Eforlife -- High Purity Refining Graphite Crucible Ingot Mold Excellent thermal stability, corrosion resistance and thermal conductivity properties Material: Pure Graphite Ash ?0.1%; Bulk density ?1.82 g/cm3; Specifications: (1 troy ounce...

Eforlife -- Pure graphite crucible for metal melting and casting *Important note: Pure graphite crucible can NOT be heating by Carbon furnace or charcoal kiln. It will be oxidized and cracked. Composition: Graphite ? 99.9%; Ash?0.1% (protect the...