Feature: 1. PREMIUM MATERIAL: Using premium graphite material, the rectangular ingot mold will not affect the metal purity in the metal refining process. 2. FAST HOT AND COLD: Graphite ingot casting mold has fast hot and cold conditions and high thermal stability to create exquisite refining effects for you. 3. HIGH TEMPERATURE RESISTANCE: The graphite crucible mold for casting metal can withstand 2000℃, shorten melting time and save energy. 4. STABLE PERFORMANCE: Graphite ingot casting mould has impact resistance and acid and alkali corrosion resistance, stable performance, safe and reliable. 5. APPLICATIONS: Suitable for melting gold, silver, brass, copper, aluminum, zinc and other non ferrous metals, or for necklace pendant testing and analysis tool and ingot mold. Specification: Item Type: Graphite Ingot Mold Product Material: Graphite Outer Diameter: Approx. 60 x 24 x 8mm / 2.36 x 0.94 x 0.31in Inner Diameter: Approx. 50 x 15 x 4.2mm / 1.97 x 0.59 x 0.17in Product Description: Graphite products are more durable than ordinary material products by more than 2 times, longer service life, more resistant to high temperatures above 2000℃. The capacity of this product is 2.8ml, with a capacity of 53g/1.9oz of gold and 25g/0.9oz of silver. Package List: 1 x Graphite Ingot Mold Note: Manual measurement, please allow some errors.