High-purity Melting Graphite Crucible for High-temperature Gold and Silver Metal Smelting Tools

Please note, this item ships from an international seller. Expected delivery is 10-15 days.Non-stick pan when smelting metal, long service life, no loss of precious metal.Features:Well thermal stability: according to the using conditions of graphite crucible snap heat and cold.Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality.Well resistance to strong acid, strong alkali.Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy.Ash content less than 0.1%, to ensure the precious metals in smelting is not contaminated.In high-temperature using process, it got small thermal expansion coefficient.And certain strain resistance to the thermal shock, quenching.Long service life.Specifications:Main material: graphiteThe weight of gold that can be loaded: 1KG, 2KG, 3KG, 4KG, 5KG (optional)The inner diameter of the crucible:1kg: 38mm2kg: 44mm3kg: 50mm4kg: 60mm5kg: 69mmThe outer diameter of the crucible:1kg: 47mm2kg: 58mm3kg: 65.5mm4kg: 75mm5kg: 89mmThe outer diameter of the large ring:1kg: 58mm2kg: 65mm3kg: 80.5mm4kg: 85mm5kg: 100mmHeight:1kg: 88mm2kg: 110mm3kg: 110mm4kg: 130mm5kg: 130mmCapacity:1kg: 75ml2kg: 150ml3kg: 195ml4kg: 340ml5kg: 450mlItem weight:1kg: 150g / 5.3oz2kg: 260g / 9.2oz3kg: 340g / 12.0oz4kg: 447g / 1.0lb5kg: 690g / 1.5lbPackage size:1kg: 15 * 10 * 10cm / 5.9 * 3.9 * 3.9in2kg: 15 * 10 * 10cm / 5.9 * 3.9 * 3.9in3kg: 15 * 10 * 10cm / 5.9 * 3.9 * 3.9in4kg: 20 * 10 * 10cm / 7.9 * 3.9 * 3.9in5kg: 20 * 15 * 15cm / 7.9 * 5.9 * 5.9inPackage weight:1kg: 204g / 7.2ounce2kg: 280g / 9.9ounce3kg: 360g / 12.7ounce4kg: 544g / 1.2lb5kg: 790g / 1.7lbNote:The product is a consumable, which will be oxidized each time it is used, and will be oxidized more when it is used to melt aluminum.Package list:1 * Graphite Crucible

Well thermal stability: according to the using conditions of graphite crucible snap heat and cold.Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality.Well resistance to strong acid, strong alkali.Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy.Ash content less than 0.1%, to ensure the precious metals in smelting is not contaminated.