The graphite crucible has good thermal stability, suitable for emergency heat or cold usage condition Good corrosion resistance and impact resistance Excellent acids resistance and alkalis resistance The graphite crucible has good thermal conductivity properties,it can greatly shorten the melting time and saved energy The ash of graphite crucible is less than 0.1%,to ensure that the precious metal in the smelting is not contaminated It can melt gold, silver, platinum and other precious metals and other alloys,with long service life Material: Graphite Weight: 58g