6X High Purity Graphite Melting Crucible Casting with Lid Cover 40x40mm for Silver&Black

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/pcs color:Silver&black Inner Diameter: 30mm Outer Diameter: 40mm Inner Height: 35mm Outer Height: 40mm Package Contents: 6 x Graphite Melting Crucible With Lid Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.