Feature: 1. Multi Usage: The crucible set is used for smelting non ferrous metals, such as gold, silver, copper and aluminum, not easy to mix impurities, can smelt high purity metals. 2. High Purity Materials: Select high purity graphite and quartz materials, with low impurities, the crucible can be used for smelting high purity metals. 3. High Temperature Resistance: The crucible has good thermal stability and can withstand 2000℃, shortening the melting time and saving energy. 4. High Performance: The crucible set has good impact, acid and alkali, corrosion resistance, certain thermal shock resistance and quenching performance, ensures excellent performance. 5. Wide Range of Applications: This graphite crucible set is widely used in metallurgy, casting, machinery, chemical and other industrial fields. Specification: Item Type: Gold Melting Crucible Set Material: Quartz, Graphite Crucible Capacity: 165ml Crucible Outer Diameter: Approx. 68mm/2.7in Quartz Coat Size: Approx. 85x73x130mm/3.3x2.9x5.1in Melting Gold Amount: 2.5kg Melting Silver Amount: 1.25kg. Package List: 1 x Graphite Crucible1 x Quartz Coat