Crucible for Centrifugal Casting - NEY - 255grams.

Fused silica crucible.

Metals may be torch melted in this crucible as it sustain high temperatures up to 1370°C/2500°F.(255grams)

Using Ceramic Crucibles

-----------------------

To provide minimum oxidation in the casting of gold alloys, it is recommended that a thin film of borax be melted into the discharge path of an orifice prior to making the first melt in the crucible.