Feature: 1. Reliable Works: The graphite mold for casting metal has good thermal stability, can withstand 2000 degrees Celsius, shortens melting time, saves energy, has good impact resistance and acid and alkali corrosion resistance, and has excellent performance to ensure product reliability and quality. 2. Large Capacity: The capacity of this product is 2.1ml, which is more than enough to accommodate 40g gold, and 19g silver, and so on. 3. Extensive Uses: Ingot mold has a wide range of applications, suitable for experiments and smelting of non ferrous metals such as gold, silver, brass, copper, aluminum, zinc, etc. 4. Great Material: Using premium graphite material, the ingot mold will not affect the metal purity during the metal refining process. The hot and cold conditioning are fast, and the thermal stability is good, creating a delicate refining effect for you. 5. More Convenience: The internal size is 40 x 15 x 4mm, and the external size is 47.5 x 24 x 8mm, while the light weight also enables easy operation. Specification: Item Type: Ingot Mold Product Material: Graphite External Size: Approx. 47.5 x 24 x 8mm / 1.87 x 0.94 x 0.31in Internal Size: Approx. 40 x 15 x 4mm / 1.57 x 0.59 x 0.16in Product Introduction: Graphite products are more durable, and can withstand high temperatures above 2000 ℃. The capacity of this product is 2.1ml, the capacity of gold is 40g, and the capacity of silver is 19g. . Package List: 1 x Ingot Mold