... and shapes boat,electrode,crucibles, funnels, barrel,special shape. Tungsten bars/rodsDimension: Φ(2.0-100)*L(mm)Main applications: Used ... and electric Vacuum parts, et 1. Tungsten bars Grade: W-1 W-42. Tungsten bars Appearance: Silver gray metallic luster.3. Density ... with GB3459-82 standard. -and Molybdenum bars/rods1. Appearance: Silver gray metallic luster2. Moly bars Density is not less than 9. ...