Usage Tips:DescriptionType : Hand Tool PartsOrigin : Mainland ChinaHigh purity graphite : 99.99%Quantity : 1pcsProduct DescriptionFeatures: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: 450mlPackage list:1 * Graphite CrucibleNote: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.Satisfaction GuaranteeOur first priority is to provede you with an easy,pleasant,and anxiety-free shopping experiencewe try our best to give a clear,candid,and complete description of our products and their conditionswe are always ready to help if you have questions or encounter a problem ,but if for any reason you arenot satisfied with a product or service please do not hesitate to contact usIt is very impottant to us that you have a positive & 5 star transaction with us.please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem.If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message.Refundwe accept refund if product not as decribedIf the goods are damaged.Please provide photos.We can give you a full refund.Or send you a itemIf the product is lost. Or the wrong number. If we make a mistake. We accept partial refund compensationServicesAfter receiving the payment. We will send the goods within 12 hours