Reliable material: main material is graphite, the ash content is less than 0.1 percent, which ensures that the metal purity is not affected during metal refining; Fast cold and hot application conditions, with nice thermal stability, better refining effect than silicon carbide graphite crucible Widely used: the mold can be used for experiments and melting non-ferrous metals such as gold, silver, copper, aluminum, lead, etc.; It can also be used as a graphite crucible melting into non-ferrous metals, test analysis, block mold and for other purposes; Considering the size of this product, it is more suitable for melting low capacity metals. Mould size: outer 100 x 50 x 25 mm, inner 90 x 40 x 20 mm; melting and casting of metals such as gold, silver, brass, aluminium, copper, lead and more; the capacity is an approximate volume of 1 kg or 500 g silver Nice features: it has nice thermal conductivity, which can significantly shorten and save the melting time, and can withstand 2000 degrees Celsius, nice acid and alkali resistance, nice corrosion resistance, impact resistance, 89 MPA compression resistance and 48.7 MPa bending strength What you get: there are 2 pieces graphite molds included in this package, enough quantity for you to improve your work efficiency in daily life, Weight: 0.51147244784 Pounds, Manufacturer: Kopinma