["650g Ingot Mold Metal Casting Mold Melting Crucible Furnace for Gold Silver Aluminum Copper Brass Zinc Alloy\n\nFeature:\n【Composition:】\n Ashes content less than 0.1%. \nExcellent thermal conductivity and corrosion resistance. \nBetter for Refining than Silicon Carbide Crucibles.\n【Warm-Tips】\nPure crucible can NOT be heating by carbon furnace or charcoal kiln.\n It will be oxidized and cracked; Pure will start to oxidize at 752 °F （400℃). \nThe bear temperatures can be 3200 °F if you use Air Electric Furnace. \nThe bear temperatures can be 5000 °F if you use Vacuum or Gas for Protections Furnace.\n【Perfect Performances】\nExcellent thermal stability for fast heating and cooling; Well corrosion resistance to strong acid and alkali; \n、Good thermal conductivity properties which highly shorten the melting for time and save energy; \nGreat impact resistance performances to ensure the reliability of product quality.\n【Application】Used for melting and casting metals\n such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc\n650g Gold / 300g Silver; Inner 3.6x 0.8x 0.8inch (1.18 fl oz).\n\nSpecifications:\nMaterial: Pure \nAshes ≤0.1%\nBulk density ≥1.82 g/cm3\n(1troy ounce =31.1035g)\nOuter size:100x30x30 mm/ 4 x 1.2x 1.2 inch\nInner size: 90x20x20 mm/ 3.5x0.8x 0.8inch (1.18 fl oz)\nCapacity: 650g gold/ 300g silver\n\nNote:\nSize for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon.\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item.\nThank you!\n\nPackage include:\n1x Casting Melting Ingot,"]