... 50ml 100ml 150ml 200ml- 2500ml.Varieties and applicationAlumina ceramic crucible and corundum crucible include: arc alumina crucible, ... shaped alumina corundum crucibles can be customized. Corundum ceramic crucible series: applicable to a variety of ... metals, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide ...