Graphite Furnace Crucible, Crucible Crucible for Cast Metals for Refining Gold, Silver, Copper, Brass and Aluminum (4-4kg)

Melting Crucible: Its strong oxidation and corrosion resistance, high thermal shock resistance and excellent chemical stability make it a reliable tool for metal casting. Material: Silicon carbide specially added to make the crucible more durable, can withstand temperatures up to 1800°C (3300°F). Dimensions: #4, The inner diameter of the crucible is 87mm, the height is 125mm; the outer diameter is 117mm, the height is 140mm. Capacity: 530 ml, can cast a maximum of 4 kg of copper and 1.4 kg of aluminum. Wide application: Specially designed, this graphite crucible is essential for the smelting and casting of precious metals such as gold and silver and non-ferrous metals such as copper, aluminum, brass, etc.