Molybdenum rod Appearance : Divided forging molybdenum rod and polished molybdenum rod ; forging molybdenum rod surface is allowed to have oxidize film and slight forging hammer mark ; polished molybdenum rod surface presents metallic luster and has no oxidized phenomenon notably ; The two surfaces have no defects , such as divided layer , crackle , burr and vertical crackle , etc. Purity : Mo≥ 99.93% Dimension : 16 >φ> 0.8?L (mm ). The diameter and length deviation are consulted by both parties according to GB4188-84 standard or user抯 demand . Main applications： Used for making electric vacuum device and electric light source parts.