... number:W1,W2 3.Purity:99.95% Tungsten bars/rods1.Standard:GB 4187-842.Model ... Φ100-2006003.Application:Tungsten rod/bar can be widely used in illumination, heater and the electronic ... mechanical engineering, etc.Tungsten rod can be used in ... lattice side rod, framework, leading wire, electrode, heater and contact materials and so on.4.Packing: ...