... ceramic crucible specifications: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml-2500ml.Suitable for sample analysis and ... Casting with high densityProduct Description:Arc Straight alumina ceramic crucibles’ basic functions:Name: straight alumina cruciblesChemical ... rare earth materials, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, ...