:graphite colour:Black Package Contents: 1 x Graphite Ingot Mold Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.