W1 tungsten sheet 1 Purity :>=99.95% 2 Materials:tungsten 3 Surface treatment: acid ... turning machineSurface quality/ roughness and density6Package Quality Test Report Tungsten Podwer → Isostatic Pressing → Plate Slab →Sinering → ... Series B: Tungsten Series, contain tungsten rod, tungsten wire, tungsten bar, tungsten plate, tungsten sheet,tungsten screw/nut/bolt, tumgsten box,tungsten special-shape ...