Feature: 1. Graphite Material: This graphite mold uses high grade graphite material, and the ingot mold will not affect the metal purity during the metal refining process. 2. Thermal Stability: The triangular graphite mold has fast hot and cold conditions and good thermal stability, creating a refined refining effect for you. 3. Heat Resistant: Graphite crucible mould can withstand 2000 degrees Celsius, shortens melting time, saves energy, and can be used to make bar or necklace pendant charms. 4. High Performance: Graphite casting ingot mold has good impact resistance and acid and alkali corrosion resistance, excellent performance and reliability. 5. Wide Range of Application: The ingot mold has a wide range of applications, and is suitable for experiments and smelting of non ferrous metals such as gold, silver, brass, copper, aluminum, and zinc. Specification: Item Type: Graphite Mold Material: Graphite Size: External Size: Approx. 50 x 50 x 20mm/1.97 x 1.97 x 0.79in Internal Size: Approx. 35 x 35 x 10mm/1.38 x 1.38 x 0.39in Introduction: the Capacity is 10ml, the Capacity of Gold is 90g/3.2oz, and the Capacity of Silver is 10g/0.4oz. Package List: 1 x Graphite Mold