For the quartz glass production in addition to quartz melting crucibles, mesh- and rod heaters mandrels and mandrel shafts in molybdenum, tungsten or WL are necessary in order to achieve or regulate the desired dimensions. Mandrels from PLANSEE distinguish themselves by their high density and by their precise processing. Mandrel shafts show excellent capacity of wear resistance and high thermal stability.

Forms of delivery:

• Mandrels and mandrel shafts in smooth forged or extruded and machined design according to customers' design