... .99%PureTungsten products:tungsten powder,slab,bars,rolling plate,sheet,rods(electrode), wire, crucible,boat, ring, funnel,etc Size: Φ(2 ... , no defects (crackle, heavy skin, hole, trough, etc) ;Electrode rods: Bright silver gray metallic luster. (process according to user's ... )Main applications: Used in electric boosting glass kiln electrode and electric vaccum parts, etc >99.99%Tungsten welding rods