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 rapid heating and cooling conditions - Good corrosion resistance and impact resistance, ensuring reliable product performance - Resistant to strong acids and strong alkalis - Superior heat transfer performance helps reduce melting time and save energy - Ash content less than 0.1%, minimizing contamination during precious metal smelting - Low thermal expansion coefficient and good thermal shock resistance - Long service life under high-temperature applications Specifications: Main Material: Graphite Available 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 Flange: - 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 Includes: 1 x Graphite Crucible Note: This product is a consumable item. Oxidation occurs with each use, especially when melting aluminum. Satisfaction Guarantee Our priority is to provide you with a clear, pleasant, and worry-free shopping experience. We aim to give accurate, honest, and complete product descriptions. If you have any questions or concerns, please . We are committed to resolving issues promptly. If you are not satisfied with your purchase for any reason, please before leaving negative feedback. Your satisfaction is important to us, and we strive for 5-star transaction ratings. Refund Policy We accept returns and refunds under the following conditions: - Item not as described - Damaged goods photo evidence required - Lost package or shipping error on our part - Partial refund available for minor discrepancies Options include full refund or replacement, depending on the situation. Shipping & Service After payment confirmation, we ship within 12 hours. We respond to all messages promptly. If we are offline, please leave a message and we will reply as soon as possible.