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Tungsten, or wolfram, is a chemical element with the symbol W and atomic number 74.
T 2509 (OTTO) Tungsten, chips, 99.99% Cas 7440-33-7 - used as industrial catalysts. T 2509 (OTTO) Tungsten, chips, 99.99% Cas 7440-33-7 - used in cannon shells, grenades and missiles, to create supersonic shrapnel.