Description Type: Hand Tool Parts Origin: Mainland China Material: High purity graphite (99.99%) Quantity: 1 piece Product Description Features: - Excellent thermal stability suitable for repeated heating and cooling cycles - High resistance to corrosion and impact, ensuring reliable performance - Resistant to strong acids and strong alkalis - Superior heat transfer properties help reduce melting time and save energy - Ash content less than 0.1%, helping prevent contamination during precious metal melting - Low thermal expansion coefficient for stable performance at high temperatures - Good resistance to thermal shock and quenching - Long service life Specifications: - Main material: Graphite - Capacity options: 1kg, 2kg, 3kg, 4kg, 5kg (selectable) - Inner diameter: 1kg: 38mm 2kg: 44mm 3kg: 50mm 4kg: 60mm 5kg: 69mm - Outer diameter: 1kg: 47mm 2kg: 58mm 3kg: 65.5mm 4kg: 75mm 5kg: 89mm - Outer diameter of large ring: 1kg: 58mm 2kg: 65mm 3kg: 80.5mm 4kg: 85mm 5kg: 100mm - Height: 1kg: 88mm 2kg: 110mm 3kg: 110mm 4kg: 130mm 5kg: 130mm - Capacity: 1kg: 75ml 2kg: 150ml 3kg: 195ml 4kg: 340ml 5kg: 450ml Package List: 1 x Graphite Crucible Note: This product is a consumable item. Oxidation occurs with each use, especially when melting aluminum. Satisfaction Guarantee We strive to provide a clear, accurate, and complete description of our products. If you have any questions or concerns, please . We aim to ensure a positive and 5-star transaction experience. Please reach out to us before leaving negative feedback. We will make every effort to resolve any issues. Refund Policy We accept returns for refunds if the product is not as described, damaged, lost, or if an error was made on our part. For damage claims, photo evidence is required. Refund options include a full refund or replacement. Partial refunds may be offered for minor issues. Shipping Orders are processed within 12 hours after payment confirmation.