Reliable material: main material is graphite, the ash content is less than 01 percent, ensuring that the metal purity will not be affected during metal refining; Rapid cold and hot use conditions, with nice thermal stability, better refining effect than silicon carbide graphite cruciblesNice characteristics: it has nice thermal conductivity, which can greatly shorten the melting time and save energy, and withstand 2000 degrees Celsius, nice acid and alkali , nice corrosion , impact , 89 MPA compression , and 487 MPa flex Widely applicable: the mold can be applied for experiments and smelting of non-ferrous metals, such as gold, silver, copper, aluminum, lead and so on; It can also be applied as graphite crucible melting into non-ferrous metals, test analysis, as the ingot mold and other purposes; Considering the size of this product, it is more suitable for small-capacity metal melting.Ingot mold size: outter is 100 x 50 x 25 mm, inner is 90 x 40 x 20 mm; Melting and casting metals like gold, silver, brass, aluminum, copper, zinc, plumbum, and more; The capacity is an approximate volume is 1 kg hold or 500g silverWhat you receive: there are 2 pieces of graphite ingot molds in this package, enough quantity for you to use, improving your work efficiency in daily lifeColour:blackMaterial:graphiteSize:90 x 40 x 20mm 100 x 50 x 25mmPackage Contents:2 * Graphite Ingot MoldOnly 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.