3KG Graphite Crucible for Metal Melting, High Temperature Resistant with Glaze Coating, Compatible with Gold, Silver, and Copper Melting and Casting

Features:\n1. High Purity Natural Graphite: This graphite crucible provides superior high-temperature resistance and excellent thermal conductivity. It maintains its shape under intense heat and is specifically designed for electric melting furnaces, ensuring easy removal after use.\n2. 3KG Large Capacity: With a volume of 334ml, it can melt approximately 6.4kg of gold, 3.5kg of silver, 3kg of pure copper, or 0.9kg of pure aluminum, making it perfect for melting and casting precious metals.\n3. High-Strength Glaze Coating: The interior is coated with a dense, protective glaze that significantly extends the crucible's lifespan. For best results and to prevent metal contamination, use one batch of material per crucible.\n4. Secure Groove Design: The top features a ring-shaped groove for secure and stable gripping with standard tongs, facilitating safe and controlled pouring – perfect for both beginners and experienced users.\n5. Specific Usage Instructions: Designed for electric, vacuum, or gas atmosphere furnaces. It is not suitable for direct open flame heating such as propane or coal furnaces. Always inspect before use and replace if necessary to ensure optimal performance and safety.\nProduct Details:\n- Material: High purity graphite with glaze coating\n- Color: Black\n- Compatibility: Compatible with gold, silver, copper, and aluminum melting and casting.\n- Package includes: 1 x graphite crucible\nNote: Slight color variations may occur due to lighting and monitor differences. Please allow a small measurement tolerance of +/- 1-3 cm.