Do you know how to choose graphite crucible?
1. Confirming your use, which metal you want to smelting.
2. Confirming your working temperature.
3. Confirming your thermal shock property, it is mean the time of your heating from the 0 degree to the highest temperature.
4. Confirming your working environment. When you melting, the crucible is in the air of vacuum.
5. Confirming your acid-base property.