... 19.3g/cm3 4.Technology:rotary swaging,polished W-1 tungsten bar and rod 1.Appearance: Rolling rods: Dark brown, the ... Used in electric boosting glass kiln electrode and electric Vacuum parts, etc. Tungsten contentTypeDiameter(mm)Dia.tolerance(mm)Length(mm)L ... 0.5%ApplicationBe used for drawing tungsten wires, electrodes, heaters in high temperature vacuum furnace and so on. Chemical Composition: ...