["Casting Ingot Mold Coin Combo Metal Casting Refining Scrap Bar for Melting Casting Refining Metal Jewelry Gold\n\nFeature:\n【Composition:】\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 oxidize and cracked; Pure will start to oxidize at 752 °F （400℃). \nThe withstands temperatures can be 3200 °F if you use Air Electric Furnace. \nThe withstands 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; \nGood 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\n\nSpecifications:\nMaterial: Pure \nAsh ≤0.1%\nBulk density ≥1.82 g/cm3\n(1 troyes ounce =31.1035g)\nColor:Black\nShape:A/B(Optional)\nSize：\nMore detailed,please see photo\nQuantity:1Pc.\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."]