black crucible for melting gold and silver

{"cid":"91223544","title":"High Temperature Cylindrical Crucible Chemical Resistant Black Large Graphite Crucible","imgUrl":"https:\/\/img.ismap.com\/nimg\/76\/31\/294a45b275bdbfd3a806a766ea3b-200x200-1.jpg","attrs":{"Price":"450USD\/PCS","Brand Name":"J&J","Model Number":"NU480","Minimum Order Quantity":"1PC","Delivery Time":"25-30 Days","Place of Origin":"China","Payment Terms":"TT","Supply Ability":"5000PCS \/MOUTCH","Packaging Details":"Export Wooden Packing","Name":"Large Graphite Crucible","Material":"Silicon Carbide","Density":"2.21-2.25 g\/cm3","Temperature Resistance":"Up to 1600\u00b0C","Shape":"Cylindrical","Product Name":"Straight Barrel Crucible","Capacity":"1-100kg","Corrosion Resistance":"Excellent","Thermal Shock Resistance":"Excellent","Chemical Resistance":"High","Usage":"Melting and Holding Metal"}}

{"cid":"91197455","title":"Small Black Refractory Graphite Crucible","imgUrl":"https:\/\/img.ismap.com\/nimg\/21\/06\/afa0c6f5d5d0b5e4026bcd748122-200x200-1.jpg","attrs":{"Price":"USD1-10 Per set","Brand Name":"IRIS","Model Number":"IS-11","Minimum Order Quantity":"1pc","Delivery Time":"3 days","Certification":"CE","Place of Origin":"Henan,China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"5000pcs per month","Packaging Details":"wooden case","Height":"customized","Diameter":"customized","Application":"Melting furnace","OEM":"Yes","MOQ":"1SET","capacity":"5kg","inner diameter":"67mm","product model":"HG-5000S"}}