- Versatile Use: Ideal for melting gold and silver pieces, this graphite crucible is also suitable for non-ferrous metals, test analysis, and ingot shaping. - High-Quality Composition: Made from 99.95% graphite with an ash content of less than 0.1%. This material offers superior thermal conductivity and corrosion resistance, outperforming silicon carbide graphite crucibles in refining applications. - Exceptional Performance: - Thermal Stability: Designed for rapid heating and cooling, enhancing efficiency. - Corrosion Resistance: The crucible withstands strong acids and alkalis, ensuring durability. - Energy Efficiency: Its excellent thermal conductivity reduces melting time, saving energy costs. - Impact Resistance: Built to ensure product reliability and maintain quality during use. - Important Usage Notes: - Avoid heating the pure graphite pot with coal or charcoal ovens, as this may cause oxidation and cracking. - The crucible begins to oxidize at temperatures above 752°F (400°C). - It can withstand temperatures up to 3200°F with an air electric oven and up to 5000°F with a vacuum or gas protection oven. - Use Scenarios: - Perfect for jewelers needing a reliable crucible for melting precious metals. - Useful in laboratories for precise test analyses of various non-ferrous materials. - Ideal for artisans looking to create high-quality ingots and refined metal shapes. This graphite crucible combines high performance with versatility, making it an essential tool for metal melting and refining.