1,W:99.95% min 2,Density: 19.0-19.3 g/cc 3,Thickness: 2.0-25mm 4,Hardness: 50-60 HRC 5,Surface:Electropolishing W1 tungsten sheet/plate1,Characteristic: high density, high modulus of elasticity and strength, high hardness and rigidity, excellent electrical and thermal conductivities,low thermal expansion coefficients, high absorption to X-ray and g-ray, better welding and machining ability. 2, ...