... price Crucibles We can manufacture kinds of crucibles,such as quartz crucibles, graphite crucibles, alumina crucibles, magnesia crucibles, zirconia ... fused silica, which is nothing else than high purity quartz sand, melted at a temperature over 2000°C.Fused silica ... which ensures long lasting resistance to dental alloys corrosion.Our quartz crucible has the following nice characteristics: *high purity, ...