Features Specifications: Molybdenum Rod Molybdenum Rod Grade: Pure Molybdenum and TZM Molybdenum alloy. Size: (2.0-100mm) diameter x L ( max.length: 3000mm) Surface: Sintering surface, Forged surface, Ground surface Condition: Vacuum Annealed and un-annealed Application: Glass melting electrodes, Hook of the lamp, core of the lamp filament, Grid for the vacuum tube, leader, supporter of the lamp. heater for the high temperature furnace.electrode,makingstrip,tools for electric vacuum instruments and other tools of the lamp.