Function:1. Graphite crucible has good thermal conductivity, can significantly reduce melting time, saving energy2. Graphite crucibles have good thermal stability, suitable for emergency or cold conditions of use3. With excellent corrosion resistance, impact resistance, acid and alkali resistance4. Can melt gold, silver, platinum and other precious metals and other alloys, long service life5. Retains its original natural graphite with different physical and chemical propertiesSpecification:Characteristics:Graphite crucible has good thermal conductivity, can significantly reduce melting time, saving energy.Graphite crucibles have good thermal stability, suitable for use in emergency situations or at low temperatures.With excellent corrosion resistance, impact resistance, acid resistance and alkali resistance.It can melt gold, silver, platinum and other precious metals and other alloys, long service life.It retains its original natural graphite with different physical and chemical properties.Specification:Material: graphiteColor: shown as picturesOptions: 1kg, 2kg, 3kgOptionUpper diameter (mm)Internal diameter (mm)Lower diameter (mm)Internal height (mm)Outside height (mm)1kg 6538501151252kg7244551401553kg755060150170Weight: 330 - 465gType: Jewelry ToolsList of packages:1 * graphite crucible