Feature Highlights: 1. High-Purity Graphite Material: Crafted from premium graphite, this mold ensures no contamination of metal purity while offering rapid heating and cooling for precise, refined results. 2. Extreme Heat Resistance: With a maximum tolerance of up to 2000℃, the graphite mold maintains excellent thermal stability, allowing reliable performance in high-temperature applications. 3. Efficient & Energy-Saving: Designed to shorten melting time and reduce energy consumption, this ingot mold maximizes material usage and improves overall productivity. 4. Durable & Corrosion-Resistant: The rectangular graphite mold features strong impact resistance and withstands acid and alkali corrosion, ensuring long-lasting, safe operation. 5. Wide Compatibility: Ideal for experimenting with or melting gold, silver, brass, copper, aluminum, zinc, and other metals. Also suitable as a tool for crafting pendants or analytical purposes. Product Details: This 10ml rectangular graphite ingot mold is engineered for precision refining, casting, and melting of precious and non-ferrous metals. Made from high-quality graphite, it preserves metal purity, accelerates thermal cycling, and resists deformation under extreme heat. Its durable construction ensures impact and corrosion resistance, while the efficient design helps save energy and reduce melting time. Perfect for small-scale metalworking, jewelry making, lab experiments, and hobbyist projects. Specifications: Capacity: 10ml Shape: Rectangular Material: High-density graphite Max Temperature Resistance: 2000℃ Applications: Melting, casting, and refining of gold, silver, copper, brass, aluminum, zinc, etc.