High Purity Graphite Melting Crucible Casting With Lid Cover 40*40mm For Silver&black
- The graphite crucible has thermal stability, suitable for emergency heat or cold usage condition corrosion resistance and impact resistanceExcellent acids resistance and alkalis resistanceThe graphite crucible has thermal conductivity properties,it can greatly shorten the melting time and saved energyThe ash of graphite crucible is less than 0.1%,to ensure that the precious metal in the smelting is not contaminated
