... : W >99.95% Density: 19.25g /cm3 tungsten twisted wire, wolfram twisted wire, w twisted wiretungsten twisted filament, wolfram twisted filament, w ... surface.After removing graphite, it has metallic luster.tungsten twisted wire is used in vacuum evaporation .We can provide 1-8 ... strand, V shaped, Double V shaped, coiled and special shaped tungsten twisted wireChemical Composition: WAl , W.