1Graphite crucible has good thermal conductivity, can greatly shorten the melting time, saving energy 2Graphite crucibles have good thermal stability, suitable for emergency or cold conditions of use 3With excellent corrosion resistance, impact resistance, acid resistance and alkali resistance 4Can melt gold, silver, platinum and other precious metals and other alloys, long service life 5It keeps its original natural graphite of various physical and chemical properties
