Features:1. High-purity graphite material avoids metal contamination, ensuring clean refining results with rapid heating and cooling.2. Heat resistant up to 2000°C, suitable for high-temperature melting and casting in various conditions.3. Rectangular energy-efficient design helps melt metal faster, saving time and reducing energy consumption.4. Durable with strong impact resistance and excellent acid/alkali resistance for repeated use.5. Compatible with melting, casting, and refining gold, silver, copper, aluminum, brass, zinc, and other non-ferrous metals. Ideal for jewelry making, pendant crafting, lab experiments, and more.Product Details:This 75ml rectangular graphite ingot mold is made from high-purity graphite, maintaining metal purity while enabling rapid heating and cooling. Its thermal stability withstands temperatures up to 2000°C, adapting to diverse melting environments. The energy-efficient design shortens melting time and reduces power consumption. Strong impact and corrosion resistance ensure reliable, safe performance. Suitable for precious and common metals, it can also be used for crafting pendants or as a lab tool.Specifications:- Capacity: 75ml- Shape: Rectangular- Material: High-purity graphite- Max Temperature Resistance: 2000°C- Usage: Melting, casting & refining metals including gold, silver, copper, aluminum, brass, zinc, etc.