Reliable material: main material is graphite, the ash content is less than 0.1 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 crucibles Nice 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 resistance, nice corrosion resistance, impact resistance, 89 MPA compression resistance, and 48.7 MPa flex resistance Widely applicable: the mould can be applied for experiments and smelting of non-ferrous metals, such as gold, silver, copper, aluminum, and so on; It can also be applied as graphite crucible melting into non-ferrous metals, test analysis, as the ingot mould and other purposes; Considering the size of this product, it is more suitable for small-capacity metal melting